Home

Fisher Scientific accumet XL Series User Manual

1. 142 Auto Read ON and Auto Read OFF 142 About BOD Measurement 143 BOD Calculation Parameters 144 Measurement of BOD of Sample 145 Initial DO measurement for Sample BOD 146 Measurement of BOD of Seed 147 Initial DO measurement for Seed 147 Final DO Measurement for Sample BOD Calculation o dk 148 Final DO Measurement for Seed BOD Calculation 149 Editing Select View Screen 150 OUR 151 SOUR 152 DO Graphing 153 Warranty Pr m 160 2 oo pa prada rores 160 Appendix Setting the XL Series Meters User Profiles 161 163 XL Series Meters Factory Default Settings 164 166 XL Series Meters Print Function 2 167 168 Background and Color Adjustment 169 170 THEORY 180 Replacement
2. 98 View Stored 98 accumet excel TDS Total Dissolved Solids Setup TDS Setup Screen and Function Buttons 99 Access TDS rura 100 Set 101 Set Calibration Points 101 Select Stable 101 Select Auto Read Mode 101 Select Cell Constant 102 SEL TOS OD 102 Set Default Temperature 102 Set Reference Temperature 102 Set Temperature Coefficient 103 Set Alarm 22 103 Set Print Crile T 103 Set Data Storage 104 Set Display Criteria 2 2 104 View Stored 2 2 02 22 022 104 Salinity Setup Salinity Setup Screen and Function Buttons 105 Access Salinity Setup 106 Sel Sample tote 107 Set Calibration Points 107 Select Stable Ind
3. 89 Set Display Criteria 90 View Stored 91 92 Resistivity Setup Resistivity Setup Screen and Function Buttons 93 Access Resistivity 94 Set Sample 42 95 Set Calibration Points 95 Select Stable 95 Select Auto Read Mode 95 Select Cell Constant 96 Set Default 96 Set Reference Temperature 96 Set Temperature Coefficient 96 eara Dd ed E 97 Set Print 97 Set Data Storage 98 Set Display Criteria oec devises eecinccapadicviseatiectersanes 98 View Stored 98 TDS Total Dissolved Solids Setup TDS Setup Screen and Function Buttons 99 Access TDS Setup 100 daas 101 Set Calibration
4. Conductivity BNC input connector ell Channel 5 Channel 2 card reader Reference pin jack Channel 2 232 Automatic Temp rature Compensation ATC Ghannai 21 XL50 rear connector panel 7 accumet excel gt Getting Started XL Series Meters Connectors XL60 meter stylus ancuFET pH nimia 3 Power Use USBA Bulonamc Tampsratore Compansalian CT C ec hane 1 pin Channel BHE connector Channel 1 POWER RJ 45 UsB B Tal IT Dc TOA CO Prose BH connector Caii lichannal 4 Channel 2 Reigan pin ack Channel 21 e Temparature Cempersaien ATG 21 XL60 rear connector panel 2 Connect the electrode arm to the base Electrode base can be attached to either side of meter Purchase additional arm with base 13 637 671 to use both sides 8 accumet excel gt Important It is recommended to follow the following start up and shut down procedures to avoid crashes lock ups or data loss Start and shut down procedures are also illustrated on the slip attached with the adaptor cable Start up procedure 1 Connect the 9V DC power jack of the adaptor to the rear connector panel of the XL meter Connect
5. 160 Setting the XL Series Meters User Profiles 161 163 XL Series Meters Factory Default Settings 164 166 XL Series Meters PHAUPUNCUON c 167 168 Background and color adjustment 169 170 Determining Isopotential Points Experimentally 171 172 175 ISE NEON 176 179 E EEEN EA 180 Replatinization 181 Conductivity 182 184 Replacement 185 187 accumet excel Thank you for selecting a Fisher Scientific accumet meter You have one of these XL series models XL15 pH mV Temp meter 9 XL40 DO BOD OUR SOUR meter XL20 pH mV Temp Conductivity meter 9 XL50 pH mV Temp lon Conductivity meter XL25 pH mV Temp lon meter 9 XL60 pH mV Temp DO lon Conductivity meter 9 XL30 Conductivity Resistivity TDS Salinity Temp meter This manual describes the operation of the accumet XL series meters For the model of your purchase simply use the model s Table of Content to guide you to your meter s operating instructions The state of the art meter that you have purchased runs on a Windows CE platform and has a similar framework of a pocket PC or Palm Pilot It is easy to operate and will guide
6. i 2 p gt Touch Standardize icon to access standardization mode dei SamplelD Temp 25 5 C ATC User ID Salinity O 0 ppt Auto Read Barometer 760 0 mmHg Std Mode Once meter is calibrated DO Measure screen shows the standard the time date of last standardization and AUTO standard recognition It is important to prepare your DO probe according to the manufacturer s instructions prior to use 137 accumet excel DO Operation Standardizing XL40 and 60 meters Automatic standardization at two points Saturation For this standardization the 0 saturation must be the first point followed by 100 saturation The meter will accept readings below 5 saturation for 0 saturation standardization and between 30 and 200 saturation for 100 saturation at 760 mm Hg 1 Touch Standardize on the DO measure screen to access the standardize screen If the screen says Not standardized proceed to step 4 Touch Clear if you need to delete the previous standardization values Insert DO probe into a bottle containing 0 saturation solution Allow probe to stabilize for 30 minutes constantly stirring the solution The screen will flash a 0 beaker icon When the reading is stable STABLE appears on the screen Touch Confirm to standardize The meter will then return to the DO measure screen 7 Touch Standardize on t
7. 47 View Stored 48 49 lon Setup lon Setup Screen and Function Buttons 50 Access lon 51 Set Sample 52 lon Method auae ooh scene de 53 Select Electrode 54 Select Measurement 54 Select Auto Read 55 Select lon Stability 2 55 Set Default 56 Set Temperature Compensation 57 Set Isopotential 57 Set Alarm 57 Set Print Criteria m 58 Set Data Storage 59 Set Display Criteria 60 View Stored 61 62 DO Setup DO Setup Screen and Function Buttons 63 ACCESS DO Setup 64 Set Sample 65 Select Measurement Units 66 Select Calibration Mode 66 Select Stable Indicator
8. 54 Select Measurement 5 54 Select Auto Read 55 Select lon Stability 55 Set Default 56 Set Temperature Compensation 57 Set Isopotential 57 Set Alarm DIETS iR eu ob Dn 57 Set Print 58 Set Data Storage 59 Set Display Criteria 60 View Stored 61 62 vii Conductivity Setup Conductivity Setup Screen And Function Buttons nri rns 81 Access Conductivity 82 Set Sample 2 83 Conductivity 84 Select Standard 84 Select Stable 85 Select Auto Read Mode 85 Select Cell Constant 2222 2 85 Set Default Temperature
9. 16 Using the een 17 Styl s Calibration T 17 Setting Time and Date 18 On Screen Keyboard 19 Expansion Cards 20 Connecting To the 21 Button ninsi 22 25 Channel 2 222 26 27 Display 28 Conductivity Setup Conductivity Setup Screen And Function 2 2 222 81 Access Conductivity Setup 82 Set Sample 2 83 Conductivity 84 Select Standard Recognition 84 Select Stable 85 Select Auto Read Mode 85 Select Cell Constant 1 85 Set Default 86 Set Reference Temperature 86 Set Temperature Coefficient 87 Set Alarm LIMIS PK 87 Set Print 22222222222 88 Set Data Storage
10. 85 Select Cell 85 Set Default Temperature 86 Set Reference 86 Set Temperature Coefficient 87 Set Alarm Limits 87 Set Print Criteria 88 Set Data Storage Criteria 89 Set Display Criteria 90 View Stored 91 92 Resistivity Setup Resistivity Setup Screen and Function Buttons 93 Access Resistivity Setup 94 Set Sample DF M 95 Set Calibration 5 2 95 Select Stable 95 Select Auto Read Mode 95 Select Cell Constant 2 96 Set Default Temperature 96 Set Reference Temperature 96 Set Temperature Coefficient 96 Set Alarm Limits 2 97 Set Print Criteria 97 Set Data Storage Criteria 98 Set Display
11. 114 pH Measurement with Auto Read On And E 115 Graphing Function 116 mV Operation About mv Measurement 117 Absolute mv 118 Relative mv Standardization and Measurement 118 Graphing FUNCTION rr nnum 119 rarus E 160 Compliance 160 Appendix Setting the XL Series Meters User Profiles 161 163 XL Series Meters Factory Default Settings 164 166 XL Series Meters Print FUNGUOR eeepc he bn n 167 168 Background and Color Adjustment 169 170 Determining Isopotential Points Experimentally 171 PR ea 172 175 Replacement 185 187 excel gt XL 20 Meter Table of Contents GO eiecti puc 1 Unpacking the 2 XL Series Meters Specifications 3 4 Getting Started XL Series Meters Connectors 5 8 Start up and Shut down procedures 9 pH and lon 11 12 Conductivity Cells e ERE RR to
12. 33 Set Ph Stability Criteria 34 Set Default 34 Set Isopotential Point 35 Set Alarm 35 Set Print Criteria P P 36 Set Data Storage 37 Set Display Criteria 38 View Stored 39 40 mV Setup mv Setup Screen And Function Buttons 41 Access mv Setup cca estes dio temenaidundtncuduehinal eS Une 42 Set Sample LDF iccincuwerionscetinnsnscansauetiovatietinscincawnnnvensvencues 43 Set Alarm tin 44 Set Print Criteria Setup 45 Set Data Storage 46 Set Display Criteria 47 View Stored 48 49 68X374204 Rev 5 Jan 08 pH Operation About pH 111 Standardizing with Auto Buffer Recognition 112 Standardizing with Manual Buffer 113 Temperature Standardization
13. is 58 Set Data Storage 2 59 Set Display Criteria 60 View Stored 61 62 pH Operation About pH 110 Standardizing with Auto Buffer Recognition 112 Standardizing with Manual Buffer 113 Temperature Standardization 114 pH Measurement with Auto Read Tie E 115 Graphing Function 44 116 mV Operation About mv Measurement 117 Absolute mv 118 Relative mv Standardization and Measurement 118 Graphing Function 119 lon Operation About lon MEASUREMENT 120 DIRECT READING METHODS 121 124 Standardization Direct Reading with 121 Measurement Direct Reading with 122 Standardization Direct Reading with Blank 123 Measurement Direct Reading with Blank 124 INCREMENTAL METHODS 125 133 St
14. 37 Set Display Criteria 38 View Stored 39 40 mV Setup mv Setup Screen And Function Buttons 41 Access mv 42 Set Sample d 43 Set Alarm 44 Set Print Criteria Setup 45 Set Data Storage 46 Set Display Criteria cioe nord eroe 47 View Stored 48 49 Conductivity Setup Conductivity Setup Screen And Function BUTONS 81 Access Conductivity Setup 82 Set Sample 83 Conductivity 84 Select Standard Recognition 84 Select Stable 85 Select Auto Read Mode 85 Select Cell Constant 85 Set Default 86 Set Reference Temperature 86 Set Temperature Coefficient
15. Last Standardization 26 Apr 2005 7 09 54 PM Buffer Group AUTO 7 Touch Confirm to Standardize the buffer gt Touch Clear to clear the previous Standardization 7 Touch Cancel to return to the Measurement gt Touch Temp Std for Temperature Standardization Sample ID 1000 User ID Default Std Recogn AUTO Cell K 1 000 cm Cel Type 2 Cell Std Factor N A Temp 25 0 C Default Ref Temp 25 0 Std Points Multi Point Coefficient 2 100 Range 2 e Conductivity standardization with Auto standard recognition available in Conductivity Mode only Conductivity in mS cm 1 413 STABLE Channel 5 Last Standardization 26 Apr 2005 7 07 38 PM Standard Recognition AUTO SPC Sample ID 1000 User ID Default Auto Read OFF Std Recogn AUTO Cell K Cell Type 2 Cell 1 000 cm Temp Ref Temp 25 0 C Std Point Single Point Coeff 2 100 Range 12 Std Factor 0 9930 25 0 C Default Once meter is calibrated the conductivity Measure screen shows the standards and the time date of last standardization 155 accumet excel gt Conductivity Operation Standardizing XL20 30 50 and 60 meters To standardize the meter with Manual Standard Recognition available in all modes 1 If the screen says Not standardized proceed to step 4 Touch
16. 101 Select Stable 101 Select Auto Read Mode 101 Select Cell Constant 102 Set PDGF ACION lt aru Ero 102 Set Default Temperature 102 Set Reference Temperature 102 Set Temperature Coefficient 103 Set Alarm 0 103 Set Print e 103 Set Data Storage Criteria 104 Set Display 104 View Stored 021 104 Salinity Setup Salinity Setup Screen and Function Buttons 105 Access Salinity 106 Ser Sample DF 107 Set Calibration 107 Select Stable 107 Select Auto Read Mode 107 Select Cell Constant 108 Set Default Temperature 108 Set Reference Temperature 108 Set Temperatu
17. 13 299 78 BOD Accessories BOD bottles with robotic stoppers unnumbered 300 mL case of 24 02 926 26 BOD bottles with pennyhead stoppers unnumbered 300 mL case of 24 02 926 7A Polyseed BOD capsules pack 50 02 297 200 Polyseed NX BOD capsules pack 50 02 297 201 To place an order call 1 800 766 7000 fax 1 800 926 1166 or online www fishersci com 186 accumet excel gt Conductivity Accessories Description Fisher Catalog Number Conductivity probe storage solution Keeps probes ideally conditioned IG POAC TOP USO 09 330 1 accumet Immersion Type Conductivity Electrodes Cell 2 Cell Conductivity Cell 4 Cell Conductivity Cell constant Body Epoxy Body Glass Body Epoxy Body 10 13 620 100 13 620 163 13 620 165 10 0 13 620 102 13 620 164 13 620 166 accumet Conductivity Calibration Standards Conductivity Resistivity Dissolved Solids 16 oz bottle 100mL x6 bottles 10 umhos 0 1 megohms 6 6 ppm 09 328 1 09 328 6 100 umhos 0 01 megohms 66 ppm 09 328 2 09 328 7 1000 umhos 0 001 megohms 660 ppm 09 328 3 09 328 8 1413 umhos 0 0007 megohms 933 ppm 09 328 11 09 328 12 10 000 umhos 0 0001 megohms 6600 ppm 09 328 4 09 328 9 100 000 umhos 0 00001 megohms 66 000 ppm 09 328 5 09 328 10 For a complete selection of electrodes a
18. 67 Select Auto Read 67 Select Temperature 68 Set Barometer oosc irren donde cendceendnseswndadecnestex 68 elder pi 69 Set AA 69 Set Print 70 Set Data Storage Criteria 71 Set Display Criteria Setup 72 View Stored 13 74 BOD Setup BOD Setup Screen and Function Buttons 75 BOD Conlfiguraltioh 76 OUR Setup OUR Setup Screen and Function Buttons 77 OUR Configuration 78 SOUR Setup SOUR Setup Screen And Function Buttons 79 SOUR 2 80 Conductivity Setup Conductivity Setup Screen And Function Buttons 81 Access Conductivity 82 Set Sample 108 83 Conductivity 5 84 Select Standard 84 Select Stable 85 Select Auto Read Mode
19. 185 187 accumet excel gt 01 to rr ima Pe Ee IER Eee ace beans 1 Unpacking the 2 XL Series Meters Specifications 3 4 Getting Started XL Series Meters Connectors 5 8 Start up and Shut down procedures 9 pH and lon 11 12 Conductivity e 13 Using the XL Series Meter Touch Screen 15 16 Screen Contrast 16 Using the 1 20 17 Sius E da xol uid cR E Ka dua 17 Setting Time and 18 On Screen Keyboard 19 Expansion 20 Connecting To the Internet 21 Button FUNCUONS RT 22 25 Channel 25 27 Display 28 pH Setup pH Setup Screen And Function Buttons 29 Access pH Setup dad 30 Set Sample 1 0 31 Select
20. 1 Displav Resolution Temperature Units 1l Stability Criteria FAST Alarm Limits OFF Alarm Low Alarm Limit High 600 00 _e __ Measurement Units sa Auto Read Mode MANUAL EN Measurement Units mg L BI o BOD Es DO BOD OUR SOUR SETUP MODE Seed Min Delta DO J 21 Seed Min DO Endpoint Sample Min Delta DO es EN EN ESN Sample Min DO Eo o Measurement Units mg L EX Dilution Factor 1 to X o4 5 V Je Maximum Time min 1 for OUR 15 for SOUR Minimum Startina DO gt Minimum Ending DO d o Solids Weight g L SOUR only e T 165 accumet excel gt Appendix XL Series Meters Factory Default Settings XL15 20 25 30 40 50 and 60 meters Screen Default Setting XL15 XL20 XL25 XL30 XL40 XL50 XL60 Display Confiquration lav Configuration Allparameters ON 2 21 __ NEN A Print Confiquration All parameters ON __ __9 Data Configuration All parameters ON NEN e samelD e 1 e 8 Ca
21. NOTE The stored data is displayed in the Available Sample ID text box in tree view selecting the sign for a particular Bottle ID all the stored parameters for that particular Bottle ID will display in the Available Sample ID text box Select the sign to close the tree view of the sample Available Sample ID i SAMPLE H Description Sample 1 k Initial D O 7 57 Sample volume 15 00 r Bottle Volume 300 00 Date Start 13 Sep 2004 9 00 20 PM Final Result Not Available 147 accumet excel gt Final DO measurement for Sample BOD calculation 1 To take the final reading for BOD measurement access the Select Existing ID scroll box and select the Bottle ID that you are going to take final DO reading for the BOD calculation 2 The initial reading and the BOD calculation parameters for that particular sample Bottle ID display in the Available sample ID text box 3 Touch the Calculate Final BOD button to accept the current DO reading as a final reading for BOD calculation Calculate Final BOD If the following parameters match BOD result will be shown in the screen 1 At least one day has passed after taking the initial reading that is stored in the memory for that particular bottle ID If not user will be prompted with message box for taking this reading as repetitive initial reading AND 2 The final DO reading and DO loss Difference between the Initial DO read
22. e Last Standardization Not Standardized Lus Buffer Group MANUAL Hi Last Standardization 26 Apr 2005 7 20 52 Temp Std Standard Recognition MAN MPC 7 Touch Confirm to Standardize the buffer gt Touch Clear to clear the previous Standardization gt Touch Cancel to return to the Measurement gt Touch Temp Std for Temperature Standardization Sample ID 10 Temp 25 0 C Default Sample ID 10 Temp 25 0 C Default User ID Default Ref Temp 25 0 C User ID Default Ref Temp 25 0 C Std Recogn MANUAL Std Points Single Point Auto Read OFF Std Point Multi Point Cell K 1 000 jcm Coefficient 2 100 Std Recogn MANUAL Coeff 2 100 Logoff Cel 4 Cell Range 1 Cell K 1 000 cm Range 2 Std Factor N A O Cell Type 4 Cell Std Factor 0 9890 O Help Help Conductivity standardization with Manual standard recognition Once meter is calibrated the conductivity Measure screen shows the standards and the time date of last standardization 156 accumet excel gt Conductivity Operation Temperature Standardization XL20 30 50 and 60 meters To Standardize Temperature of the Meter 1 Touch Standardize on the conductivity measure screen to access the standardized screen 2 Make sure conductivity cell with built ATC is attached to meter 3 Immerse your conductivity cell
23. tee TE ee 1 Unpacking the 2 XL Series Meters Specifications 3 4 Getting Started XL Series Meters Connectors 5 8 Start up and Shut down procedures 10 Dissolved Oxygen Probe 14 Using the XL Series Meter Touch Screen 15 16 Screen Contrast 16 Using the een 17 Styl s Calibration T 17 Setting Time and Date 18 On Screen Keyboard 19 Expansion Cards 20 Connecting To the Internet 21 Button FUNCHONS ioris ec 22 25 Channel 111 26 27 ERE 28 DO Setup DO Setup Screen and Function Buttons 63 Access DO 64 Set Sample NDF eR cr PR Pre 65 Select Measurement 5 2 1 66 Select Calibration 66 Select Stable Indicator 67 Sele
24. aos s 108 Set Default Temperature 108 Set Reference Temperature 108 Set Temperature Coefficient 108 Set Alarm Limits 2 22 109 Ser Print Ori Ha 109 Set Data Storage Criteria 110 Set Display 110 View Stored Data air ini e ener a Xe vc 110 accumet excel gt XL 20 Meter Table of Contents pH Operation About pH 110 Standardizing with Auto Buffer 112 Standardizing with Manual Buffer Recognition 113 Temperature Standardization 114 pH Measurement with Auto Read On And Off Cem 115 Graphing Function 2 116 mV Operation About mv 117 Absolute mv 118 Relative mv Standardization and Measurement 118 Graphing FUNCUON 119 Conductivity Operation About Conductivity Measurement 154 Standardizing 2 155 156 With Auto Buffer 155 With Manual Buffer R
25. calibration screen with Manual Once meter is calibrated pH Measure screen Buffer Recognition shows standardized buffers and last standardization time date 113 accumet excel pH Operation Temperature Standardization XL15 20 25 50 and 60 meters To Standardize Temperature of the Meter 1 Touch Standardize on the pH measure screen to access the standardized screen 2 Immerse your ATC probe into a solution of known temperature such as a temperature bath for a few minutes while temperature stabilizes 3 Make sure ATC probe is attached to meter Touch Temp Std to access temperature standardization 5 The Temperature Standardization screen appears Check the current temperature displayed with that of the solution of known temperature Touch the Standardization Temperature box and use numeric keypad to enter the current temperature Press Enter to confirm value 6 Touch OK to confirm Standardization Temperature and return to the pH Measure screen Touch Reset to reset and enter a new standardization temperature Touch Cancel to cancel temperature standardization and return to the pH Standardization screen I Note The meter will not allow entered value to exceed 5 of the ATC probe value If entered value exceeds 5 an error window will appear and you will have to re enter value or cancel out of the temperature screen This might indicate that you have a problem with the ATC probe Temperature Stan
26. 87 Set Alarm 212201 87 Se Frnt CIEN qub 88 Set Data Storage 89 Set Display Criteria 90 View Stored 91 92 Resistivity Setup Resistivity Setup Screen and Function Buttons 93 Access Resistivity Setup 94 Ser oample D3 aecoi proint Cosimo 95 Set Calibration 95 Select Stable 95 Select Auto Read Mode 95 Select Cell Constant 96 Set Default Temperature 96 Set Reference Temperature 96 Set Temperature 96 Set Alarm Limits 02221 97 Sel Prnt Cl 6 Ha asseris 97 Set Data Storage Criteria 98 Set Display 98 View Stored 98 TDS Total Dissolved Solids Setup TDS Setup Screen and Funct
27. 2 Tap the root directory of My Device and select the Storage Card folder SDIO to see list of files and folders 20 accumet excel gt Connecting the Internet The XL series meter allows you to connect internet through the RJ 45 port located at the back panel of the XL series 1 Connect Internet cable to RJ 45 port on the back of the XL Series meter 2 Power on the XL Series meter 3 To access and view websites on XL series meter follow the steps mentioned below Entering an Internet Address With Pocket Internet Explorer and a connection to the Internet you can view Web sites on your XL series meter by typing an address or Universal Resource Locator URL in the Address bar Web sites that use HTML 4 0 DHTML animated GIF images and Java applets may not work correctly in Pocket Internet Explorer without additional software To enter an Internet address URL on your XL series meter 1 From the Start menu tap Programs gt Internet Explorer gt Address Bar If the Address Bar is not visible tap the View tab gt Address Bar to turn it on You may also double tap the Internet Explorer icon on the Home screen to launch Internet Explorer 2 Enter the Internet address URL in the Address bar using the on screen keyboard 3 Tap the Go icon Caution The internet cable should be connected to the RJ 45 port before the XL meter is switched on to avail the internet connection If user tries to connect cabl
28. Example XL60 Display Setup screen 28 accumet excel gt pH Setup pH Setup Screen XL15 20 25 50 and 60 meters Available only in XL15 XL20 XL25 XL 50 and XL60 meters the pH Setup screen presents many options to control the pH operating parameters of the meter The meter is factory set with regard to these options and is ready for use under most circumstances see Appendix XL Series Meters Factory Default Settings section for default settings The pH Setup section will guide you through the various options available in the pH setup mode pH Ch1 Setup pH Ch2 Setup DO Setup Cond Setup Sample ID MANUAL SEQUENCE NONE 1 Buffer Group EURO NIST CUSTOM Buffer Recognition AUTO MANUAL Auto Read Mode AUTO MANUAL pH Stability Criteria FAST MEDIUM SLOW Default Temperature 25 0 F K Isopotential Point D mv ON Low 20 pH High 2000 Print Criteria Touch here to edit Data Storage Criteria Touch here to edit Display Criteria Touch here to edit Alarm Limits Example XL60 pH Setup screen Function Buttons on pH Setup Screen Touch OK to confirm pH Setup and return to the pH Measure screen Touch Cancel to exit and return to the pH Measure screen without confirming pH Setup Touch View to view all pH data points stored in memory See pH Setup View Stored Data section for details When you touch the Help button information about the current screen appears This information incl
29. V Known Subtraction C std V std V V Veta 10 where C is the concentration of the sample C is the concentration of the standard V is the sample volume Veta is the standard volume AE is the difference in millivolt readings from the electrode and S is the slope of the electrode determined in a previous standardization Whereas the direct method is suitable for samples with fairly uncomplicated ionic matrices the addition methods are advantageous with samples that have complex matrices samples in which no ISA is added samples in which excess complexing species are present and samples whose concentration is in the non linear region on the electrode response curve 178 accumet excel gt Appendix ISE Theory XL25 50 and 60 meters Analyte Addition and Analyte Subtraction In the Analyte methods the initial millivolt reading is taken with the electrode immersed in the standard then an aliquot of sample is added and the final millivolt reading is taken Sample concentration is calculated from the change in the millivolt readings Analyte Addition C Cas ror ve Cstd Vs Analyte Subtraction Cs Cata V7 Vs Vstd 104E S Vs Vs As with known addition with analyte addition the sample and the standard solution contain the same ion being measured With analyte subtraction the ion being measured is in the standard solution and not in the sample solution For example a fluoride
30. 1 Touch YES to choose Apply Temperature Compensation Apply Temperature Tes Ho Compensation Set Isopotential Point The isopotential point is the millivolt reading for an electrode at which temperature has no effect on the measurement lon Selective Electrodes unlike pH electrodes are not designed to achieve any particular isopotential point If samples and standards are at different temperatures when performing ISE experiments it will be necessary to experimentally determine the isopotential point of your own lon Specific Electrode To set Isopotential Point 1 Touch the Isopotential Point box and use the numeric keypad to enter the desired mV setting for the new isopotential point 2 Touch Enter to accept this value and return to lon Setup screen Set Alarm Limits This option allows you to set alarm limits for the ion measuring mode If the ion concentration value of the measurement is outside of the boundaries set by the minimum and maximum limits a visual warning will appear to let you know that your sample measurement was outside of the set limits The validity range of alarm limits is 0 000001 to 99 900 000 000 To set Alarm Limits 1 Touch ON or OFF to set the status of the alarm 2 Touch the Low box and use keypad to enter the new limit values 3 Touch Enter on the keypad to accept this limit and return to the lon Setup screen 4 Touch the High box and use keypad to enter the new limit values 5 Touch Ent
31. 13 Using the XL Series Meter Touch Screen 15 16 Screen Contrast 16 Using The Stylus 17 Stylus Calibration 17 Setting Time And 18 On Screen Keyboard 19 Expansion CardS 20 Connecting The 21 Button FUN CHONS 22 25 Channel 26 27 Display 28 pH Setup pH Setup Screen And Function Buttons 29 Access pH gt uisi qe petat beta a 30 Set Sample 222 31 Select Buffer Group 32 Select Buffer Recognition 33 Select Auto Read Mode 33 Set Ph Stability Criteria 34 Set Default 34 Set Isopotential Point 35 Set Alarm 1 022221 35 Set Print Criteria eem 36 Set Data Storage
32. 86 Set Reference Temperature 86 Set Temperature Coefficient 87 Set Alarm 87 Set Print Criteria 88 Set Data Storage Criteria 89 oet Display Criteria 90 View Stored 91 92 Resistivity Setup Resistivity Setup Screen and Function Buttons 93 Access Resistivity Setup 94 Set Sample 2 24 4 4 22 22 2 95 Set Calibration 2 95 Select Stable Indicator 95 Select Auto Read Mode 95 Select Cell Constant 96 Set Default Temperature 96 Set Reference 96 Set Temperature Coefficient 96 Set Alarm Limits 97 Set Print 97 Set Data Storage Criteria 98 Set Display 98 View Stored 98 TDS Total Dissolved Solids Setup TDS Setup Screen and Fun
33. change per degree centigrade This temperature coefficient change per degree depends on the composition of the solution being measured However for most medium range salt concentrations in water 2 per degree works well Extremely pure water exhibits a temperature coefficient of 5 2 and concentrated salt solutions about 1 5 Since temperature effects the conductivity measurement so profoundly the usual practice is to reference the conductivity to some standard temperature This is typically 25 C but the XL20 XL30 XL50 and XL60 meters lets the operator select any value between of 15 C and 30 C in the Setup menu option set Reference Temperature The XL20 XL30 XL50 and XL60 meters permits you to enter the temperature coefficient which best suits your sample and use an ATC probe to automatically temperature compensate back to the chosen reference temperature Refer to the Setup menu option set Temperature Coefficient 184 accumet excel gt Replacement Parts Description Fisher Catalog Number accuCap refillable electrode double junction glass 13 620 130 Replacement filling solution for 13 620 130 electrode 13 636 430 accumet pH combination electrode single junction Ag AgCl reference glass body BNC vedo MONROE EHE 13 620 285 PANES PEO 13
34. 142 Auto Read ON and Auto Read OFF 142 About BOD Measurement 143 BOD Calculation Parameters 144 Measurement of BOD of Sample 145 Initial DO measurement for Sample BOD 4000 146 Measurement of BOD of Seed 147 Initial DO measurement for Seed BOD GCalculalOrz ses exito tubo ho tns obedientes ead 147 Final DO Measurement for Sample BOD GaleulallOlu sin Ea rE EREE 148 Final DO Measurement for Seed BOD Calculation 149 Editing Select View Screen 150 OUR 151 SOUR 152 DO Graphing 153 Conductivity Operation About Conductivity Measurement 154 Standardizing NER 155 156 With Auto Buffer Recognition 155 With Manual Buffer Recognition 156 Temperature Standardization 157 Conductivity 158 Graphing FUNCION 159 160 Compliance
35. About lon 120 DIRECT READING METHODS 121 124 Standardization Direct Reading with 121 Measurement Direct Reading with StandardS e 122 Standardization Direct Reading with Blank 123 Measurement Direct Reading with Blank Offsel ertet tro an ota pai ne Ro ants 124 INCREMENTAL METHODS 125 133 Standardization All Incremental Methods 125 Measurement Known Addition Method 126 127 Measurement Known Subtraction Method 128 129 Measurement Analate Addition Method 130 131 Measurement Analate Subtraction Method 132 133 Graphing FUNGON 134 DO Operation STANDARDIZING 2 4 4 4 20002 2 135 141 About DO Standardizing 135 136 Automatic at One Point Saturation 137 Automatic at Two Points Saturation 138 Automatic at One 139 Manual at One Point saturation and mg L 140 Temperature Standardization 141 142 152 About DO
36. FET mode button allows you to switch to the various pH FET operations of the meter available in Ch 3 of the XL15 XL20 XL25 XL50 and XL60 meters only The DO mode button allows you to switch to the various dissolved oxygen operations of the meter available in Channel 4 of the XL 40 and XL60 meters only The BOD button allows you to enter the BOD Parameter Calculations Screen in the BOD measurement screen available in Channel 4 of the XL 40 and XL60 meters only The OUR button allows you to Start and Stop the OUR measurement in the OUR measurement screen available in Channel 4 of the XL 40 and XL60 meters only The SOUR button allows you to Start and Stop the SOUR measurement in the SOUR measurement screen available in Channel 4 of the XL 40 and XL60 meters only The Conductivity mode button allows you to switch to the various conductivity operations of the meter available in Channel 5 of the XL 20 XL30 XL50 and XL60 meters only The Resistivity mode button allows you to switch to the various resistivity operations of the meter available in Channel 5 of the XL 20 XL30 XL50 and XL60 meters only The TDS mode button allows you to switch to the various TDS operations of the meter available in Channel 5 of the XL 20 XL30 XL50 and XL60 meters only The Salinity mode button allows you to switch to the various salinity operations of the meter available in Channel 5 of the XL 20 XL30 XL50 and XL60 meters only 24 ac
37. For Data logging Interval Data storage Interval touch MANUAL to log conductivity data only when the Log Data button is pushed touch STABLE to automatically log conductivity data when conductivity reading is stable or touch TIMED to set a specific timed interval in seconds to log conductivity data Touch OK button to accept the changes of the entire group of data storage criteria and return to the conductivity Setup screen Data Storage Criteria Touch here to edit Conductivity Data Storage Criteria Setup Date Time Channel OFF Sample ID OFF Cell Constant OFF Temperature OFF Reference Temperature OFF Temperature Coefficient OFF Last Standardizatian OFF Meter Model Serial Na OFF Operator OFF Data logging Interval MANUAL STABLE 89 accumet excel gt Conductivity Setup Set Display Criteria XL20 30 50 and 60 meters This screen allows you to choose what information you would like to be displayed on the conductivity Measure screen particularly the information contained in the data box at the bottom of the Measurement screen The status of the current display criteria is displayed on the screen The criteria option is active if ON appears to the right of the option It is inactive if OFF appears to the right of the option To set Display Criteria 1 Touch the Touch here to edit button next to the Display Criteria to access the Conductivity Display Criteria Setup screen 2 Touch ON
38. Selection from Ch5 According to the above configuration the Display Setup mode lets you select which channel will appear in each display Access the Display Setup button from the Mode screen when multiple channels are selected To configure the display 1 Touch the desired Display box 2 Touch any one of the Channel boxes to the right of the display box to assign the channel to the selected display 3 To reassign any of the displays touch the Display box again and the allocation clears Touch the M Channel button to save the configuration and return to the Measurement screen Touch the OK button to save the display configuration and return to the Mode screen Touch the Cancel button to exit and return to the Mode screen without saving changes When you touch the Help button information about the current screen appears This information includes step by step instructions for operating the meter from the current screen and possible applications information for that screen Display Setup Select display number by touching the box to the left and select the associated channel number parameter by touching the respective box to right Display 1 Channel 1 9 Assigned to Display 1 pH Channel 1 Channel 2 Display 2 Assigned to Display 2 Channel 2 Channel 3 Assigned to Display 3 Display 3 9 pH Channel 4 Channel 3 Assigned to Display 4 Display 4 Channel 5 Channel 4 Conductivity
39. gt lon Setup Access lon Setup XL25 50 and 60 meters To access the Setup screen 1 Make sure you are in the lon Measure screen 2 Touch the Setup button to access the lon Setup screen If you were in quadruple triple or dual display mode you have access to the Setup mode for each channel displayed Touch the Setup Channel buttons at the top of the screen to toggle back and forth between the setup screens for each channel To change ion parameters select the lon Setup button OK x I ton ch1 Setup pH Ch2 Setup pH Fet Setup Cond Setup If you were in single display mode you will access the Setup mode for the single channel displayed only ok x Ion Chi Setup 51 accumet excel gt lon Setup Set Sample ID XL25 50 and 60 meters A sample ID is required if you wish to log data or do a timed printing Whenever this option is active each time you touch Log Data on the lon Measure screen the lon value along with date time channel and the sample ID will be sent to data storage You can manually enter an alphanumeric identification number of 10 characters for any sample or you can have the meter sequentially number your samples beginning at the number of your choice You can also choose to deactivate the sample ID To set sample ID Manual 1 Touch Manual for manual Sample ID entry 2 The current ID is displayed on the screen 3 Use the alphanumeric keypad on the screen to enter the desired
40. see Appendix XL Series Meters Factory Default Settings section for default settings The operating parameters of the lon mode can be set and controlled from the lon setup screen The lon Setup section will guide you through the various options available in the lon setup mode pH icha Setup pH Fet Setup Cond Setup Sample ID MANUAL SEQUENCE NONE Ton Method Electrode Type Measurement Unit Auto Read Mode Ion Stability Criteria Default Temperature Apply Temperature Compensation Alarm Limits Print Criteria Data Storage Criteria Display Criteria Direct Reading with Standards AMMONIA MANUAL MEDIUM F K Isopotential Point ON have 10 00 7 OFF High 3 99 E10 Touch here to edit Touch here to edit Touch here to edit Example XL60 lon Setup screen Function Buttons on lon Setup Screen Touch OK to confirm lon Setup and return to the lon Measure screen Touch Cancel to exit and return to the lon Measure screen without confirming lon Setup Touch View to view all lon data points stored in memory See lon Setup View Stored Data section for details When you touch the Help button information about the current screen appears This information includes step by step instructions for operating the meter from the current screen and possible applications information for that screen Touch Reset to reset all lon Setup Criteria to the factory default 50 accumet excel
41. 2 pin power plug into the power outlet or terminal strip Switch power on wall socket or terminal strip Press the black button on the base of the meter for 5 seconds Release the button to power on the meter Prom oe Do Shut down procedure 1 Close all applications and log off 2 From the HOME screen tap the bottom of the screen to bring up the task bar 3 Tap Start gt Shut down This launches Shut down window 4 Tap the Yes button on Shut down window to power off the meter Caution Do not remove power from the XL meter until the meter shuts down 9 excel gt Important It is recommended to follow the following start up and shut down procedures to avoid crashes lock ups or data loss Start and shut down procedures are also illustrated on the slip attached with the adaptor cable Start up procedure 1 MS ely Connect the 9V DC power jack of the adaptor to the rear connector panel of the XL meter Connect 2 pin power plug into the power outlet or terminal strip owitch power on wall socket or terminal strip Press the black button on the base of the meter for 5 seconds Release the button to power on the meter MADE IN CHINA 4 4 e E e 2 o z I ul s SO Ae BO OUTPUT Dg ov FOR ITE USE N OM L r Lj INPUT 100V 240VA Shut down procedure pls Iu Clo
42. 3 speed settings fast medium and slow To set pH Stability Criteria 1 Touch FAST MEDIUM SLOW to choose the desired stability criteria pH Stability Criteria FAST MEDIUM SLOW Stability criteria are more stringent at the slower setting Therefore if the highest precision is required then a slow setting would be desired The default setting is the FAST and this should be adequate for the majority of applications without making any changes Set Default Temperature It is a well Known fact that pH is a temperature dependent measurement The factory default setting is 25 C If you are taking the pH of a solution that is not 25 C and you are not using an Automatic Temperature Compensation ATC probe then you should enter the temperature value of that solution in order to get the correct pH value The current default temperature setting will be displayed on the screen The default temperature can be set from 5 C to 105 C To set Default Temperature 1 Select temperature units by touching the appropriate unit button C Celsius F Fahrenheit or K Kelvin 2 Touch the Default Temperature box and use the numeric keypad to enter the desired default temperature 5 C to 105 C 3 Press Enter in the keypad to return to pH pH FET Setup screen Default Temperature 25 0 c F K The use of an ATC probe provides a measured temperature value to the meter and will override any value entered in the default temperature scre
43. 30 40 50 and 60 meters When the meter is turned on it first goes though self test displays the FISHER Catalog cover briefly displays the desktop screen Home before loading the XL series program which results in the display of the measurement screen 3 Fisher Scientific accumet _ Sample ID 1 Temp 25 0 C Default g Last Standardization USA Not Standardized Internet Media Player My Computer Explorer DO in Sat pH Measurement Channel 1 7 00 STABLE Sample ID 1 Temp 25 0 C Default Last Standardization USA Not Standardized pH Measurement Channel 7 00 BS N 4 7 p 4 E 8 H 9 g My XL60O AdminUser Log Data Documents AS Sample ID 1 Temp 25 0 C ATC a 22 7 2 Profile Recycle Bin Microsoft WordPad I IU B Windows CE net Sample ID 1 Temp 25 0 C Default Last Standardization AUTO SPC Not Standardized Sb 9 47 Example of XL series measurement screen Example XL 60 Desktop screen Home XL60 meter pH pH DO and conductivity quadruple measurement screen 15 accumet excel gt Using the XL Series Meter Touch Screen Operation XL15 20 25 30 40 50 and 60 meters The new accumet XL series benchtop meter operates with a state of the art touch screen The touch screen makes this the easiest meter on the market to operate and care for When the meter is
44. 620 19 accuFlex electrode support arm and 13 637 671 BNC 13 620 99 pH Accessories pH Electrode Fisher Catalog Number accuCap Glass Body Gel Filled pH Combination Electrode 13 620 131 accuCap Plastic Body Gel Filled pH Combination Electrode 13 620 132 accuCap Glass Body Spear Tip pH Combination Electrode 13 620 133 accumet 3 in 1 pH ATC combination electrode single junction Ag AgCl reference epoxy body BING COLIIIOCIOE cio voa Lomas dE oie URDU iS UM nC dU M TC dM qun UE 13 620 530 accumet 3 in 1 pH ATC combination electrode Tris compatible calomel reference epoxy body BNC 13 620 531 accuFet XL cone tip 13 620 700 ACCUFEL XL CUD 1D i e 019 ERR E ERE 13 620 710 accuFet XL Tlat up electio E 13 620 720 accuFet XL lance tip 13 620 730 Calibration Certificate Fisher Catalog Number NIST pH meter calibration 15 094 28 pH Buffers and Solutions pH Color Description Ingredients Size Fisher Catalog Number 400 Red Potassium Biphthalate 500mL SB101 500 Potassium Phosphate Monobasic 500mL SB
45. Bottle ID 1 new Sample Seed To enter Bottle ID 1 Touch the Bottle ID box 2 Use the alphanumeric keypad to enter the desired Bottle ID The BS key allows you to remove characters that are incorrectly entered 3 Touch Enter to accept current Bottle ID and return to the BOD Calculation Parameter Screen 4 After entering the Bottle ID the Bottle ID 1 Add new Sample Seed following text entry boxes will DTE appear and require more information regarding the current Bottle Volume 300 0 mi Sample mE Seed Volume 200 a Description Sample Volume 15 b Sample Volume Predilution factor MEET c Seed Volume 1 to X d Bottle Volume e Pre dilution factor only for sample 5 After entering the above parameters for a new sample reading touch Apply BOD Detail button to accept the initial reading for a sample used to calculate BOD NOTE The stored data is displayed in the Available Sample ID text box in tree view By selecting the sign for a particular Bottle ID all the stored parameters for that particular Bottle ID will display in the Available Sample ID text box Select the sign to close the tree view of the sample Available Sample ID i SAMPLE gt Description Sample 1 H Initial D O 7 57 H Sample volume 15 00 be Bottle Volume 300 00 a Date Start 13 Sep 2004 9 00 20 PM Final Result Not Available 146 accumet excel DO Operation BOD
46. C ATC Salinity 0 0 ppt Barometer 760 0 mmHg To Measure DO with Auto Read OFF 1 Immerse rinsed DO probe into the sample solution constantly stirring the solution 2 The meter will continuously measure the sample until the stability criteria is met At this time the STABLE indicator appears 3 Record the reading once the measurement has become stable 4 To take another reading repeat steps 1 to 3 User ID Default Auto Read OFF Std Mode AUTO NOTES You can access other functions of the meter with the remaining buttons on the measure screen Touching Setup will access the Setup screen At anytime you can touch Mode to access another mode of operation including BOD OUR and SOUR 142 accumet excel gt DO Operation BOD Measurement XL40 and 60 meters To measure BOD a sample is seeded and incubated in the dark at 20 C for five days The dissolved oxygen concentration is then measured and subtracted from the initial pre incubation dissolved oxygen concentration The difference is a measure of the Biochemical Oxygen Demand BOD of the sample Before measuring BOD remember to setup your BOD measuring mode parameter from the BOD Setup screen Once the meter is standardized you are ready to measure DO for a BOD measurement BOD in mg L Channel 4 1 72 STABLE E Last Standardization 12 Sep 2004 8 59 37 PM Standard Recognition AUTO gt Touch Standartize icon
47. Ch J Ow 25 0 C Default 25 0 C Default 25 0 C Default 25 0 C Default 25 0 C Default 25 0 C Default 25 0 C Default 25 0 C Default 3 Program File 3 Temp 3 windows Name Type Htm file html Direct Reading Direct Reading Direct Reading Direct Reading Direct Reading Direct Reading Direct Reading Direct Reading Direct Reading Touch the alphanumeric keypad to name your file File Edit View Favorites amp Address onviewHTML htm m 26 Jul 2004 4 22 41 1 32 88 26 Jul 2004 4 22 26 AM Ch1 42 55 26 Jul 33713 250 Default 26 Jul 3 573 25 0 Default 26 Jul 2004 4 22 16 AM Ch1 26 Jul 3 57 3 zo t Default Export view in HTML format 62 accumet excel gt The XL40 and XL60 meter allows to measure DO BOD OUR SOUR Each mode is independent from one another and needs to be setup separately However the basic setup procedure is virtually identical for each mode with exceptions noted This manual will focus on DO Setup screens but each mode will setup in the same manner BOD OUR and SOUR have a configuration to edit in the setup mode see BOD OUR and SOUR Setup The DO Setup screen present many options to control the operating parameters of the meter The meter is factory set with regard to these options and is ready for use under
48. Criteria XL40 and 60 meters This screen allows you to select which criteria are stored in the data logger with the measurement when you store the data The status of the current data storage criteria is displayed on the screen The criteria option is active if ON appears to the right of the option It is inactive if OFF appears to the right of the option Any active criteria will be stored on demand To set Data Storage Criteria 1 Touch the Touch here to edit button next to the Data Storage Criteria to access the DO Data Storage Criteria Setup screen 2 Touch ON or OFF to change the status of a criteria you want to modify 3 Repeat step 2 for all the remaining criteria except Data logging Interval or Data Storage Interval 4 For Data logging Interval or Data Storage Interval touch MANUAL to log DO data only when the Log Data button is pushed touch STABLE to automatically log DO data when DO reading is stable or touch TIMED to set a specific timed interval in seconds to log DO data 5 Touch the OK button to accept the changes of the entire group of data storage criteria and return to the DO Setup screen Data Storage Criteria Touch here to edit DO Data Storage Criteria Setup Date Time Channel Sample ID Temperature Salinity Barometer Last Standardization Meter Model Serial Operator Data logging Interval MANUAL STABLE TIMED 7 accumet excel gt DO Setup Set Display Criteria X
49. Default Temperature 108 Set Reference Temperature 108 Set Temperature Coefficient 108 Set Alarm cr cR 109 Set Print Criteria 109 Set Data Storage Criteria 110 Set Display 02 22 2 110 View Stored 2 2 2 110 accumet excel XL 50 Meter Table of Contents pH Operation About pH 110 Standardizing with Auto Buffer 112 Standardizing with Manual Buffer Recognition 113 Temperature Standardization 114 pH Measurement with Auto Read e m EO 115 Graphing Function 2 116 mV Operation About mv 117 Absolute mv 118 Relative mv Standardization and Measurement 118 Graphing FOLpCLOTL 119 lon Operation About lon MEASUREMENT eee 120 DIRECT READING METHODS 121 124 Standardization Direct Reading with Statidards 121 Measurement Direct Readin
50. SOUR Conductivity Resistivity TDS Salinity XL30 Channel 5 Conductivity Resistivity TDS Salinity Assigning the channels 1 2 Touch the Mode button on the Measure screen Choose the desired channels for your application XL15 Touch the input channel Ch1 and or Ch3 on the back panel image to select the parameter assigned to that channel Touch the appropriate parameter icon to assign an input to each desired channel XL30 and XL40 Touch the appropriate parameter icon to assign an input to each desired channel XL20 XL25 XL50 and XL60 Touch Channel button Ch1 Ch2 Ch3 Ch4 and or Ch5 to select the parameter assigned to that channel Touch the appropriate parameter icon to assign an input to each desired channel To deselect a channel simply touch the Channel button again or input channel on back panel If multiple channels are assigned touch the Display Setup button to select and assign displayed windows refer to next page for directions To return to measurement mode touch Multi Channel if two or more channels are assigned or touch Single Channel if one channel is assigned Neqoe 77 Ue X vas rm Select Chi Ch3 from above XL15 Meter Backpanel Image Assigning channel for XL15 meter 26 accumet excel gt Using the XL Series Meter Channel Assignment XL15 20 25 30 40 50 and 60 meters Assigning channel for XL30 Assigning channe
51. Sample ID The BS key will allow you to backspace to remove a character that was incorrectly entered 4 Touch Enter to accept current Sample ID and return to the lon Setup screen To set sample ID Sequential 1 Touch Sequence for sequential Sample ID entry 2 The current ID is displayed on the screen 3 Use the numeric keypad on the screen to enter the desired Sample ID number that you would like your sequential Sample ID assignment to begin with Every time you touch Print or Log Data on the lon Measure screen the Sample ID will increase by 1 The BS key will allow you to backspace to remove a character that was incorrectly entered 4 Touch Enter to accept the first sequential Sample ID and return to the lon Setup screen To deactivate the sample ID assignment None 1 Touch None to deactivate the sample ID assignment Sample ID MANUAL SEQUENCE 52 accumet excel gt The lon Method window lets you select from a variety of ion measurement methods Direct Reading with Standards The most common method of ion measurement When using this method you will use standards of known values to standardize the meter with ion standards An ionic strength adjuster ISA is added to both the standards and the sample Two to five standards are used The standards should bracket the expected value of the sample The ion specific electrode is immersed in a stirring sample and the ion concentration is read directly fro
52. Tap Start gt Settings gt Control Panel This launches the Control Panel screen Double tap Date Time icon This launches the Date Time Properties window Tap the left or right arrow to select a month and year Tap a day Tap Apply button Tap OK to save the time You need to reset your time zone time and date if The time changes or you are traveling to a different time zone Date Time Properties Date Time Curent Time z Ka het et 4 05 27 299 123 4 5 6 Time Zone 7 8 9 10 11 12 13 14 15161718 19 20 GMT 06 00 Central Time US amp Canada M 21 22 23 24 25 26 27 28 29 30 31 1 2 3 Automatically adjust clock for daylight saving 4 56 7 8 910 The time on the meter can be synchronized with your personal computer through Microsoft Active Sync 18 accumet excel gt Using the XL Series Meter On Screen Keyboard XL15 20 25 30 40 50 and 60 meters Using the On Screen Keyboard Use the stylus to tap letters numbers and symbols on the on screen keyboard to enter typed text directly onto the screen 1 2 From any application screen tap the bottom right of the screen to access the input panel Tap the Pencil Keyboard icon see below A pop up menu will appear Tap LargeKB to display a large keyboard with all function keys Tap keyboard for a basic function alphanumeric keyboard Tap desired letters numbers and symbols on the keyboard Hit
53. alphanumeric keypad on the screen to key in the same password used in step 3 Press Enter key to confirm Password 5 Touch the Company Name box use the alphanumeric keypad on the screen to key in the Company Name Press Enter key to confirm Company name 6 Touch Add a dialog box will ask Are you sure you want to add this user Touch Yes or No If you touch Yes the new user will be added If you touch No you may still edit the current user NOTE The administrator has authority to add or delete user names Users may modify their password and company name only by entering User ID and Password in place of Admin on the User Login screen 161 accumet excel gt Appendix Setting the XL Series Meters User Profiles XL15 20 25 30 40 50 and 60 meters Admin User rel 0 01 User Profiles User logged in admin Select User Admin User Setting User detail Apply to current user User ID admin Apply to all Password Confirm Password pe L Default Setting Company Mame Fisher Scientific Delete User Data User Group Admin 7 Function Buttons on User Profiles Screen Touch Add Modify to add or modify the current details Touch Delete to delete the user applicable only to the Administrator When you touch the Help button information about the current screen appears This information includes step by step instructions for operating the meter from the current scree
54. and controlled from the TDS setup screen The TDS Setup section will guide you through the various options available in the TDS setup mode pH thi Setun pH th2 Setup pHiFet Setup EET TDS Setup Sample ID MANUAL SEQUENCE HOME Calibration Point Single Point Multi Point Stable j Auto Read ON OFF Made MANUAL Cell Constant D 1 0 0fcm 1 000 cm 10 00 cm TDS Factor 0 50 Default Temperature Reference Temperature Temperature Coefficient ON Lowy High 300000 Print Criteria Touch here to edit Data Storage Criteria Touch here to edit Display Criteria Touch here to edit Example XL60 TDS Setup screen Alarm Limits Function Buttons on TDS Setup Screen Touch OK to confirm TDS Setup and return to the TDS Measure screen Touch Cancel to exit and return to the TDS Measure screen without confirming TDS Setup Touch View to view all TDS data points stored in memory See TDS Setup View Stored Data section for details When you touch the Help button information about the current screen appears This information includes step by step instructions for operating the meter from the current screen and possible applications information for that screen Touch Reset to reset all TDS Setup Criteria to the factory default 99 accumet excel gt TDS Setup Access TDS Setup XL20 30 50 and 60 meters To access the Setup screen 1 Make sure you are in the TDS Measure sc
55. any of the parameters available in the screen header The meter stores DO data under the following parameters Reading Standardized Buffer Date Time Channel Current Buffer Sample Id Calibration Point Temperature Meter Model Serial No Last Standardizations Operator To View Stored Data 1 Touch the View button in the DO Setup screen You can only log 1000 data points at a time To clear space for new data points you have to delete the same number of old data points as you want to add new data points Function buttons on View Stored Data Screen Total Records Export View and Header is used to export Reading Date Time channel Sample 1d 508 Sat 16 Noy 2005 11 28 08 4 1 21 9 C ATC the contents of the view screen as an html 503 neat 16 11 28 09 2 219 503 Sat 16 Noy 2005 11 28 10 AM Ch4 3 21 9 C ATC file to the location of your choice from the 503 Sat 16 Nov 2005 f 11 28 11 AM Ch4 4 21 9 C ATC list When touched a dialog box and 503 5 16 Nov 2005 11 28 12 AM Ch4 5 21 9 C ATC 503 Sat 16 Nov 2005 f 11 28 13 AM Ch4 6 21 9 alphanumeric keypad appear to select a file 503 Sat 16 Noy 2005 11 28 14 AM Ch4 7 21 9 C ATC name and folder to save the html file The 503 16 2005 11 28 16 8 21 9 d DIT NN 503 Sat 16 Nov 2005 11 28 16 AM Ch4 9 21 9 C ATC Save desktop Touch OK to go back to the Setup screen from the
56. available in XL20 XL25 XL50 and XL60 meters only Multi Channel O XL15 Display Ch1 Ch3 Single Channel Display XL30 Display Ch5 XL40 Display Ch4 XL20 Display 1 amp 2 Ch1 Ch3 Ch5 Dual Channel Display XL25 Display 1 amp 2 Ch1 Ch2 Ch3 Triple Channel Display XL50 Display 1 2 amp 3 Ch1 Ch2 Ch3 Ch5 Quadraple Channel Display XL60 Display 1 2 3 amp 4 Ch1 Ch2 Ch3 Ch4 Ch5 The Display Setup button lets you configure the display to read the inputs from the channels of your choice Display Setup Note Display Setup function is available in XL20 XL25 XL50 and XL60 meters only 23 accumet excel Using the XL Series Meter Button Functions XL15 20 25 30 40 50 and 60 meters The following buttons appear in the related XL series meters Mode screen after Channel 1 2 3 4 or 5 is selected Conductivity Resistivity Salinity pH FET The pH mode button allows you to switch to the various pH operations of the meter available in Ch 1 and 2 of the XL15 XL20 XL25 XL50 and XL60 meters only The mV mode button allows you to switch to the various mV operations of the meter available in Ch 1 and 2 of the XL15 XL20 XL25 XL50 and XL60 meters only The lon mode button allows you to switch to the various ion concentration operations of the meter available in Ch 1 and 2 of the XL25 XL50 and XL60 meters only The pH
57. clear the previous Standardization gt Touch Cancel to return to the Measurement gt Touch Temp Std for Temperature Standardization Temp 25 5 C ATC p 25 5 C mv s 205 7 102 8 32 4 mV pH calibration screen with Auto Buffer Once the meter is calibrated the pH Measure Recognition screen shows the buffers that have been standardized and last standardization time date 112 accumet excel gt pH Operation Standardizing XL15 20 25 50 and 60 meters To standardize the meter with Manual Buffer Recognition The Manual mode requires a minimum two point calibration When you press the Enter key after the first calibration point a message appears Minimum 2 buffers need to be standardized to apply the standardization in measurement 1 Make sure Manual Buffer Recognition is selected in the Setup screen 2 Immerse your rinsed electrode s and temperature probe in a buffer solution from the selected buffer group that you chose during the pH setup process and stir gently The selected buffer group appears on the standardization screen 3 Touch Standardize on the Channel 1 2 or 3 pH measure screen to access the standardization screen 4 Touch Clear if necessary to delete all previous standardization values If the screen says Not standardized proceed to step 5 5 The screen will flash each beaker icon once then a numberic keypad will appear Using the displayed
58. connector panel 5 accumet excel gt Getting Started XL Series Meters Connectors XL25 and 30 meters Stylus qzccuFET ISFET pH electrode Power IC hana 3 RI 45 Temperature Compensation ATC Channel 1 ii USB A Reference jack Channel 1 BNC input connector Channel 1 CS oO media A applications 50 CARD pHe lsE2 2230 DSP REPS LLPLEIDEILIILERW IT M 1 Infrared BNG input connector communication Channel 2 SD card reader Reference pin jack Channel 2 R5 232 Automatic Temperatura Compensation ATC Channel 2 XL25 rear connector panel Audio output edla player applications XL30 rear connector panel 6 accumet excel gt Getting Started XL Series Meters Connectors XL40 and 50 meters Audi utput socket usi conjunction with the media player Dissolved oxygen probe Infrared communication XL40 rear connector panel Stylus ISFET pH electrode Power Channel RJ 45 Automatic Temperature Usg amp Compensation Channel 1 Ver 1 1 USB A Reference pin jack Channel 1 BNC inpul connector Channel 1 USH B USB A FET 1 REF1pHi lSEi media player applications ALDI m Infrared ATG REF pnHZ I5E 2 COND 2 4 CELL
59. different temperatures Temperature C 4 01 6 86 9 18 gt pa 50 4 060 6 833 9 011 174 accumet excel gt pH Electrodes The electrode system consists of two half cells a pH indicating electrode which is primarily responsive to the acidity the hydronium ion concentration tion of a solution and a reference electrode which provides a constant voltage and completes the electrical circuit Traditional pH indicating electrodes use a tip made of pH sensitive glass Inside this electrode is a buffer solution with a fixed pH and ionic strength A silver wire coated with silver chloride is immersed inside this internal solution and establishes electrical contact between the solution and the meter The voltage associated with this wire and the voltage associated with the pH of the internal solution and the inside wall of the pH sensitive glass tip remain constant Therefore changes in voltage from this electrode result from the voltage developed between the solution and the outside of the glass tip If the pH sensitive glass tip or membrane is to function properly it must be hydrated A dry or dehydrated electrode membrane will not respond properly to changes in acidity pH electrodes are also effected by changes in temperature and the presence of other ions Temperature effects can be countered by temperature compensation functions on the pH meter While temperature compensation will not allow you to predict
60. first plugged in the meter runs a self test and takes you to the measurement screen Touch any icon to access the functions of the meter Your XL series meter also includes a stylus that you can use to tap on your screen The stylus easily stores inside the back panel of the meter The buttons on the right side of the screen control all of the functions of the meter A light touch on the screen is all that you need to access the various functions Once you touch a button you will get an audible tone the screen will not change until you lift your stylus This design prevents rapid uncontrolled scrolling through the various function screens Function buttons and options change from screen to screen Easy to understand prompts guide you through the operation of the meter in the selected mode If you are ever in doubt about what to do just touch Help on the bottom right corner of the screen for detailed information about that screen Your meter was shipped with a clear protective sheet to protect the LCD display and bubbles may appear on the screen The screen will respond better and visibility will improve if it is removed Alternatively you may choose to leave this on for added protection Screen contrast adjustment You can adjust the contrast of your screen to your requirements 1 From the HOME screen tap the bottom edge of the screen to access the Task bar Tap Start gt Settings gt Control Panel This launches the Control Panel scre
61. gt Conductivity Setup Set Sample ID XL20 30 50 and 60 meters A sample ID is required if you wish to log data or activate a timed printing Whenever this option is active each time you touch Log Data on the conductivity Measure screen the conductivity value along with date time channel and the sample ID will be sent to data storage You can manually enter an alphanumeric identification number of 10 characters for any sample or you can have the meter sequentially number your samples beginning at the number of your choice You can also choose to deactivate the sample ID To set sample ID Manual 1 Touch Manual for manual Sample ID entry 2 The current ID is displayed on the screen 3 Use the alphanumeric keypad on the screen to enter the desired Sample ID The BS key will allow you to backspace to remove a character that was incorrectly entered 4 Touch Enter to accept current Sample ID and return to the mV Setup screen To set sample ID Sequential 1 Touch Sequence for sequential Sample ID entry 2 The current ID is displayed on the screen 3 Use the numeric keypad on the screen to enter the desired Sample ID number that you would like your sequential Sample ID assignment to begin with Every time you touch Print or Log Data on the pH Measure screen the Sample ID will increase by 1 The BS key will allow you to backspace to remove a character that was incorrectly entered 4 Touch Enter to accept the first se
62. in temperature The coordinates of this point would be reported as pXis Eiso For an ideal system this point would be coincident with the system s Zero Potential Point PXiso Eo In practical systems however this coincidence rarely occurs and for some systems there is no true Isopotential Point but a general Isopotential area If a system exhibits an apparent Isopotential Point or at least an Isopotential area with relatively small spread Isopotential coordinates may be established and possibly used to some advantage Isopotential correction may be used only in conjunction with a One or Two Point Standardization it is required only when both accuracy over a significant temperature range as well as operation with an asymmetric electrode system are contemplated However Isopotential correction is never necessary if all measurements will be performed on samples which are at similar temperatures Most conventional pH electrode systems are designed and manufactured to be highly symmetrical cells Consequently for most pH work unless ultimate accuracy over broad temperature ranges is required Isopotential may be ignored Specifically this is accomplished by setting the Isopotential at its reset value of zero millivolts The following is an example for determining an Isopotential Point Data points are first established for three different standards at three different temperatures The data points are then plotted and will produce thr
63. made on any of these parameters 86 accumet excel gt Set Temperature Coefficient The temperature coefficient is a value that reflects the degree to which the sample s conductivity is effected by temperature changes The meter will use the set temperature coefficient along with the measured temperature provided by the ATC probe to calculate what the conductivity would be at the selected reference temperature If no ATC probe is being used the meter will use the set default temperature in the calculation The temperature coefficient can be set from 0 to 10 000 To set Temperature Coefficient 1 Touch the Temperature Coefficient box and use the numeric keypad to enter the desired default temperature 0 to 10 000 2 Press Enter in the keypad to return to conductivity Setup screen Temperature Coefficient 2 100 Yo NOTE The meter and probe with ATC will measure temperature even if the temperature coefficient is set to 0 0 however a temperature correction will not be applied to the measurement Set Alarm Limits This option allows you to set alarm limits for the conductivity measuring mode If the conductivity value of the measurement is outside of the boundaries set by the minimum and maximum limits audible and visual warnings will let you know that your sample measurement was outside of the set limits The Alarm Limit can be set from 0 0 uS to 500000 00 uS To set Alarm Limits Touch ON or OFF to
64. meter recognizes the measurement as stable Select Cell Constant This setup option allows you to select the appropriate cell constant of the conductivity cell that you are using There are three cell constants to choose from Each is used for a different range of conductivity The following indicates the optimal conductivity range for the accumet conductivity cells Optimal Conductivity Range Cell Constant 2 cell 4 cell 0 1 0 5 to 200 uS cm Not Available 1 0 0 01 to 2 mS cm 0 01 to 20 mS cm 10 0 1 to 200 mS cm 1 to 200 mS cm Check the part number on your accumet conductivity cell and compare to chart on the previous page to determine the cell constant of your conductivity cell To select Cell Constant 1 Touch 0 100 cm 1 000 cm or 10 00 cm to choose the correct cell constant Cell Constant 0 100 f cm 1 000 cm 10 00 f cm When you change cell constants your calibration factor will automatically reset to default values It is recommended that you standardize your meter to establish a new calibration factor 85 accumet excel gt Set Default Temperature Conductivity is a temperature dependent measurement This option allows you to select a default temperature that the meter will use along with the temperature coefficient to calculate a temperature corrected conductivity measurement If an ATC probe is used any value entered as a default temperature will be overridden in favor of the actual measured t
65. reading and display STABLE when the measurement meets the selected stability criteria OR To Measure pH of a Sample with Auto Read OFF 1 Immerse the rinsed electrode s in the sample and stir gently 2 Record the reading once the measurement has become stable STABLE will appear once the meter recognizes that the measurement is stable Please note that STABLE will only appear if you have completed a successful two point calibration NOTES You can access other functions of the meter with the remaining buttons on the measure screen e Touching Setup will access the pH Setup screen e Touching Measure will initiate a new measurement of a sample with Auto Read ON e At anytime you can touch Mode to access another mode of operation 115 accumet excel Operation Graphing Function XL15 20 25 50 and 60 meters You can view your data as a real time graph on screen to display mV changes over time Time is plotted in seconds The graph refreshes every hour from the start of graphing 1 To view your data in graph format touch Show Graph 2 To start plotting data touch Start Plotting To stop plotting data touch Stop Plotting Once the plotting is stopped the displayed graph can be dragged left right and up down 3 To view your data more closely touch Zoom In To view more data at one time touch Zoom Out 4 To hide the graph touch Hide Graph 7 00 J Time Ela TE Sate 116 a
66. see next page for details OUR Setup Sample ID SEQUENCE Mesurement Units mbar Calibration Mode Manual Two Point Stable Med Slow OFF OUR Configurations set OUR Configuration Temperature F Baromter 760 0 Salinity 10 0 Low 0 0 OFF High 600 0 Print Criteria Touch here to edit Data Storage Criteria Touch here to edit Display Criteria Touch here to edit Alarm Limits Example OUR Setup screen Function Buttons on OUR Setup Screen Touch OK to confirm OUR Setup and return to the OUR Measure screen Touch Cancel to exit and return to the OUR Measure screen without confirming OUR Setup Touch View will bring up Select View dialog box You will have the option of selecting the OUR results or the all OUR data points stored in the memory When you touch the Help button information about the current screen appears This information includes step by step instructions for operating the meter from the current screen and possible applications information for that screen Touch Reset to reset all OUR Setup Criteria to the factory default 77 accumet excel gt OUR Setup OUR Configuration 40 and 60 meters This screen allows you configure the OUR dilution factor minimum time in minutes for the test maximum time in minutes for the test minimum starting DO and minimum Ending DO All values for these parameters are entered via a numeric keypad Dilution factor ca
67. set display with 1 mV resolution or touch X X to set display with 0 1 mV resolution 5 Touch the OK button to accept the changes of the entire group of display criteria and return to the mV Setup screen Displav Criteria Touch here to edit mV Display Criteria Setup Measurement Channel ON FF Sample ID ON FF Temperature ON Milivolt Offset ON Display Resolution AT accumet excel gt mV Setup View Stored Data XL15 20 25 50 60 meters The XL15 XL20 XL25 XL 50 and XL60 has a memory capacity to store up to 1000 data points The View Stored Data screen allows you to look at specific data points stored in the meter based on the meters memory capacity The meter stores mV data under the following parameters Reading Date Time Channel Offset Sample Id Meter Model Serial No Temperature Operator To View Stored Data 1 Touch the View button in the mV Setup screen You can only log 1000 data points at a time To clear space for new data points you have to delete the same number of old data points as you want to add new data points Function buttons on View Stored Data Screen Touch OK to go back to the mV Setup screen from the View Stored Data screen Total Records D pet en olen ee one ay ee ee epee ores information about the current screen 4 Jan 2002 8 01 49 9 25 0 C Default 0 0 4 Jan 2002 8 01 49 AM Chi 8 25 0 C Default appears 4 Jan 2002 8 01 48 AM C
68. standard and a fluoride ISE might be used to measure to aluminum concentration of a sample When the sample containing aluminum is added to the standard it reduces the measured fluoride content of the standard The amount of reduction is proportional to the aluminum in the sample The analyte methods offer the same advantages as do the addition methods in that they effectively deal with complex samples A distinct advantage of the analyte subtraction method is that it can be used in cases where an ISE does not exist for a given species such as aluminum in the example cited 179 accumet excel gt Meter Operation The XL40 and XL60 meter uses the polarographic method of determining dissolved oxygen concentration A voltage is maintained across two electrodes a gold cathode and a silver anode and an electrolyte separated from the sample solution by an oxygen permeable membrane Oxygen diffuses from the sample across the membrane where it is reduced at the cathode 1 2 4e gt 40H The current generated by such an electrode is proportional to the oxygen concentration of the sample The rate of oxygen reduction at the cathode is significantly faster than the rate of diffusion to the electrode Therefore the rate of oxygen reduction is diffusion limited 2 kD O3 is the measured current k is a proportionality constant D is the diffusion coefficient of oxygen Equation 2 is a simplified descripti
69. the Enter key To remove the keyboard tap on the Pencil icon The pop up menu will appear Tap Hide Input Panel to remove keyboard To see symbols tap the Shift key 19 accumet excel gt Secure Digital SD Expansion Cards You can expand the memory and connectivity of your XL series meter Use optional expansion cards for e Expanding the memory of your XL series meter Viewing the content of memory cards Expansion cards must be purchased separately and are not included with your XL60 meter Installing an Secure Digital SD Expansion Card To install a Secure Digital SD card into an expansion slot on the XL series meter 1 Locate the SD card slot on the back of XL series meter 2 Remove the protective plastic card 3 Insert the SD card into the SD slot and push firmly If your expansion card is not recognized follow the card manufacturer s instructions to install it Removing a Secure Digital SD Expansion Card 1 Close all applications that are using the SD card 2 Remove SD card from the SD slot by slightly pushing down on the card to unlock it 3 When the card disengages and pops up pull it from the expansion slot CAUTION SD cards must first be unlocked before removal Viewing the Content of Secure Digital SD Expansion Cards Use Windows Explorer to view the files that are located on your optional Secure Digital card 1 From the Start menu tap Programs Windows Explorer
70. these options and is ready for use under most circumstances see Appendix XL Series Meters Factory Default Settings section for default settings The operating parameters of the resistivity mode can be set and controlled from the resistivity setup screen The resistivity Setup section will guide you through the various options available in the resistivity setup mode pH Ch1 Setup pH Cha2 Setup pH Fet Setup I Resistivity Setup Sample ID SEQUENCE NONE Calibration Point Multi Point Stable OFF AUTO MANUAL Cell Constant 0 100 cm 10 00 Default Temperature 29 0 Reference Temperature 22 0 Temperature Coefficient 2 100 OM Low 3 000 KOhm MOhm OFF High 100 000 Ohm KOhm Alarm Limits Print Criteria Touch here to edit Data Storage Criteria Touch here to edit Display Criteria Touch here to edit Example XL60 Resistivity Setup screen Function Buttons on Resistivity Setup Screen Touch OK to confirm resistivity Setup and return to the resistivity Measure screen Touch Cancel to exit and return to the resistivity Measure screen without confirming resistivity Setup Touch View to view all resistivity data points stored in memory See Resistivity Setup View Stored Data section for details When you touch the Help button information about the current screen appears This information includes step by step instructions for operating the meter from the current screen and p
71. to 20 00 x TDS factor ppt and 20 00 x TDS factor to 200 0 x TDS factor ppt Salinity O to 0 094 ppt 0 094 to 1 000 ppt 1 000 to 11 50 ppt and 11 50 to 90 00 ppt Before measuring conductivity resistivity TDS or salinity you will need to standardize the meter using standards with known conductivity resistivity TDS or salinity values This meter can perform a single or multi point standardization You will need to set your meter to single or multi point calibration in the Setup mode for conductivity resistivity TDS or salinity You may also use the Setup mode set conductivity to auto standard recognition to recognize preset values 84 uS 1 413 mS 12 88 mS and 111 8 mS The meter will continually monitor the conductivity resistivity TDS or salinity reading in this mode and will not lock onto a single reading However once the reading has become stable STABLE will be displayed unless the Stable indicator has been turned OFF in the Setup mode Remember to setup your measuring mode parameters Refer to the setup section for the particular mode you will be measuring Conductivity in uS cm Channel 5 14 Conductivity measure screen Standardize without standardization 0 932 STABLE Not standardized gt Touch standardize icon to access standardization mode Sample ID Temp 25 0 C Default User ID Default Ref Temp 25 0 C Auto Read OFF Std Point Single Point Std Recogn AUTO Coeff 2 100 Cell K 1 000 c
72. will flash a blank beaker icon for a few seconds then a numeric keypad appears Use the alphanumeric keypad on the screen to enter desired value The BS key allows you to remove characters that are incorrectly entered Touch Enter on the keypad to accept the value and return to the DO standardization screen The screen will flash a beaker icon with the entered value When the reading is stable STABLE appears on the screen Touch Confirm to standardize The meter will then return to the DO measure screen It is important to prepare your DO probe according to the manufacturer s instructions prior to use Once meter is DO in Sat Channel 4 calibrated DO Measure screen shows the standard the time date of last standardization and MANUAL standard recognition Last Standardization 10 Sep 2004 9 38 25 Standard Recognition MANUAL gt Touch Standardize icon In access standardization mode SampleilD Temp 25 5 C ATC User ID Default Salinity 0 0 ppt Auto Read OFF Barometer 760 0 mmHg Std Mode MANUAL 8 140 accumet excel DO Operation Temperature Standardization XL40 and 60 meters To Standardize Temperature of the Meter 1 Touch Standardize on the DO measure screen to access the standardized screen 2 3 Make sure DO probe with built ATC is attached to meter Immerse your DO probe with built ATC probe into a solution of known t
73. with built ATC probe into a solution of known temperature such as a temperature bath for a few minutes while temperature stabilizes 4 Touch Temp Std to access temperature standardization 5 The Temperature Standardization screen appears Check the current temperature displayed with that of the solution of known temperature Touch the Standardization Temperature box and use numeric keypad to enter the current temperature Press Enter to confirm value 6 Touch OK to confirm Standardization Temperature and return to the conductivity Measure screen Touch Reset to reset and enter a new standardization temperature Touch Cancel to cancel temperature standardization and return to the conductivity Standardization screen Note The meter will not allow entered value to exceed 5 C of the ATC probe value If entered value exceeds 5 C an error window will appear and you will have to re enter value or cancel out of the temperature screen This might indicate that you have a faulty ATC probe Temperature Standardization Current Temperature standardization Temperature C E K 157 accumet excel gt Conductivity Operation Measurement XL20 30 50 and 60 meters Once the meter is standardized you are ready to take conductivity resistivity TDS or salinity measurements of your sample 1 Immerse the rinsed conductivity cell with built in ATC into the sample solution The immersion depth should be enough to cover the
74. 0 C to 110 C The TDS Default Temperature is set the same way as previously described in Conductivity Setup See Conductivity Setup Select Reference Temperature section for instructions a Default Temperature 23 0 To Set Reference Temperature This setup option allows you to select the reference temperature to be used in the determination of the TDS of your sample The reference temperature is the temperature to which the TDS readings would be normalized The reference temperature can be set from 15 C to 30 C The TDS Reference Temperature is set the same way as previously described in Conductivity Setup See Conductivity Setup Select Reference Temperature section for instructions Reference Temperature 29 0 C F K 102 accumet excel gt To Set Temperature Coefficient The temperature coefficient is a value that reflects the degree to NOTE The meter which the sample s TDS is affected by temperature changes The and probe with meter will use the set temperature coefficient along with the ATC will measure measured temperature provided by the ATC probe to calculate what temperature even the TDS would be at the selected reference temperature If no ATC if the temperature probe is being used the meter will use the set default temperature coefficient is set in the calculation to 0 0 however a temperature correction will not The TDS Temperature Coefficient is set the same way as previously be app
75. 107 500 10 00 Potassium Carbonate Potassium 500 mL SB115 500 40 Individual Tear Open pH Packets 20 box 13 300 150 700 Individual Tear Open pH Packets 20 box 13 300 149 10 00 Individual Tear Open pH 20 box 13 300 148 Fisher BufferPac pH 4 00 7 00 and 10 00 buffers x 500 SB105 Individual Tear open pH Packets assortment 5 each of pH 4 00 7 00 10 00 and rinse packets 20 13 300 147 Electrode Rinse Individual Tear open pH Packets 20 13 300 180 Electrode storage solution 11 SE40 1 To place an order call 1 800 766 7000 fax 1 800 926 1166 or online www fishersci com 185 accumet excel gt Replacement Parts Dissolved Oxygen Accessories Description Fisher Catalog Number proDE M TT E 13 620 SSP DO probe membrane kit includes 6 replacement caps polishing disk and electrolyte filling 13 637 DOM Electrolyte filling solution 500 1 Na2S04 KCL 0 zero oxygen calibration solution 500 00653 00 Adapter for adapting YSI model 5910 probes to accumet benchtop meters 13 637 DOADPT Adapter for adapting YSI model 5905 probes to accumet benchtop meters also requires adapter 13 637
76. 13 AM Ch4 21 9 C ATC Sat 16 Nov 2005 11 28 14 AM Ch4 21 9 C ATC Sat 16 Nov 2005 11 28 16 4 21 8 C ATC Lu QON oig 21 9 C ATC 14 Dec 2004 10 07 5 D wN Cn Cn amp Whe Dateftime Channel SampleID 100 0 Sat 15 Dec 2004 2 06 18 AM Ch4 1000 24 9 100 0 Sat 15 Dec 2004 2 06 15 AM Ch4 999 24 9 C ATC 100 0 Sat 15 Dec 2004 2 06 12 AM Ch4 998 24 9 C ATC 100 0 Sat 15 Dec 2004 2 06 09 AM Ch4 997 24 9 C 100 0 Sat 15 Dec 2004 2 06 05 AM Ch4 996 24 9 C ATC 100 0 Sat 15 Dec 2004 2 06 02 AM Ch4 995 24 9 C ATC 100 0 Sat 15 Dec 2004 2 05 59 AM Ch4 994 24 8 C ATC 100 0 Sat 15 Dec 2004 2 05 56 AM Ch4 993 249 100 0 Sat 15 Dec 2004 2 05 53 AM Ch4 992 24 9 ATC 100 0 Sat 15 Dec 2004 2 05 50 AM Ch4 991 24 9 C ATC 100 0 Sat 15 Dec 2004 2 05 46 AM Ch4 990 24 9 C ATC 100 0 Sat 15 Dec 2004 2 05 42 AM Ch4 989 24 8 C ATC 100 0 Sat 15 Dec 2004 2 05 39 AM Ch4 988 24 9 C ATC 100 0 Sat 15 Dec 2004 2 05 36 AM Ch4 987 24 9 ATC 4 eee oo Program File Temp Windows puj d Touch the alphanumeric keypad to Export view in HTML format name your file NOTE If the file is stored in any location other then the three mentioned above it will be lost when power is removed from the unit 74 accumet excel gt BOD Setup BOD S
77. 20000 resolution 0 1 accuracy 0 2 Applicable only for XL15 XL20 XL25 XL50 and XL60 lon Mode Mode range 1x10 to 9 99x10 resolution 2 3 or 4 digits relative accuracy 0 17nN calibration points 5 incremental methods KA KS AA AS Applicable only for XL25 XL50 and XL60 continued on next page 3 accumet excel gt XL Series Meters Specifications XL15 20 25 30 40 50 and 60 meters Conductivity Mode cell constants range conductivity resistivity Total Dissolved Solids TDS salinity accuracy Dissolved Oxygen Mode 0 1 1 0 10 to 500 mS cm over 4 ranges to 200 0 uS 200 0 US to 2 000 mS 2 000 to 20 00 mS 20 00 to 500 0 mS 3 ohm cm to 100 megohm cm over 4 ranges 0 to 20 00 KOhms 20 00 to 200 0 KOhms 200 0 KOhms to 2 000 MOhms 2 000 to 100 0 Mohms 0 0 to 500 0 ppt over 4 ranges depending on the TDS factor 0 to 200 0 x TDS factor ppm 200 0 x TDS factor to 2000 x TDS factor ppm 2 000 x TDS factor to 20 00 x TDS factor ppt 20 00 x TDS factor to 200 0 x TDS factor ppt 0 to 90 ppt over 4 ranges 0 to 0 094 ppt 0 094 to 1 000 ppt 1 0 to 11 50 ppt 11 50 to 90 00 ppt 0 5 of full scale 1 digit Applicable only for XL20 XL30 XL50 and XL60 range resolution accuracy Temperature Mode range range resolution accuracy 0 to 60 mg L 0 to 1272 mbar to 600 saturation 0 01 mg L 0 1 mbar 0 1 saturation 0 1 1 least significant di
78. 25 Channel 26 27 Display SQUID a 28 pH Setup pH Setup Screen And Function Buttons 29 Access pH 30 Set Sample br pa oie Phone ie ies 31 Select Buffer Group 2 2 2 32 Select Buffer Recognition 33 Select Auto Read Mode 33 Set Ph Stability Criteria esses 34 Set Default Temperature 34 Set Isopotential Point 35 Set Alam tonta soar ete 35 eld aei 36 Set Data Storage 37 Set Display Criteria 38 View Stored 39 40 mV Setup mv Setup Screen And Function Buttons 41 Access mv 42 Set Sample 43 Set Alarm 5 2 2 0 44 Set Print Criteria Setup 45 Set Data Storage 46 Set Display Criteria
79. 4 For Data logging Interval or Data storage Interval touch MANUAL to log mV data only when the Log Data button is pushed touch STABLE to automatically log mV data when mV reading is stable or touch TIMED to set a specific timed interval in seconds to log mV data 5 Touch the OK button to accept the changes of the entire group of data storage criteria and return to the mV Setup screen Data Storage Criteria Touch here to edit mV Data Storage Setup Date Time Channel Sample ID OFF Temperature OFF Meter Model Serial No OFF Operator OFF Data logging Interval MANUAL STABLE TIMED 46 accumet excel gt mV Setup Set Display Criteria XL15 20 25 50 and 60 meters This screen allows you to choose what information you would like to be displayed on the mV Measure screen particularly the information contained in the data box at the bottom of the Measurement screen The status of the current display criteria is displayed on the screen The criteria option is active if ON appears to the right of the option It is inactive if OFF appears to the right of the option To set Display Criteria 1 Touch the Touch here to edit button next to the Display Criteria to access the mV Display Criteria Setup screen 2 Touch ON or OFF to change the status of a criteria you want to modify 3 Repeat step 2 for all the remaining criteria except Display Resolution 4 For Display Resolution touch X to
80. ATC 3 46 Eie ATC 2 ol 3 46 agp sw Export View 711213141516 71819101 514 2 Jan 2002 4 07 06 1 2 Jar 3 46 Za UC ATC A 7 AC c rid et aN III sut 3 Touch the alphanumeric keypad to name your file Export view in HTML format accumet excel gt 40 mV Setup mV Setup Screen XL15 20 25 50 and 60 meters Available in XL15 XL20 XL25 XL 50 and XL60 meters the mV Setup screen presents many options to control the operating parameters of the meter The meter is factory set with regard to these options and is ready for use under most circumstances see Appendix XL Series Meters Factory Default Settings section for default settings The mV Setup section will guide you through the various options available in the mV setup mode mv chi setup mW viCh2 Setup pHiFet Setup Sample ID SEQUENCE NONE ON Low 2000 0 Fri High 2000 0 my Print Criteria Touch here to edit Data Storage Criteria Touch here to edit Display Criteria Touch here to edit Alarm Limits Example XL60 mV Setup screen Function buttons on mV Setup Screen Touch OK to confirm mV Setup and return to the mV Measure screen Touch Cancel to exit and return to the mV Measure screen without confirming mV Setup Touch View to vi
81. Buffer Group 32 Select Buffer Recognition 33 Select Auto Read Mode 33 Set Ph Stability Criteria esses 34 Set Default 34 Set Isopotential Point 35 Set Alarm 35 SEU PINE CUCINA 36 Set Data Storage 37 Set Display Criteria 38 View Stored 39 40 mV Setup mv Setup Screen And Function Buttons 41 Access mv Setup 22 2 42 Set Sample ID amp etre rre enne 43 SeLATE DIETS caseus eerte np ned 44 Set Print Criteria Setup 45 Set Data Storage 46 Set Display Criteria 47 View Stored 48 49 lon Setup lon Setup Screen and Function Buttons 50 ACCESS lon 51 Set Sample ID sees 52 loni aeuo 53 Select Electrode
82. Clear if you need to delete the the previous standardization Immerse your rinsed conductivity cell in a standard solution and stir The screen will flash each beaker icon once then a number Conductivity Standardization uS cm Touch Standardize on the conductivity measure screen to access the standardized screen It is important to condition your conductivity probe according values to the manufacturer s instructions prior to use gently The immersion depth should be enough to cover the vent holes on the electrode keypad will appear Using the displayed keypad input the value of the standard that you are using to standardize the meter and then touch Enter The meter now shows the standard value in the flashing beaker When the reading is stable STABLE appears on the screen Touch Confirm to standardize the buffer The meter will then return to the conductivity measure screen If you selected Single Point in the Setup mode Calibration Point s your meter is now ready to measure conductivity with one standardization factor OR If you selected Multi Point in the Setup mode Calibration Point s touch Standardize on the conductivity measure screen to access the standardization screen and repeat steps 4 through 7 to standardize with up to 4 points Performing a multi point calibration will give your meter multiple standardization factors Channel 5 Conductivity in mS cm 1 413 STABLE
83. Current Standards Slope Measurement Meter Model Serial Ma Operator Print Interval LOG DATA 58 accumet excel gt lon Setup Set Data Storage Criteria XL25 50 and 60 meters This screen allows you to select which criteria are stored in the data logger with the measurement when you store the data The status of the current data storage criteria is displayed on the screen The criteria option is active if ON appears to the right of the option It is inactive if OFF appears to the right of the option Any active criteria will be stored on demand To set Data Storage Criteria 1 2 3 Touch the Touch here to edit button next to the Data Storage Criteria to access the pH Data Storage Setup screen Touch ON or OFF to change the status of a criteria you want to modify Repeat step 2 for all the remaining criteria except Data logging Interval or Data storage Interval For Data logging Interval or Data storage Interval touch MANUAL to store lon data only when the Log Data button is pushed touch STABLE to automatically store lon data when lon reading is stable or touch TIMED to set a specific timed interval in seconds to store lon data Touch OK button to accept the changes of the entire group of data storage criteria and return to the lon Setup screen Data Storage Criteria Touch here to edit Ion Data Storage Setup Date Time Channel OFF Sample ID OFF Temperature Io
84. D in the left hand side List then touch gt to add item ta the selection List To deselect records from selection List touch after selecting an item in the right hand side List To select all item touch gt gt To deselect all item touch lt lt 1 touch View Result to display measurement result of selected records 2 touch Delete Record to delete selected recods Start 13 Sep 2004 8 40 18 Available Records Selected Records End 14 Sep 2004 8 42 27 PM Bottle ID Date Bottle ID Date BOD Result Sample ID V Seed 1 intai OO 6 80 myi Final DO 5 11 mg L Delta DO i 1 69 mg L BOD i 17 BOD avg D Temperature 25 6 C ATC Pressure 763 mmHg Salinity 0 0 ppt Predilution 1 Seed Volume 30 00 mL Bottle Volume 300 00 mL Record Count 1 Record Count 0 ModelSerial 40 XL94000793 Operator Default BOD Result View Screen 150 accumet excel DO Operation OUR Measurement 40 and 60 meters This mode is used to measure Oxygen Uptake Rate OUR The OUR is used to determine the oxygen consumption or respiration rate is defined as the milligram of oxygen consumed per hour Remember to setup your OUR measuring mode parameters from the OUR Setup screen To Take OUR Measurements 1 Touch OUR Start icon to being OUR measurement 2 he screen will indicate the test is in progress with RUNNING and a timer on the mai
85. L40 and 60 meters This screen allows you to choose what information you would like to be displayed on the Measure screen particularly the information contained in the data box at the bottom of the Measurement screen The status of the current display criteria is displayed on the screen The criteria option is active if ON appears to the right of the option It is inactive if OFF appears to the right of the option To set Display Criteria 1 Touch the Touch here to edit button next to the Display Criteria to access the Display Criteria Setup screen 2 Touch ON or OFF to change the status of a criteria you want to modify 3 Repeat step 2 for all the remaining criteria except Display Resolution 4 For Display Resolution touch X to display DO with no decimal place or touch X X to display DO with one decimal place 5 Touch the OK button to accept the changes of the entire group of display criteria and return to the DO Setup screen Display Criteria Touch here to edit DO Display Criteria Setup Measurement Channel Last Standardization Sample ID Temperature Salinity ff Barometer Standardization Mode Auto Read Status Display Resolution X X 72 accumet excel The XL40 and XL60 have a memory capacity to store up to 1000 data points The View Stored Data screen allows you to sort and look at specific data points stored in the meter based on the meters memory capacity The stored data can be sorted by
86. Measurement XL40 and 60 meters To measure BOD of the Seed 1 Insert DO probe into a BOD bottle filled with your seed 2 Allow probe to stabilize for 30 minutes constantly stirring the solution 3 Touch BOD on the BOD measurement screen to enter BOD Calculation Parameter Screen Screen show current DO reading Sample Type SAMPLE SEED 4 Touch the SEED to designate BOD measurement as seed Initial DO measurement for Seed BOD calculation The Bottle ID text entry box allows you to enter the bottle ID of the sample for new reading The Select Existing ID scroll box is in the selection of Add new sample Seed option for new seed reading Bottle ID 3 Add new Sample Seed To enter Bottle ID 1 Touch the Bottle ID box 2 Use the alphanumeric keypad to enter the desired Bottle ID The BS key allows you to remove characters that are incorrectly entered 3 Touch Enter to accept current Bottle ID and return to the BOD Calculation Parameter Screen 4 After entering the Bottle ID the following Bois 1b 4 jdn new Samo text entry boxes will appear and require more information regarding the current Description Seed 1 sample Bottle Volume 300 0 mi a Description Seed Volume 30 0 mi b Seed Volume dis c Bottle Volume After entering the above parameters for a new sample reading touch Apply BOD Detail button to accept the initial reading for a seed used to calculate BOD
87. Print button from the Measurement screen will send the logged data to the printer If Timed is selected you can print data at an interval you select This data is buffered and is sent to the printer when the page is full 5 Touch OK button to accept the changes of the entire group of print criteria and return to the conductivity Setup screen Print Criteria Touch here to edit Conductivity Print Criteria Setup Date Time Channel Sample ID Cell Constant Temperature Reference Temperature Temperature Coefficient Last Standardization Meter Model Serial Operator Print Interval LOG DATA 88 accumet excel Conductivity Setup Data Storage Criteria XL20 30 50 and 60 meters This screen allows you to select which criteria are stored in the data logger with the measurement when you store the data The status of the current data storage criteria is displayed on the screen The criteria option is active if ON appears to the right of the option It is inactive if OFF appears to the right of the option Any active criteria will be stored on demand To set Data Storage Criteria 1 2 3 Touch the Touch here to edit button next to the Data Storage Criteria to access the Conductivity Data Storage Criteria Setup screen Touch ON or OFF to change the status of a criteria you want to modify Repeat step 2 for all the remaining criteria except Data logging Interval Data storage Interval
88. SE Theory XL25 50 and 60 meters This form of the Nernst equation states that the electrode potential varies directly with the log of the concentration in straight line manner and results are then expressed in the preferred concentration units The slope of the line is equal to the value of Slope S 2 3RT nF The table below gives theoretical slope values at 25 C Species Slope mV decade Species Slope mV decade Monovalent cation 59 16 Divalent cation 29 58 Monovalent anion 59 16 Divalent anion 29 58 The Nernst equation thus reduces to E E S log c lon selective Analysis Methods Direct Analysis In this method a sample concentration is determined by measuring the electrode potential and comparing to those obtained in standard solutions Normally an ionic strength adjustor and or pH adjustor must be added to both the samples and the standards This helps in that the closer the standard solution matrix is to the sample matrix the more valid is the analysis A number of standard solutions are used to standardize a pH mV ion meter or to construct a calibration curve by plotting the electrode s output in mV versus the log of the concentration The sample concentration is then read from the meter or the calibration curve The advantages of the direct method of analysis are 1 Many samples particularly those with relatively simple ionic backgrounds can be quickly measured after a single calibration proc
89. Salinity 0 0 ppt User ID Default Salinity O 0 ppt Auto Read OFF Barometer 760 0 mmHg OFF Barometer 760 0 mmHg Std Mode AUTO P MANUAL DO standardization with Auto standard DO standardization with Manual recognition standard recognition Note Allow the probe to warm up for 30 minutes after connecting it to the meter and prior to standardization 136 accumet excel gt DO Operation Standardizing XL40 and 60 meters Automatic standardization at one point Saturation A one point automatic standardization for saturation assumes the dissolved oxygen level is at saturation 100 at 760 mm Hg The meter will accept readings between 30 and 200 saturation for standardization 1 Touch Standardize on the DO measure screen to access the standardize screen 2 If the screen says Not standardized proceed to step 4 3 Touch Clear if you need to delete the previous standardization values 4 Insert DO probe into a BOD bottle filled with 1 inch of water to provide a 100 relative humidity environment Allow probe to stabilize for 30 minutes 6 The screen will flash a 100 beaker icon When the reading is stable STABLE appears on the screen Touch Confirm to standardize The meter will then return to the DO measure screen DO in Sat 4 110 1 pe 100 Last Standardization 9 Sep 2004 8 59 37 PM Standard Recognition AUT E gt ID
90. Set Display Criteria 38 View Stored 39 40 mV Setup mv Setup Screen And Function Buttons 41 Access MV SOUP 42 Set Sample 10 43 Set 4 2 44 Set Print Criteria Setup 45 Set Data Storage 46 Set Display Criteria ieiuna rra nonni 47 View Stored 48 49 lon Setup lon Setup Screen and Function Buttons 50 Access Ton siae dite Ras aiu 51 Set Sample 2 52 usme 53 Select Electrode 54 Select Measurement 54 Select Auto Read 55 Select lon Stability 55 Set Default 56 Set Temperature Compensation 57 Set Isopotential 57 Set Alarm cesis irent ree HG EXER on EC 57
91. Use the numeric keypad on the screen to enter the desired Sample ID number that you would like your sequential Sample ID assignment to begin with Every time you touch Print or Log Data on the Measure screen the Sample ID will increase by 1 The BS key will allow you to backspace to remove a character that was incorrectly entered 4 Touch Enter to accept the first sequential Sample ID and return to the Setup screen To deactivate the sample ID assignment None 1 Touch None to deactivate the sample ID assignment Sample ID MANUAL SEQUENCE NONE 65 accumet excel gt Select Measurement Units This setup option allows you to select the units of measurement for DO Choose between Saturation mg L or mbar To select Measurement Units 1 Touch Sat mg L or mbar to choose the units of measurement Measurement mgl mbar NOTE In OUR and SOUR setup modes the measurement unit cannot be changed Select Calibration Mode This option allows you to select Automatic standard recognition or manual standard recognition when standardizing With the automatic standard recognition activated the meter will automatically recognize the standard from the preset group depending upon the measurement unit selected see below and accept them when the meter recognizes the reading as stable When in the Manual standard recognition mode you must enter the standard value during the standardization procedure Th
92. View Stored Data screen When you touch the Help button information about the current screen appears This information includes step by step instructions for operating the meter from the current screen and possible applications information for that screen Touch Delete to delete a selected data point from the list To delete a data point first touch the data point you want to delete _ Export View and Header then touch the Delete button Touch Delete All to delete all the data _ Delete point in the memory NOTE Adjust column widths by touching the end of a column and dragging it to the desired in the memory width 73 accumet excel gt DO Setup View Stored Data XL40 and 60 meters Touch Export View and Header or Export View to save your data in HTML format The file can be stored in the directory NAND Store SD Card or USB thumb drive After having selected the path touch the alphanumeric keypad to name your file File Edit view Favorites Total Records address inano Store DO_SAMPLE_htm htm mu x60 16 Nov 2005 11 28 08 4 21 9 C ATC XL94000532 Sat 16 Now 2005 f 11 28 09 AM Ch4 21 9 C ATC Sat 16 Nov 2005 11 28 10 AM Ch4 21 9 C ATC Sat 16 Now 2005 11 28 11 AM Ch4 21 9 Sat 16 Nov 2005 11 28 12 AM Ch4 21 9 C ATC Sat 16 Nov 2005 11 28
93. XL Series Meters 20 25 30 40 50 60 USER Manual XL 15 Meter Table of Contents ITE ee 1 Unpacking the Meter 2 XL Series Meters Specifications 3 4 Getting Started XL Series Meters Connectors 5 8 Start up and Shut down procedures 9 pH and lon probes 11 12 Using the XL Series Meter Touch Screen 15 16 Screen Contrast 16 Using The Stylus 17 Stylus Calibration E 17 Setting Time And 18 On Screen Keyboard 19 Expansion Cards 20 Connecting To The 21 Button 2 22 25 Channel 26 27 Display SSI 28 pH Setup pH Setup Screen And Function Buttons 29 Access DH Setup en eri in 30 Set Sample 10 31 Select Buffer Group 32 Select Buffer Recognition 33 Select Auto Read Mode
94. a points stored in the memory When you touch the Help button information about the current screen appears This information includes step by step instructions for operating the meter from the current screen and possible applications information for that screen Touch Reset to reset all BOD Setup Criteria to the factory default 75 accumet excel gt BOD Setup BOD Configuration XL40 and 60 meters This screen allows you configure the BOD seed minimum Delta DO seed minimum DO endpoint sample minimum Delta DO and sample minimum DO endpoint You may set each from 0 0 to 60 0 To set BOD Configuration 1 Touch the Touch here to edit button next to the BOD Configuration to access the BOD Configuration screen 2 Touch the Seed Min Delta D O box and use the numeric keypad on the screen to enter desired value The BS key allows you to remove characters that are incorrectly entered 3 Touch Enter on the keypad to accept the value and return to the BOD Configuration screen 4 Repeat steps 2 and 3 for the remaining boxes Seed Min D O Endpoint Sample Min Delta D O and Sample Min D O Endpoint 5 Touch OK button to accept the changes of the entire BOD configuration and return to the BOD Setup screen BOD Configuration Touch here to edit BOD Configuration seed Min Delta beed Min Endpoint Sample Min Delta Sample Min D O Endpoint The Seed Minimum Delta DO refers to the difference betwe
95. actor 1 to X Minimum Time min Maximum Time min Minimum Starting D O Minimum Ending solids Weight g L 80 accumet excel Conductivity Setup Conductivity Setup Screen XL20 30 50 and 60 meters Available in XL20 XL30 XL50 and XL60 the conductivity Setup screen present many options to control the operating parameters of the meter The meter is factory set with regard to these options and is ready for use under most circumstances see Appendix XL Series Meters Factory Default Settings section for default settings The operating parameters of the conductivity mode can be set and controlled from the conductivity setup screen The conductivity Setup section will guide you through the various options available in the conductivity setup mode pHichi Setup pH ch2 Setup Setup pHiFet Setup cond Setup Sample ID MANUAL SEQUENCE NONE Conductivity 12 TE Standards rs ms Po Recognition AUTO MANUAL Single Point Multi Point Auto Read i Stable OFF Modo AUTO MANUAL Cell Constant 0 100 cm 1 000 10 00 cm Default Temperature 23 0 F K Reference Temperature ext F K Temperature Coefficient 2 100 ON Lowy us ms High 500000 ms Alarm Limits Print Criteria Touch here to edit J Data Storage Criteria Touch here to edit Display Criteria Touch here to edit J Example XL60 Conductivity Setup screen Function Buttons
96. ad function is inactive then the meter will continuously monitor any resistivity fluctuations To select Auto Read Mode 1 Touch MANUAL or AUTO to choose the desired read mode Auto Read Mode AUTO MANUAL 05 accumet excel gt XS To Select Cell Constant When you change This setup option allows you to select the appropriate cell constant cell constants your of the cell that you are using There are three cell constants to choose calibration factor will from Each is used for a different range of resistivity automatically reset to default values It is recommended that you standardize your meter to establish a new Cell Constant 0 100 cm 1 000 cm 10 00 cm calibration factor The Resistivity Cell Constant is set the same way as previously described in Conductivity Setup See Conductivity Setup Stable Indicator Auto Read Mode Cell Constant section for instructions To Set Default Temperature Resistivity is a temperature dependent measurement This option allows you to select a default temperature that the meter will use along with the temperature coefficient to calculate a temperature corrected resistivity measurement If an ATC probe is used any value entered as a default temperature will be overridden in favor of the actual measured temperature of the solution the ATC probe provides to the meter The default temperature can be set from 10 C to 110 C The Resistivity Default Temperature is set the
97. ading as stable STABLE is displayed on the measure screen With the Auto Read function deactivated the display on the measure screen will indicate any deviation in the concentration reading Ion Measurement ppm Channel 1 1 174 E5 SIABLE Last Standardization 1 Jan 2002 5 53 18 PM Current Ion Methad Direct Reading with Blank Offset gt Touch standardize icon to access standardization made Sample ID 13 25 0 C Default User ID Default 241 7 Ion Type AMMONIA 100 4 Auto Read OFF 0 6 mv 124 accumet excel gt lon Operation Incremental Methods XL25 50 and 60 meters The incremental methods which include known addition Known subtraction analate addition and analate subtraction are particularly useful with samples containing complex ionic backgrounds which cannot be matched in standards They are also useful with occasional samples whose temperatures vary More information on these methods is available in the ISE Theory Section see Appendix ISE Theory section Standardizing the meter for all incremental methods Prior to conducting an analysis using any of the incremental methods it is necessary to standardize the meter with at least two standards This will establish a slope value for the electrode in use The slope value is required in the incremental method calculations which yield the ion concentration of the sample See ISE Theory on Appendix ISE Theory section Make sure yo
98. ample ID The resistivity Sample 10 is set the same way as previously described in Conductivity Setup See Conductivity Setup Set Sample ID section for instructions Sample ID MANUAL SEQUENCE NONE 1000 To Set Calibration Point s This option also allows you to choose single point or multi point standardardization Use the single point standardization option if you are measuring samples that close in value Use the multi point standardization option if you are measuring a wide range of samples If a single point calibration is selected there will be only one calibration factor for the entire range of operation In the multi point mode there will be one for each of the 4 ranges To select Calibration Point s 1 Touch Single Point or Multi Point to choose the method of standardization Calibration Point Single Point Multi Point To Select Stable Indicator This setup option lets you turn ON or OFF the stability indicator When this function is turned on the STABLE appears when the resistivity reading is stable To select Stable indicator 1 Touch ON or OFF to turn stable indicator on or off Stable ON OFF To Select Auto Read Mode You can use this meter when the Auto Read function is active or when it is inactive When the Auto Read function is active the meter will lock onto a reading when the meter recognizes it as stable The meter will not deviate from this reading until Measure is touched If the Auto Re
99. andardization All Incremental Methods 125 Measurement Known Addition Method 126 127 Measurement Known Subtraction Method 128 129 Measurement Analate Addition Method 130 131 Measurement Analate Subtraction Method 132 133 Graphing Function 134 Warranty TERT 160 en 160 Setting the XL Series Meters User Profiles 161 163 XL Series Meters Factory Default Settings 164 166 XL Series Meters Print Function 167 168 Background and Color Adjustment 169 170 Determining Isopotential Points Experimentally esee 171 RR 172 175 ls Nlis T 176 179 Replacement 185 187 accumet excel XL 30 Meter Table of Contents tee TE ee 1 Unpacking the 2 XL Series Meters Specifications 3 4 Getting Started XL Series Meters Connectors 5 8 Start up and Shut down procedures 9 Conductivity Cells 13 Using the XL Series Meter Touch Screen 15 16 Screen Contrast
100. ar in the XL40 and XL 60 meters Dissolved Oxygen channel screen The BOD button allows you to enter the BOD Parameter Calculations Screen from the BOD measurement screen The OUR button allows you to Start and Stop the OUR measurement from the OUR measurement screen The SOUR button allows you to Start and Stop the SOUR measurement from the SOUR measurement screen The following buttons appear in all XL series meters standardization screens lt 2 Confirm Clear Cancel E E I Temp Std The Confirm button accepts current value of the buffer or standard solution The Clear button clears all previous standardization points The Cancel button cancels current standardization and returns to the measurement screen The Temp Std button allows you to check the accuracy of your temperature probe and standardize to an accurate thermometer 25 accumet excel Using the XL Series Meter Channel Assignment XL15 20 25 30 40 50 and 60 meters The XL series meters features up to five channels depending on the models you have purchased XL15 Channel 1 3 pH mV pH FET XL40 Channel 4 DO BOD OUR SOUR XL20 Channel 1 3 5 pH mV pH FET 1 50 Channel 1 2 3 5 pH mV ion pH FET Conductivity Resistivity TDS Salinity Conductivity Resistivity TDS Salinity XL25 Channel 1 2 3 pH mV ion pH FET XL 60 Channel 1 2 3 4 5 pH mV ion pH FET DO BOD OUR
101. ation 127 accumet excel gt Measuring Concentration in Samples Using the Known Subtraction Method The procedure for known subtraction is very similar to that for known addition method see lon Operation Known Addition Method section An aliquot of standard is added to a known volume of the sample The difference is that the standard does not contain the same ionic species that you are trying to measure in the sample Instead it contains an ion that will complex or precipitate the ion of interest removing it from the sample Like known addition the mV readings are taken before and after the standard is added to the sample and the difference in mV values can be used to calculate the concentration of free ions of interest in the sample This method will also require you to enter values of certain parameters in order to obtain an ion concentration See ISE Theory on Appendix ISE Theory section Taking a Known Subtraction Measurement 1 Immerse the ion selective electrode in a known volume of the sample solution Stir the sample Wait for the reading to stabilize STABLE will appear Touch KS to take the first reading Add a known volume of standard solution to the sample Wait for the reading to stabilize STABLE will appear Touch KS to take the second reading 6 Use the keypad to enter the sample volume 7 Touch Enter to accept the value 8 Use the keypad to enter the sta
102. ator electrode and a reference electrode are placed in a solution and connected to a pH mV ion meter they form a potentiometric cell At equilibrium the meter measures the potential difference between the ISE and the reference electrode This millivolt potential is proportional to the activity of the ion of interest and the relationship is defined by the Nernst equation E 2 3 RT log where nF E is the measured potential E is the sum of the standard potential and all other constant potentials of the system R is the gas constant T is the temperature in K F is Faraday s constant n is the valence of the ion being measured Activity a is not the same as concentration It is a thermodynamic function whose value is influenced by the ionic environment in which the ion exists Activity and concentration are the same in very dilute ideal solutions In non ideal solutions activity and concentration are related by an activity coefficient ISEs sense the activity of free uncomplexed ions rather than concentration However by calibrating the meter with standards with a similar ionic back ground as the sample the difference between activity and concentration becomes negligible Most often this is achieved by adding an ionic strength adjustor to both samples and standards The Nernst equation becomes 2 3 RT log c where nF c is the concentration of the ion of interest 176 accumet excel gt Appendix I
103. ault 4 Jan 2002 8 01 48 1 25 0 C Default 4 Jan 2002 8 01 46 1 25 0 C Default 4 Jan 2002 8 01 45 1 25 0 C Default 4 Jan 2002 8 01 41 1 25 0 C Default 4 Jan 2002 8 01 40 1 25 0 C Default 4 Jan 2002 a AMI 25 0 C Default Meter Model XL50 Serial No 1 25 12 Eum Date Signature Application Data Program File Documents Temp NAND Store Windows Network Name Html file html Reading mV Date time Channel 106 12 Jan 2002 3 30 53 1 42 Jan 2002 3 30 41 1 12 Jan 2002 3 30 36 AM Chi 12 Jan 2002 3 30 33 1 12 Jan 2002 3 30 21 AM Ch1 42 Jan 2002 3 30 10 1 12 Jan 2002 3 30 02 AM Ch1 12 Jan 2002 3 29 30 AM Ch1 12 Jan 2002 3 28 01 AM Chi punte aee Ur ee 250 250 25 0 25 0 25 0 12501 250 250 2501 feds 21 1121 07 e wolelrlwl gt peus Touch the alphanumeric keypad to name Export view in HTML format your file 49 accumet excel gt Ion Ch1 Setup lon Setup lon Setup Screen XL25 50 and 60 meters Available in XL25 XL 50 and XL60 meters the lon Setup screen presents many options to control the operating parameters of the meter The meter is factory set with regard to these options and is ready for use under most circumstances
104. ayed on the Salinity box 2 Touch the Salinity box and use the numeric keypad on the screen to enter the salinity of your sample The BS key allows you to remove characters that are incorrectly entered 3 Touch Enter on the keypad to accept the salinity value and return to the Setup screen Set Alarm Limits This option allows you to set alarm limits for the DO measuring mode If the DO value of the measurement is outside of the boundaries set by the minimum and maximum limits an audio and visual warning will appear to let you know that your sample measurement was outside of the set limits The Alarm Limit can be set from 0 to 600 Sat 0 to 60 mg L and 0 to 1272 mbar at the atmospheric pressure of 1013 mbar To set Alarm Limits 1 Touch ON or OFF to set the status of the alarm of DO mode 2 Touch the Low box and use numeric keypad to enter the new limit values The BS key allows you to remove characters that are incorrectly entered 3 Touch Enter on the keypad to accept this limit and return to the Setup screen 4 Touch the High box and use numeric keypad to enter the new limit values The BS key allows you to remove characters that are incorrectly entered 5 Touch Enter on the keypad to accept this limit and return to the Setup screen 69 accumet excel gt DO Setup Set Print Criteria XL40 and 60 meters This screen allows you to select which criteria are printed with the measurement when you print the data T
105. ccumet excel gt mV Operation About mV Measurement XL15 20 25 50 and 60 meters This mode is used to measure oxidation reduction potential ORP redox perform titration and to verify the function of the meter The mV measure function allows you to continuously monitor the mV potential of the electrodes in use This can be done in either absolute or relative mV In the millivolts mode the current millivolt output from the electrodes being used is monitored and displayed on the screen The meter will continually monitor the millivolts reading in this mode and will not lock onto a single reading However once the reading has become stable a STABLE will be displayed Remember to setup your mV measuring mode parameter refer to mV Setup section for instructions mV Measurement Rel mV Measurement Channel 1 45 STABLE t STABLE Sample ID 10 Temp 25 0 C Default Sample ID 10 Temp 25 0 C Default Se ee User ID Default Offset 18 9 Absolute mV measurement screen Relative mV measurement screen 117 accumet excel gt mV Operation mV Measurement XL15 20 25 50 and 60 meters In the mV mode you will be able to make measurements in either absolute or relative millivolts access the mV Setup screens and print your results to a printer or a computer Connect the electrodes you will be using to the meter Absolute mV Measurements 1 Access the mV measure scre
106. cepts the value and starts blinking When the Stable icon appears on the screen press the Confirm icon to confirm the standardization If you touched BLANK 7 The meter will return to the lon Measure screen and a beaker icon labeled blank will be displayed The blank value will be displayed on the bottom display panel Repeat if the meter has not been standardized with at least 2 standards of known ion concentration 123 accumet excel gt lon Operation Direct Reading Methods XL25 50 and 60 meters Measuring lon Concentration in the Direct Reading with Blank Offset Mode With Auto Read on 1 Add ionic strength adjuster to the samples 2 Immerse the ion selective electrode in the stirring sample 3 Touch Measure When the meter recognizes the reading as stable STABLE will appear on the screen The value that appears on the screen is the value of the sample minus the value of the blank reading The measure screen will fix on this measurement and will not deviate until Measure is touched again 4 Repeat steps 1 3 with additional samples The meter will update the reading each time Measure is touched Please note that STABLE will only appear if you have completed a successful two point calibration With Auto Read off 1 Add ionic strength adjuster to the sample 2 Immerse the ion selective electrode in the stirring sample The meter will continually monitor the ion concentration value When the meter recognizes the re
107. cribed in section Conductivity Setup Set Alarm be applied to the Limits measurement Temperature coefficient 2 100 itn 96 accumet excel gt Resistivity Setup XL20 30 50 and 60 meters To Set Alarm Limits This option allows you to set alarm limits for the resistivity measuring mode If the resistivity value of the measurement is outside of the boundaries set by the minimum and maximum limits audible and visual warnings will let you know that your sample measurement was outside of the set limits The Alarm Limit can be set from 3 000 Ohm to 100 000 M Ohm To set Alarm Limits 1 Touch ON or OFF to set the status of the alarm of resistivity mode 2 Touch the Low box and use numeric keypad to enter the new limit values 3 Touch Enter on the keypad to accept this limit and return to the resistivity Setup screen 4 Touch Ohm KOhm or MOhm to select resistivity units of low alarm value 5 Touch the High box and use numeric keypad to enter the new limit values 6 Touch Enter on the keypad to accept this limit and return to the resistivity Setup screen 7 Touch Ohm KOhm or MOhm to select resistivity units of high alarm value ON Lowy 3 000 Alarm Limits High 106 008 Ohm To Set Print Criteria This screen allows you to select which criteria are printed with the measurement when you print the data or send it to a computer The status of the current print criteria is displayed on the screen The criteria
108. ct Auto Read 67 Select Temperature 68 Set 2 68 69 Set Alarm NIRE TRE TT 69 Set Print Crena 70 Set Data Storage 71 Set Display Criteria 72 View Stored 73 74 BOD Setup BOD Setup Screen and Function Buttons 75 BOD err 76 OUR Setup OUR Setup Screen and Function Buttons 75 OUR 78 SOUR Setup SOUR Setup Screen And Function Buttons 79 SOUR Configuration 80 vi DO Operation STANDARDIZING emm 135 141 About DO 2 135 136 Automatic at One Point Saturation 137 Automatic at Two Points Saturation 138 Automatic at One 139 Manual at One Point saturation and mg L 140 Temperature Standardization 141 142 152 About DO
109. ction Buttons 99 Access TDS SQUID onere 100 101 Set Calibration 101 Select Stable 101 Select Auto Read Mode 101 Select Cell Constant 2 22 102 Sel TDS ACI ON Erain 102 Set Default Temperature 102 Set Reference Temperature 102 Set Temperature Coefficient 103 Set Alarm Limits 2 2 103 Set Print Criteria 103 Set Data Storage Criteria 104 Set Display 104 View Stored 2 104 Salinity Setup Salinity Setup Screen and Function Buttons 105 Access Salinity 106 Set Sample 0 107 Set Calibration Points 107 Select Stable 107 Select Auto Read Mode 107 Select Cell Constant 108 Set
110. cumet excel gt Using the XL Series Meter Button Functions XL15 20 25 30 40 50 and 60 meters The following button appears in all XL series meters single channel screens The Print button will send information to the output device that is connected to your meter If you selected the Log data option in the Print criteria setup clicking on the print button will dump the logged data to the printer The Standardize button accesses the standardization screen from the various measure modes and initiates standardization of the meter once the standardization screen is accessed Not available from mV screen Standardize The Measure button directs the meter to measure your sample when in the Auto Read function Not available from mV BOD OUR and SOUR screens Measure The following buttons appear in the XL15 XL20 XL25 XL50 and XL60 meters mV single channel screen 2 rel mV abs mV The rel mV button returns the meter into the relative millivolt mode when in the absolute mV mode When this mode is activated a window will appear asking you to set a relative mV value or accept the default value of 0 mV This feature may assist the user to standardize certain analytical and monitoring activities such as titration The abs mV button returns the meter to absolute millivolt mode when the meter is in relative mV mode It only appears when the meter is in the relative mV mode The following buttons appe
111. d data to the printer If Timed is selected you can print data at an interval you select This data is buffered and is sent to the printer when the page is full 5 Touch OK button to accept the changes of the entire group of print criteria and return to the pH pH FET Setup screen Print Criteria Touch here to edit pH Print Criteria Setup Date Time Channel Sample Temperature Last Standardization Current Buffers Slope mw Measurement Meter Model Serial Ma Operator Print Interval LOG DAT m T 36 accumet excel gt pH Setup Set Data Storage Criteria XL15 20 25 50 and 60 meters This screen allows you to select which criteria are stored in the data logger with the measurement when you store the data The status of the current data storage criteria is displayed on the screen The criteria option is active if ON appears to the right of the option It is inactive if OFF appears to the right of the option Any active criteria will be stored on demand To set Data Storage Criteria 1 Touch the Touch here to edit button next to the Data Storage Criteria to access the pH Data Storage Setup screen 2 Touch ON or OFF to change the status of a criteria you want to modify 3 Repeat step 1 for all the remaining criteria except Data logging Interval or Data storage Interval 4 For Data logging Interval or Data storage Interval touch MANUAL to log pH data only when the L
112. d is useful when no ion specific electrode is available to measure the ion of interest directly Like known subtraction the sample and the standard contain different ionic species However the ion being measured is in the standard and not in the sample The reduction of free ions in the standard solution is proportional to the concentration of the ion of interest in the sample See ISE Theory on Appendix ISE Theory section Taking an Analate Subtraction Measurement 1 Immerse the ion selective electrode in a known volume of the standard solution Stir the standard Wait for the reading to stabilize STABLE will appear Touch AS to take the first reading Add a known volume of sample solution to the standard Wait for the reading to stabilize STABLE will appear Touch AS to take the second reading 6 Use the keypad to enter the sample volume 7 Touch Enter to accept the value 8 Use the keypad to enter the standard volume 9 1 A ON Touch Enter to accept the value 0 Use the keypad to enter the volume of ionic strength adjuster used If no ISA was used enter a value of zero 11 Touch Enter to accept the value 12 Use the keypad to enter the concentration of the standard solution 13 Touch Enter to accept the value Your Analate Subtraction result is now displayed 14 Touch Print to send the data to a printer OR Touch OK to return to the Measure screen for a new measurement 132 accumet exc
113. d the BNC by plugging it into the FET jack on the back meter shorting cap panel Allow the AccuFET to warm up five minutes before use Connect ion specific electrodes in the same manner as pH electrodes 11 accumet excel gt Getting Started pH and lon Probes XL15 20 25 50 and 60 meters 3 Rinse and blot dry don t wipe electrodes between each measurement Rinse electrodes with distilled or deionized water or a portion of the next solution to be measured 4 Between measurements store conventional pH electrodes in electrode storage solution pH 4 buffer or KCI solution Always leave the filling hole of liquid filled combination electrodes open Refill when the level of solution gets below the manufacturer s recommended level Store ion specific electrodes according to electrode manufacturer s recommendations e Proper electrode care is fundamental to obtaining reliable pH measurements Improper care of the electrode may cause the meter reading to drift respond slowly or produce erroneous readings For this reason the electrode should always be conditioned and used in accordance with manufacturer s instructions 12 accumet excel gt Getting Started Conductivity Cells XL20 30 50 and 60 meters XL series meter XL20 XL30 XL50 and XL60 allows you to use two types of conductivity cells the 2 cell conductivity cell and the 4 cell conductivity cell with DIN connector Only
114. dardization 25 7 Current Temperature Standardization Temperature ELI Kaj 114 accumet excel gt pH Operation pH Measurements XL15 20 25 50 and 60 meters The measure screen provides readout of the current sample measurement You pH Measure Channel 1 can use this meter when the Auto Read function is active or when it is inactive 4 000 When the auto read function is active E the meter will lock onto a reading when ALI the meter recognizes it as stable The E 700 1000 200 meter will not deviate from this reading a Last Standardization 7 Mar 2004 4 06 37 until the Measure button is touched Buffer Group LISA If the Auto Read mode is inactive then the meter will continuously monitor the pH of the sample and the measure display screen will indicate any fluctuation in the sample pH Regardless of the status of the Auto Read mode STABLE will flash as the meter recognizes the measurement as stable gt Touch measure icon to measure sample gt Touch standardize icon to access standardiztion mode Once the meter is standardized you are ready to take pH measurements of your 25 5 C ATC sample 9 101 395 1 8 mV pH Measure screen with Auto Read OFF To Measure pH of a Sample with Auto Read ON 1 Immerse the rinsed electrode s in the sample and stir gently 2 Touch Measure to begin measuring your sample The meter will accept the
115. de This scale was originally devised for seawater and is based on seawater at 15 degrees Centigrade has a conductivity equivalent to that of a potassium chloride solution of a known concentration This solution 0 44 molal is defined as having a salinity of 35 ppt Note pom parts per million ppt parts per thousand 1000 ppm 1 ppt The total dissolved solids scale approximates the ppm TDS in surface waters by multiplying the conductivity of a sample by a factor 0 66 Some users prefer the use of resistivity units to describe their water particularly where high purity water is involved The unit most often used to describe resistivity is megohmecm which is simply the reciprocal of conductivity uS cm The chart below shows the relationship between these units Conductivity 5 Resistivity megohm cm 10 0 0 1 Conductivity Measurement accumet conductivity electrodes consist of glass or epoxy bodies in which platinum or platinized sensing elements are fixed Typically each electrode has two such sensing elements and are designated two cell electrodes The previous discussion has focused on this type of electrode Four cell electrodes are also available and the theory and application of these are in a separate section These sensors contact the solution whose conductivity value is sought The exact cell constant of the electrode must be determined prior to measuring the sample In essence this is accomplished by
116. de the alarm limit can be set from pH to 14 pH To set Alarm Limits 1 Touch ON or OFF to set the status of the alarm of pH pH FET mode 2 Touch the Low box and use keypad to enter the new limit values 3 Touch Enter on the keypad to accept this limit and return to the pH pH FET Setup screen 4 Touch the High box and use keypad to enter the new limit values 5 Touch Enter on the keypad to accept this limit and return to the pH pH FET Setup screen ON Low 2 00 pH Alarm Limits OFF High 20 00 pH 35 accumet excel gt pH Setup Set Print Criteria XL15 20 25 50 and 60 meters This screen allows you to select which criteria are printed with the measurement when you print the data The status of the current print criteria is displayed on the screen The criteria option is active if ON appears to the right of the option It is inactive if OFF appears to the right of the option Any active criteria will be printed on demand To set Print Criteria 1 Touch the Touch here to edit button next to the Print Criteria to access the pH Print Criteria Setup screen 2 Touch ON or OFF to change the status of a criteria you want to modify 3 Repeat step 2 for all the remaining criteria except Print Interval or Print Option 4 For Print Interval or Print Option select between Log Data and Timed If Log Data is selected clicking on the Print button from the Measurement screen will send the logge
117. dization option if you are measuring samples that close in value Use the multi point standardization option if you are measuring a wide range of samples If a single point calibration is selected there will be only one calibration factor for the entire range of operation In the multi point mode there will be one for each of the 4 ranges To select Calibration Point s 1 Touch Single Point or Multi Point to choose the method of standardization Calibration Point Single Point Multi Point To Select Stable Indicator This setup option lets you turn ON or OFF the stability indicator When this function is turned on the STABLE appears when the TDS reading is stable To select Stable indicator 1 Touch ON or OFF to turn stable indicator on or off Stable ON OFF To Select Auto Read Mode You can use this meter when the Auto Read function is active or when it is inactive When the Auto Read function is active the meter will lock onto a reading when the meter recognizes it as stable The meter will not deviate from this reading until Measure is touched If the Auto Read function is inactive then the meter will continuously monitor any TDS fluctuations To select Auto Read Mode 1 Touch MANUAL or AUTO to choose the desired read mode Auto Read Made AUTO MANUAL 101 accumet excel gt f To Select Cell Constant This setup option allows you to select the appropriate cell constant of When you change the cell that y
118. e Electrode Type m Display Display Resoultion E 60 accumet excel gt lon Setup View Stored Data XL25 50 and 60 meters The XL series meters have a memory capacity to store up to 1000 data points The View Stored Data screen allows you to sort and look at specific data points stored in the meter based on the meters memory capacity The stored data can be sorted by any of the parameters available in the screen header The meter stores lon data under the following parameters Reading mV measurement Date Time Channel Slope Sample Id Last Standardization Temperature Meter Model Serial No Current Buffers Operator To View Stored Data 1 Touch the View button in the mV Setup screen Function buttons on View Stored Data Screen Touch OK to go back to the lon Setup screen from the View Stored Data screen When you touch the Help button information about the current screen appears This information includes step by step instructions for operating the meter from the current screen and possible applications information for that screen Touch Delete to delete a selected data point from the list To delete a data point first touch the data point you want to delete then touch the Delete button Touch Delete All to delete all the data point in the memory Touch Print to print all the data points in the memory See next page for Export View and Header or Export View explanation Total Rec
119. e the message states the measurement has been stopped Touch OK to confirm either message Another dialog box appears asking if you wish to save current SOUR result Touch OK to save or Cancel to erase and return to SOUR measurement screen If you touched OK a new dialog box appears to ask if you want to view the results Touch OK to proceed to the Result View screen showing SOUR value and other important test details Touch Exit to exit Result View screen and return to SOUR measurement screen Touch Delete All to delete all SOUR test results in memory OR Touch Print to send the SOUR test results to a computer or printer Resul View 1 6 5 SOUR Measurement Result 13 Sep 2004 8 25 29 1 24 Min Sec gt 4 S0UR Result mat Sample ID intial DO te 30 04 mg l Standard Heoogmtion AUTO Final DO 9 40 SOUR 370 10 mg hr g Touch Stop icon to stop measurement lapsed Time 3 316 Min Sec Touch Standardize icon to access standandization mode Temperature 25 6 C ATC Pressure gt 763 mmHg Predilution 1 Salinity t 0 0 ppt Sample ID User ID Std Mode Solid Weight 5 1 0 Model Serial No i KLAD XL94000193 Operator i Default 57 Temp Detauit Salinity AUTO 12 20 SOUR measurement in progress SOUR Measurement View Result Screen 152 accumet excel DO Operation Graphing Function 40 and 60 mete
120. e after the meter is switched on the screen will display page cannot be displayed Using a Favorites List With Pocket Internet Explorer and a connection to the Internet you can view Web sites on your XL series meter by selecting one from your Favorites list To select a Web site from your Favorites list 1 From the Start menu tap Internet Explorer 2 Tap the Favorites icon and the Web site you want to view 21 accumet excel gt The touch screen of your XL series bench meter has buttons along the right side of the screen that are common to many of the screens The following indicates the function of these common buttons Channel 1 AS 2 Channel 2 435 id Channel 3 224 25 Channel 4 AS Channel 5 Setup Log Data e2 Profile Home Logoff Help The Channel 1 Channel 2 Channel 3 Channel 4 and Channel 5 buttons access the single display screen corresponding to each channel If you wish to perform standardization or printing from any of the channels you need to use single channel mode The Graph can only be viewed in the single channel mode Channel 1 pH mV or ion channel Available in XL15 XL20 XL25 XL50 and XL60 Channel 2 pH mV or ion channel Available in XL25 XL50 and XL60 Channel 3 pH FET channel Available in XL15 XL20 XL25 XL50 and XL60 Channel 4 DO BOD OUR SOUR channel Available in XL40 and XL60 Channel 5 C
121. e meter will accept the manually entered standard once the measurement is stable This option also allows you to choose one point or two point standardization To select Standard Recognition 1 Touch Auto or Manual to choose the method of standard recognition To select Standardization Points 1 Touch Single Point or Multi Point to choose the method of standardization saturation Calibration Mode Options Auto calibration and one point 10096 saturation Auto calibration and two point 0 and 100 saturation Manual calibration and one point mg L Calibration Mode Options Auto calibration and one point 8 26 mg L e Manual calibration and one point There are no calibration options for mbar 66 accumet excel DO Setup Select Stable Indicator Select Auto Read Mode XL40 and 60 meters Select Stable indicator This setup option also lets you turn ON or OFF the stability indicator When this function is turned on the STABLE appears when the DO reading is stable This option also allows the user to choose how fast Fast Med and Slow the meter will accept a measurement or standardization as stable Choosing the Slow setting requires the meter to wait a longer time period before accepting the measurement as stable this reflects the highest level of precision To select Stable indicator 1 Touch ON or OFF to turn stable indicator on or off To select Stable indicator speed 1 Touch Fast Med or Slow
122. e standardization procedure you may accept the buffer value before the meter recognizes it as stable by touching confirm See pH Setup Select Auto Read Mode section to select desired buffer recognition Remember to setup your pH measuring mode parameters Refer to the pH Setup section for instructions Connect the electrodes you will be using to the meter Touch the Channel 1 2 or 3 buttons single pH channel screen to access the standardization screen Standardization is not available from multiple display modes Channel 1 7 00 STABLE gt Touch standardize icon to access standardiztion mode Show Graph Temp 25 5 ATC 0 0 j A pH measure screen without standardization 111 accumet excel gt pH Operation Standardizing XL15 20 25 50 and 60 meters To Standardize the meter with Auto Buffer Recognition 1 Make sure Auto Buffer Recognition is selected in the Setup screen 2 Immerse your rinsed electrode s and temperature probe in a buffer solution from the selected buffer group that you chose during the pH setup process and stir gently The selected buffer group appears on the standardization screen 3 Touch Standardize on the Channel 1 2 or 3 pH measure screen to access the standardization screen 4 Touch Clear if necessary to delete all previous standardization values If the screen says Not standardized proceed to step 5 5 The scre
123. ecognition 156 Temperature Standardization 157 Conductivity Measurement 158 Graphing Function 159 Warranty e 160 Compliance 160 Appendix Setting the XL Series Meters User Profiles 161 163 XL Series Meters Factory Default Settings 164 166 XL Series Meters 167 168 Background and Color Adjustment 169 170 Determining Isopotential Points Experimentally rixae dee hw rc ERR PESE 171 s uM Ia MR TR 172 175 181 Conductivity 182 184 Replacement 185 187 excel gt XL 25 Meter Table of Contents tee TE ee 1 Unpacking the 2 XL Series Meters Specifications 3 4 Getting Started XL Series Meters Connectors 5 8 Start up and Shut down procedures 9 pH and lon 11 12 Using the XL Series Meter Touc
124. edure 2 The technique is valid over a wide range of concentrations 3 Sample volume values are not required and may also vary over a wide range 177 accumet excel gt Incremental Methods These procedures can reduce errors caused by temperature variations complex matrices and complexation They are also useful for applications where only occasional samples are analyzed Incremental methods include Known Addition Known Subtraction Analyte Addition and Analyte Subtraction Known Addition and Known Subtraction With the Known Addition and Known Subtraction methods the initial millivolt output of the electrode in the sample solution is measured Then an aliquot of standard solution is added and a final millivolt potential is measured The concentration of the sample can then be computed from the observed change in the millivolt readings before and after the addition The techniques differ in that with Known Addition the standard added is the same ionic species as that being measured With Known Subtraction the measured ion is not the same as the one being added via the standard For example a chloride ISE can be immersed in sample for a chloride measurement If a silver standard is added to the sample AgCl precipitates effectively removing or subtracting chloride ion from the sample Equations for known addition and known subtraction calculations are as follow Known Addition C std V std V Veta 10
125. ee isotherms which should resemble the plot in either figure 1 or figure 2 In figure 2 the Isopotential Point is well defined as the intersection point of the three Isotherms pX so E iso The Isopotential Point is not so well defined in figure 1 but a value may be interpolated with some accepted error T Figure 1 Figure 2 T ISOPOTENTIAL POINT _ISOPOTENTIAL X LE p iso iso AREA pH N 9 171 accumet excel gt Appendix pH Theory XL15 20 25 50 and 60 meters Since its introduction by the Danish chemist Sorensen in 1909 pH measurement has become one of the most commonly used and important measurements in both laboratory and industrial settings pH measurement and control is vital to a wide array of endeavors including municipal and industrial wastewater treatment and textile pharmaceutical food and petroleum production Even our very existence itself is dependent upon pH Most organisms can exist only within a narrow pH range In humans for example the pH of blood must be maintained within the pH range of 7 3 to 7 4 In general pH is a measure of the degree of acidity or alkalinity of a substance It is related to the effective acid concentration activity of a solution by this defining equation pH log with a H30 representing the activity or effective concentration of the hydronium ion in solution Analysts traditionally work with concentration uni
126. el gt lon Operation Analate Subtraction Method XL25 50 and 60 meters Ion Measurement mY Channel 1 Ion Measurement mv Channel 1 65 5 STABLE Analate Subtraction Result Last Standardization 19 Jul 2004 10 15 04 PM 2 Yi Current Ion Method Analate Subtraction u 40 3 Calculated Slope y Reading 1 Show Graph Reading 2 1 Sample Yolume Standard volume ISA Volume Sample ID 11 Temp 25 0 C Default User ID Default mv 65 5 Ion Type CAT Slope 103 5 Auto Read OFF Blank Ofs Standard Concentration 133 accumet excel gt lon Operation Graphing Function XL25 50 and 60 meters You can view your data as a real time graph on screen to display ion concentration changes over time The graph refreshes every hour from the start of graphing 1 To view your data in graph format touch Show Graph 2 To start plotting data touch Start Plotting To stop plotting data touch Stop Plotting Once the plotting is stopped the displayed graph can be dragged left right and up down 3 To view your data more closely touch Zoom In To view more data at one time touch Zoom Out 4 To hide the graph touch Hide Graph Time Elapsed 0 hour 134 accumet excel gt DO Operation XL40 and 60 meters The XL40 and XL60 meters allow you to measure DO BOD OUR and SOUR Each mode is independent from one another and needs to be standardized separat
127. ely However the basic procedure for standardization is similar for each mode This manual will focus on DO standardization Since each measurement mode differs there will be separate measurement sections for each DO measure dissolved oxygen BOD measures Biochemical Oxygen Demand OUR measures Oxygen Uptake Rate and SOUR measures Specific Oxygen Uptake Rate The DO and BOD mode can measure in Saturation mg L or mbar see Setup section to choose Before measuring DO BOD OUR or SOUR you will need to standardize the meter using standards with known Saturation or mg L This meter can perform a one or two point standardization You will need to set your meter to one or two point calibration in the Setup mode for DO or BOD OUR and SOUR can only calibrated at one point in mg L You also have to use the Setup mode set Auto or Manual calibration available for all measuring modes The 96 Saturation measuring units has the following options to set Auto calibration and one point 100 saturation Auto calibration and two point O and 100 saturation and Manual calibration and one point input by user The mg L measuring units has the following options to set Auto calibration and one point 8 26 mg L and Manual calibration and one point input by user There are no calibration options for mbar measuring units The meter will continually monitor the DO BOD OUR or SOUR reading in this mode and will not lock onto a single reading Howeve
128. emperature such as a temperature bath for a few minutes while temperature stabilizes Touch Temp Std to access temperature standardization The Temperature Standardization screen appears Check the current temperature displayed with that of the solution of known temperature Touch the Standardization Temperature box and use numeric keypad to enter the current temperature Press Enter to confirm value Touch OK to confirm Standardization Temperature and return to the DO Measure screen Touch Reset to reset and enter a new standardization temperature Touch Cancel to cancel temperature standardization and return to the DO Standardization screen Note The meter will not allow entered value to exceed 5 C of the ATC probe value If entered value exceeds 5 C an error window will appear and you will have to re enter value or cancel out of the temperature screen This might indicate that you have a faulty ATC probe Temperature Standardization Current Temperature 25 1 F standardization Temperature C 9 141 accumet excel gt DO Operation BOD Measurement XL40 and 60 meters The measurement mode is used to measure Dissolved Oxygen DO in Sat mg L or mbar The DO measure screen provides a readout from the DO probe attached to the meter Before measuring DO you will need to standardize your probe see DO Operation Standardizing section for details It is good practice to standardize the probe dai
129. emperature Operator Viewing Stored Salinity Data is done the same way as previously described in Conductivity Setup See Conductivity Setup View Stored Data section for instructions OK Cancel View Help Reset 110 accumet excel gt pH Operation About pH Measurement XL15 20 25 50 and 60 meters For the XL15 XL20 XL25 XL50 and XL60 meters in the pH measurement mode you will able to measure the pH of a wide variety of samples Before measuring pH you will need to standardize the meter using buffers with known pH values It is good practice to standardize the meter frequently using a minimum of two buffers Using two buffers allows the meter to calculate and display an actual slope for the electrode and therefore produce more accurate measurements If there is no standardization in the memory of the meter or if only one buffer has been used to standardize the meter the slope value will appear as You can standardize your meter using automatic or manual buffer recognition With the Automatic buffer recognition activated ON the meter will automatically recognize the buffers from the chosen buffer group and flash the current buffer When the reading is stable you must confirm the buffer In the Manual buffer recognition mode you must enter the buffer value during the standardization procedure The meter will flash the manually entered buffer you must confirm the buffer when the reading is stable During th
130. emperature of the solution provided to the meter by the ATC probe The default temperature can be set from 10 C to 110 C To set Default Temperature 1 Select temperature units by touching the appropriate unit button C Celsius F Fahrenheit or K Kelvin 2 Touch the Default Temperature box and use the numeric keypad to enter the desired default temperature 10 C to 110 C 3 Press Enter in the keypad to return to conductivity Setup screen Reference Temperature 25 0 C F K accumet conductivity cells for the XL60 have a built in Temperature sensor Set Reference Temperature This setup option allows you to select the reference temperature to be used in the determination of the conductivity of your sample The reference temperature is the temperature to which the conductivity readings would be normalized The reference temperature can be set from 15 C to 30 C To set Reference Temperature 1 Select temperature units by touching the appropriate unit button C Celsius F Fahrenheit or K Kelvin 2 Touch the Reference Temperature box and use the numeric keypad to enter the desired default temperature 15 C to 30 C 3 Press Enter in the keypad to return to conductivity Setup screen Reference Temperature 25 0 C F K Note The units of all temperature parameters must match The meter will automatically modify the temperature units of Default Temperature and Reference Temperature to match the last choice
131. en 2 Double tap the Display Contrast icon 3 Tap the up and down arrows to select your desired contrast level 4 Tap the Close key to exit control adjustment Contrast Adjustment 715 Contrast 16 accumet excel Your XL series meter comes with a stylus that you should use to tap on your screen The stylus easily stores inside the back panel of the meter You can perform two basic actions using the stylus Tap Lightly touch the screen to select or open an item Lift the stylus after you tap an item Tapping is equivalent to clicking an item with the mouse on your personal computer Note Some program items require a double tap to select or launch Double tap on the icons from the Desktop Home page and single click in the XL series icon application Drag Place the point of the stylus on the screen and drag an item across the screen without lifting the stylus until you have completed the selection Dragging is equivalent to dragging with the left mouse button pressed on your personal computer Stylus Calibration If the meter is not responding properly to your taps you may need to recalibrate your screen 1 From the HOME screen tap the bottom edge of the screen to access the Task bar Tap Start gt Settings gt Control Panel This launches the Control Panel screen Double tap the Stylus icon Tap the Calibration tab to access the calibration screen Tap the Recalibrate button Carefully ta
132. en This measured value will be used by the meter to make pH calculations 34 accumet excel gt pH Setup Set Alarm Limits XL15 20 25 50 and 60 meters To set Isopotential Point The isopotential point is the millivolt reading for an electrode at which temperature has no effect on the measurement pH electrodes are constructed so that the isopotential point is theoretically zero millivolts This is very close to a pH of 7 Most pH electrodes do not achieve this value precisely However they are close enough so that it is not usually necessary to use an isopotential point other than zero The true isopotential point of any given electrode must be determined experimentally See Appendix Determining Isopotential Points Experimentally The isopotential point can be set from 100 to 100 To set Isopotential Point 1 Touch the Isopotential Point box and use the numeric keypad to enter the desired mV setting for the new isopotential point 2 Touch Enter to accept this value and return to pH pH FET Setup screen Isopotential Point 0 0 To set Alarm Limits This option allows you to set alarm limits for the pH measuring mode If the pH value of the measurement is outside of the boundaries set by the minimum and maximum limits audible and visual warnings will let you know that your sample measurement was outside of the set limits For the pH mode the alarm limit can be set from 2 pH to 20 pH As for the pH FET mo
133. en from the main screen 2 Immerse the rinsed electrode s in the sample and stir gently 3 Record the measurement when STABLE is displayed Relative mV Standardization and Measurement In the relative mV mode we have an option either to adjust the displayed value within a 150 mV window or equate it to zero 1 Access the mV Measure screen from the main screen 2 Immerse the rinsed electrode s in the mV ORP standard solution and wait for STABLE to appear 3 Touch rel mV to access the Relative mV screen When rel mV is touched a dialog box appears 4 Touch SET to set relative mV using numeric keypad and press Enter to confirm value Touch set to set relative mV or Touch default to accept the default value OR mwv Touch DEFAULT to accept the default b m OR Touch CANCEL to cancel and return to previous screen 5 The meter is now ready to take relative mV measurements Rinse the electrode with water and shake dry Do not wipe the electrode Wiping the electrode can cause a static charge on the glass bulb that will result in inaccurate readings 118 accumet excel gt mV Operation Graphing Function XL15 20 25 50 and 60 meters You can view your data as a real time graph on screen to display mV changes over time Time is plotted in seconds The graph refreshes every hour from the start of graphing 1 To view your data in graph format touch Show Graph 2 To start plotting data touch Start P
134. en the initial and final DO measurements for the seed used If the delta is less than the minimum value entered that BOD value will not be used to calculate seed values The seed must exhibit a final DO value greater than the Seed Minimum DO Endpoint value entered If not it will not be used in computing seed values The Sample Minimum Delta DO refers to the difference between the initial and final value DO measurements of the sample If the difference is less than the minimum value entered that BOD value will not be used to calculate average BOD measurements The sample must exhibit a final DO value greater than the Sample Minimum DO Endpoint value entered If not it will not be used in computing average BOD values 76 accumet excel gt OUR Setup OUR Setup Screen XL40 and 60 meters The OUR Setup screen present many options to control the operating parameters of the meter The meter is factory set with regard to these options and is ready for use under most circumstances see Appendix XL Series Meters Factory Default Settings section for default settings The operating parameters of the OUR mode can be set and controlled from the OUR setup screen The OUR setup screens are virtually identical to the DO setup screens with exceptions noted The previous section on the DO Setup will guide you through the various options available in the OUR setup mode The main difference is the OUR has a configuration to edit in the setup mode
135. en will flash a beaker icon of the buffer solution you have selected When the reading is stable STABLE appears on the screen 6 Touch Confirm to standardize buffer The meter will return to the pH measure screen 7 Touch Standardize on the pH measure screen to access the standardization screen Repeat process to standardize with up to 5 buffers The efficiency of the electrode is reported as the slope When doing a multi point standardization the slopes of the individual segment are calculated by the meter The slope that appears on the screen is the slope applicable to that zone in which the measurement is currently being made For optimal results the meter should be standardized at a minimum of every 8 hours For more accurate measurements the meter should be standardized more frequently If there is no previous standardization there is no need to click the Clear button If your meter already has a calibration in memory click Clear if you need to clear the previous calibration values pH Standardize Channel 1 pH Measure Channel 1 12 000 1 12 000 STABLE CENE D NND PER A 7 J Ld e N Last Standardization 7 Mar 2004 10 06 37 PM d Last Standardization 7 Mar 2004 4 06 37 E Buffer Group USA E Buffer Group LUSA gt Touch Confirm to Standardize the buffer gt Touch standardize icon to access standardiztion mode gt Touch Clear to
136. ent XL 15 20 25 30 40 50 and 60 meters To assign name to your background and text setting and to include it into your My Favorites list From the Custom Display Color Setting Screen touch the Add to Favorites button to assign name to your selected background and text color Type a name for your current selected background and text color and touch Enter to include it into your My Favorites list The assigned Setting ID will be listed in My Favorites Color Setting box PEE Doogee 088988 ogcgoa 98890 08088 3 3 3 3 2 3 222000 Caps Close p chs l lt Conductivity Functions buttons on My Favorites Color Setting Screen My Favorites Color Setting My Favorites Color Setting box displays all the background and text settings that have been saved by the user To select setting from Favorites list tap My Favorites button Click the Setting ID that you want to use from the My Favorites Color Setting box and tap Apply amp Close button to apply the settings Setting ID Background Color Text Color To delete setting from the Favorites list click the Setting ID and tap Delete Setting button Touch Back button to go to System Setup box 170 accumet excel gt Appendix Determining Isopotenial Points Experimentally XL15 20 25 50 and 60 meters The isopotential point of an electrode system is the point at which electrode potential is unaffected by a change
137. entration from the value for the sample See ISE Theory on Appendix ISE Theory section To Standardize the Meter Using Direct reading with Blank Offset You will need to standardize the meter with one blank and a minimum of two standards Make sure that you have selected Direct Reading with Blank Offset on the lon Setup screen 1 Add ionic strength adjuster to the standards and the blank 2 Immerse the ion selective electrode in the blank or standard containing the lowest concentration of the ion of interest 3 Stir the standard or blank 4 Touch Standardize to initiate the lon Standardization standardization process At this point the meter will display the question Is this reading standard or blank Direct Reading With Blank Offset 5 Touch STANDARD if the sample that the electrode is immersed in is an lon standard solution OR Touch BLANK if the sample that the electrode is immersed in is You have selected the lon standardization method Is this Reading STANDARD or BLANK the blank solution STANDARD BLANK CLEAR CANCEL If you touched STANDARD Ion AMMONIA Slope 6 The Meter goes to the Auto Read OFF Blank Ofs Standardization screen The screen will flash each standard icon once then a numeric keypad will appear Using the displayed keypad input the value of the standard that you are using to standardize the meter Touch Enter to accept this value The meter ac
138. epresentation or warranty made prior to purchase of any product and not set forth in writing and signed by a duly authorized officer of Fisher shall not be enforceable by the purchaser FISHER EXPRESSLY DISCLAIMS ALL OTHER WARRANTIES EXPRESS OR IMPLIED INCLUDING THE IMPLIED WARRANTY OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE Fisher s sole responsibility and the purchaser s exclusive remedy for any claim arising out of the purchase of any product listed above is repair replacement or credit as described above where applicable In no event 1 shall the cost of the exclusive remedy exceed the purchase price 2 shall Fisher be liable for any special indirect incidental consequential or exemplary damages howsoever arising even if Fisher has been advised of the possibility of such damages Each article that Fisher furnishes will conform to the written specifications given in this manual or those of a further improved model Changes are made often to the information in the manual and will be incorporated into future editions Notice of Compliance WARNING This meter generates uses and can radiate radio frequency energy If not installed and used properly that is in strict accordance with the manufacturer s instructions it may cause interference to radio communications It has been tested and found to comply with the limits for a Class A computing device pursuant to Subpart J of Part 15 of FCC Rules which are designed to pr
139. er on the keypad to accept this limit and return to the lon Setup screen Alarm Limits 57 accumet excel gt lon Setup Set Print Criteria XL25 50 and 60 meters This screen allows you to select which criteria are printed with the measurement when you print the data The status of the current print criteria is displayed on the screen The criteria option is active if ON appears to the right of the option It is inactive if OFF appears to the right of the option Any active criteria will be printed on demand To set Print Criteria 1 Touch the Touch here to edit button next to the Print Criteria to access the lon Print Criteria Setup screen 2 Touch ON or OFF to change the status of a criteria you want to modify 3 Repeat step 2 for all the remaining criteria except Print Interval or Print Option 4 For Print Interval or Print Option select between Log Data and Timed If Log Data is selected clicking on the Print button from the Measurement screen will send the logged data to the printer If Timed is selected you can print data at an interval you select This data is buffered and is sent to the printer when the page is full 5 Touch OK button to accept the changes of the entire group of print criteria and return to the lon Setup screen Print Criteria Touch here to edit Ion Print Criteria Setup Date Time Channel Sample ID Temperature Ion Methad Electrode Type Last Standardization
140. etup Screen XL40 and 60 meters The BOD Setup screen present many options to control the operating parameters of the meter The meter is factory set with regard to these options and is ready for use under most circumstances see Appendix XL Series Meters Factory Default Settings section for default settings The operating parameters of the BOD mode can be set and controlled from the BOD setup screen The BOD setup screens are virtually identical to the DO setup screens with exceptions noted The previous section on the DO Setup will guide you through the various options available in the BOD setup mode The main difference is the BOD has a configuration to edit in the setup mode see next page for details BOD Setup Sample ID SEQUENCE Measurement mg L mbar Calibration Mode Auto Two Point Med Slow Stable OFF BOD Configuartion Touch here to edit To Set BOD Configuration Temperature Units K Barometer peo mhar Salinity po Alarm Limits ON 2 High 600 Print Criteria Touch here to edit Data Storage Criteria Touch here to edit Display Criteria Touch here to edit Example BOD Setup screen Function Buttons on BOD Setup Screen Touch OK to confirm BOD Setup and return to the BOD Measure screen Touch Cancel to exit and return to the BOD Measure screen without confirming BOD Setup Touch View will bring up Select View dialog box You will have the option of selecting the BOD results or the all BOD dat
141. ew all mV data points stored in memory See mV Setup View Stored Data section for details When you touch the Help button information about the current screen appears This information includes step by step instructions for operating the meter from the current screen and possible applications information for that screen Touch Reset to reset all mV Setup Criteria to the factory default 41 accumet excel gt mV Setup Access mV Setup XL15 20 25 50 and 60 meters To access the Setup screen 1 Make sure you are in the mV Measure screen 2 Touch the Setup button to access the mV Setup screen If you were in quadruple triple or dual display mode you have access to the Setup mode for each channel displayed Touch the Setup Channel buttons at the top of the screen to toggle back and forth between the setup screens for each channel To change mV parameters select the mV Setup button OK mv ch1 Setup mviche Setup pH Fet Setun Cond Setup If you were in single display mode you will access the Setup mode for the single channel displayed only x 42 accumet excel gt mV Setup Set Sample ID XL15 20 25 50 and 60 meters A sample ID is required if you wish to log data or activate a timed printing Whenever this option is active each time you touch Log Data on the mV Measure screen the mV value along with date time channel and the sample ID will be sent to data storage You can manuall
142. example if a strong base sodium hydroxide NaOH is added to water to the extent that its final concentration is 0 01 Moles liter the concentration of the OH ion is 0 01 Moles liter and the concentration of the must decrease according to the Kw equation as follows H30 Kw OH 1 x 10 1 x 10 2 4 x 10 The pH of this solution is pH log 1 x 10 12 This high pH indicates that the 0 01 M NaOH solution is strongly alkaline the concentration of hydronium ions is extremely small Neutral 5 3 EF 9 9 2 3 5 gl 8 5 2 2 2 e t p 2 E 5 5 5 8 3 5 2 21 a a lt 2 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 more acidic more basic pH 173 accumet excel gt pH Measurement The pH value of a sample can be determined in several ways These include the use of organic dyes which change color in certain pH ranges The dyes can be added directly to the solution or impregnated onto paper which may be dipped into the solution At best these colorimetric methods yield approximate pH values often with an accuracy of plus or minus 0 5 pH units The preferred and most accurate way to measure a pH value is the potentiometric measurement using a pH electrode a reference electrode and a pH meter This method is based on the fact that certain electrodes immersed in solution produce a millivolt potential i e voltage that is
143. excel gt lon Setup Set Default Temperature XL25 50 and 60 meters Set Default Temperature It is a well known fact that ion concentration is a temperature dependent measurement The factory default setting is 25 C If you are measuring a solution that is not 25 C and if you are not using a temperature probe then you should enter the temperature value of that solution in order to get the correct concentration value The current default temperature setting will be displayed on the screen The default temperature can be set from 5 C to 105 C To set Default Temperature 1 Select temperature units by touching the appropriate unit button C Celsius F Fahrenheit or K Kelvin 2 Touch the Default Temperature box and use the numeric keypad to enter the desired default temperature 5 C to 105 C 3 Press Enter in the keypad to return to lon Setup screen Best results are obtained when the standards and the samples are at the same temperature 56 accumet excel gt Set Apply Temperature Compensation lon concentration is a temperature dependent measurement Best results are obtained when the standards and the samples are standardized and calibrated at the same temperature However if you have experimentally determined the isopotential point of your electrode then you can choose to set ATC to YES and enter the isopotential value This option is set to NO by default To set Apply Temperature Compensation
144. f oxygen that water can hold is reduced by the presence of dissolved salts the partial pressure of the dissolved oxygen still equals that of oxygen in the air above it The XL40 and XL60 meter compensates for this fact by relating the salinity value of water to its true capacity for oxygen at a given temperature and pressure Biochemical Oxygen Demand BOD The BOD test measures the degree to which water is contaminated with organic material which is decomposed by aerobic bacterial processes This test is a critical importance for municipal and industrial discharges Typically the sample is diluted with oxygen saturated water The dissolved oxygen content is measured immediately after dilution and after a 5 day incubation period The BOD is expressed as the mg L of dissolved oxygen consumed during the incubation 180 accumet excel gt Appendix Replatinization XL20 30 50 and 60 meters Replatinization is the process of replacing the platinum on the surfaces of the 2 cell conductivity probes that may flake or wear off over time The platinum on the surface of the probe is used to increase the surface area of the measuring surface resulting in decreased polarization error Replatinization is a relatively quick procedure to perform taking no more than 5 minutes Although replatinization is not a long process the replatinization solution is costly If you are not certain that replatinization will improve the performance of your accumet co
145. fixing the nominal cell constant of the electrode into the meter and recording the observed conductivity value associated with a standard conductivity solution usually a solution with a precisely known value The following calculation yields the actual cell constant standard value of solution uS observed value of solution uS Fortunately the accumet XL20 30 50 and 60 meter automatically does this calculation for you by touching Standardize To produce an appropriate current signal for the meter it is important to choose an electrode with an appropriate cell constant The following table lists the optimum conductivity ranges for electrodes with cell constants of 0 1 1 and 10 Cell Constant Optimum Conductivity Range 2 cell 0 5 to 200 uS cm 0 01 to 2 mS cm 10 0 1 to 200 mS cm Prior to use the electrodes should be conditioned in distilled or deionized water for at least 10 minutes or in accordance with the manufacturer s instructions 183 accumet excel gt The four cell electrode Traditionally conductivity measurements were made with a two cell electrode This electrode used two metallic sensors and anode and a cathode to which ions migrated Under the influence of DC current the electrodes quickly became polarized In this situation molecules formed at the electrode surfaces and ions migrating to the area collect around the respective anode or cathode and actually screen it from other i
146. g 259 122 Standardization Direct Reading with Blank 123 Measurement Direct Reading with Blank 124 INCREMENTAL METHODS 125 133 Standardization All Incremental Methods 125 Measurement Known Addition Method 126 127 Measurement Known Subtraction Method 128 129 Measurement Analate Addition Method 130 131 Measurement Analate Subtraction Method Graphing Function 4 4 4 134 Conductivity Operation About Conductivity Measurement 154 Standardizing E 155 156 With Auto Buffer 155 With Manual Buffer Recognition 156 Temperature Standardization 157 Conductivity Measurement 158 Graphing Function 159 vill Warranty 160 Compliance 160 Setting the XL Series Meters User Profiles 161 163 XL Series Meters Factory Default Settings 164 166 XL Series Meters Prnt FUncloD ecce arn ent 167 168 Background and color adjustment 169 170 Determini
147. git Applicable only for XL40 and XL60 5 0 to 4105 0 C for meter only Applicable only for XL15 XL20 XL25 XL30 XL50 and XL60 5 0 to 46 0 C Applicable only for XL40 and DO mode in XL60 0 1 C 0 2 C Barometric Pressure range resolution accuracy 450 to 825 mmHg 1mm Hg 1 mm Hg 1 least significant digit Applicable only for XL40 and XL60 Salinity Correction range 0 to 45 ppt Applicable only for XL40 and XL60 Operating Conditions operating temperature operation humidity maximum operating altitude installation category Pollution category degree 5 45 C 5 80 noncondensing 2000 2 Applicable for XL15 XL20 XL25 XL30 XL40 XL50 and 60 4 accumet excel gt Getting Started XL Series Meters Connectors XL15 and 20 meters 1 Review the layout and arrangement of the rear connector panel POWER RJ 45 T USB A g CIE eg E mE RS 232 ngon acod n ET 10 135 11 ABE BE BEE EAE ee XL15 rear connector panel accuFET electrade Channel 3j Automatic Temperature Compinsatien Reference pin jack input cannector EY p a OS 1 Infrared communication Conductivity Channel 5 SD card reader XL20 rear
148. gs The operating parameters of the SOUR mode can be set and controlled from the SOUR setup screen The SOUR setup screens are virtually identical to the DO setup screens with exceptions noted The previous section on the DO Setup will guide you through the various options available in the SOUR setup mode The main difference is the SOUR has a configuration to edit in the setup mode see next page for details SOUR Setup Sample ID MANUAL Measurement Unit Sat mbar Calibration Mode Manual Two Point Stable Slow Med OFF set SOUR Configuration Default Temperature F K Barometer 752 a mbar Salinity ppt ON Low Alarm Limits High Print Criteria Touch here to edit Data Storage Criteria Touch here to edit Display Criteria Touch here to edit Example SOUR Setup screen Function Buttons on SOUR Setup Screen Touch OK to confirm SOUR Setup and return to the SOUR Measure screen Touch Cancel to exit and return to the SOUR Measure screen without confirming SOUR Setup Touch View will bring up Select View dialog box You will have the option of selecting the SOUR results or the all SOUR data points stored in the memory When you touch the Help button information about the current screen appears This information includes step by step instructions for operating the meter from the current screen and possible applications information for that screen Touch Reset to rese
149. h Screen 15 16 Screen Contrast 16 Using the Stylus serrer rh entes 17 Stylus Calibration 17 Setting Time and Date 18 On Screen Keyboard 19 20 Connecting To the 21 Button 22 25 Channel 26 27 Display 28 pH Setup pH Setup Screen And Function Buttons 29 Access pH orte etr rre Pobre to nito esed res 30 set Sample n aab kx ener a ern 31 Select Buffer Group 32 Select Buffer Recognition 33 Select Auto Read Mode 33 Set Ph Stability Criteria 34 Set Default 34 Set Isopotential Point 35 Set Alarm LIES ea erri x pne oci Va Er Ex ERE Rer Er tenses 35 Set Print 36 Set Data Storage 37
150. he DO measure screen to access the standardize screen 8 Insert DO probe into a BOD bottle filled with 1 inch of water to provide a 100 relative humidity environment 9 Allow probe to stabilize for 30 minutes 10 The screen will flash a 100 beaker icon next to the 0 beaker icon When the reading is stable STABLE appears on the screen Touch Confirm to standardize The meter will then return to the DO measure screen oF W Channel 4 68 5 STABLE DOin Sat Last Standardization 9 Sep 2004 9 41 22 PM Standard Recognition AUTO gt Touch Standartiize icon to access standardization mode SampleiD Temp 25 5C ATC User ID Default Salinity O 0 ppt Auto Read OFF Barometer 760 0 mmHg Std Mode AUTO Once meter is calibrated DO Measure screen shows the standards the time date of last standardization and AUTO standard recognition 138 accumet excel DO Operation Standardizing XL40 and 60 meters Automatic standardization at one point mg L A one point automatic standardization for mg L assumes the dissolved oxygen level is at saturation 8 26 mg L at O ppt salinity 25 0 C and 760 mmHg The meter will accept readings 50 of the standard value 1 Touch Standardize on the DO measure screen to access the standardize screen If the screen says Not standardized proceed to step 4 Touch Clear if you need to delete the
151. he salinity setup mode pH ich1 Setup 2 Setup pHiFet Setup Setup Salinity Setup Sample ID SEQUENCE HONE Calibration Point Multi Point Cell Constant gn 100fcm 1 000 cm 10 00 cm Default Temperature 25 0 F Reference Temperature 25 0 Temperature Coefficient 2 100 So ON Low 0 000 ppt High 90 000 ppt Alarm Limits Print Criteria Touch here to edit J Data Storage Criteria Touch here to edit Display Criteria Touch here to edit J Example XL60 Salinity Setup screen Function Buttons on Salinity Setup Screen Touch OK to confirm salinity Setup and return to the salinity Measure screen Touch Cancel to exit and return to the salinity Measure screen without confirming salinity Setup Touch View to view all salinity data points stored in memory See Salinity Setup View Stored Data section for details When you touch the Help button information about the current screen appears This information includes step by step instructions for operating the meter from the current screen and possible applications information for that screen Touch Reset to reset all salinity Setup Criteria to the factory default 105 accumet excel gt Salinity Setup Access Salinity Setup XL20 30 50 and 60 meters To access the Setup screen 1 Make sure you are in the salinity Measure screen 2 Touch the Setup button to access the salinity Setup screen If you were in quadru
152. he status of the current print criteria is displayed on the screen The criteria option is active if ON appears to the right of the option It is inactive if OFF appears to the right of the option Any active criteria will be printed on demand To set Print Criteria 1 Touch the Touch here to edit button next to the Print Criteria to access the DO Print Criteria Setup screen 2 Touch ON or OFF to change the status of a criteria you want to modify 3 Repeat step 2 for all the remaining criteria except Print Interval or Print Option 4 In the Print Interval or Print Option Select TIMED to set the desired time interval in seconds via numeric keypad Press Enter to confirm time The BS key allows you to remove characters that are incorrectly entered When TIMED is selected data is sent to the printer buffer memory at the selected time intervals and once the page is full would be sent to the printer OR Select LOG DATA to send all data stored in the data log memory to the printer when the Print button in pushed from the measurement screen 5 Touch the OK button to accept the changes of the entire group of print criteria and return to the Setup screen Print Criteria Touch here to edit DO Print Criteria Setup Date Time Channel Sample ID Temperature Salinity Barometer Last Standardization Meter Model Serial Operator Print Interval f LOG DATA 70 accumet excel gt DO Setup Set Data Storage
153. hi 7 25 0 C Default This i P 4 Jan 2002 8 01 46 AM Chi 25 0 C Default is information includes step by step 4 Jan2002 8 01 45 AMjChi 5 25 0 C Default 7 4 2002 8 01 41 AMjChi 4 25 0 C Default instructions for operating the meter from o 25 8 E BefaLit the current screen and possible 4 Jan 2002 8 01 39 amp M Chi 2 25 0 C Default 4 Jan 2002 8 01 38 1 25 0 C Default applications information for that screen Touch Delete to delete a selected data point from the list To delete a data point first touch the data point you want to delete then touch the Delete button Touch Delete All to delete all the data point in the memory Touch Print to print all the data points in the memory See next page for Export View and Header or Export View explanation Export View and Header Te Ce 48 accumet excel gt mV Setup View Stored Data XL15 20 25 50 and 60 meters Touch Export View and Header or Export View to save your data in HTML format The file can be stored in either the Nand flash SD Card or any of the other available locations as shown in the window After having selected the path touch the alphanumeric keypad to name your file file Edit view Favorites ES Total Records jaddessmv 1 Temperature _ a 4 Jan 2002 8 01 49 25 0 C Default 4 Jan 2002 8 01 49 1 25 0 C Def
154. icator 107 Select Auto Read Mode 107 Select Cell Constant 108 Set Default Temperature 108 Set Reference Temperature 108 Set Temperature Coefficient 108 Ser Alam eoe roe eroe 109 Set Print Criteria sees 109 Set Data Storage 110 Set Display 110 VIEW Stored Data eet o nes Yea exo erus 110 pH Operation About pH 110 Standardizing with Auto Buffer 112 Standardizing with Manual Buffer Recognition 113 Temperature Standardization 114 pH Measurement with Auto Read Gum opem 115 Graphing Function 116 mV Operation About mv 117 Absolute mv 118 Relative mv Standardization and Measurement 118 Graphing FUNCION 119 lon Operation
155. ilize for 30 minutes constantly stirring the solution The screen will flash a Omg L beaker icon When the reading is stable STABLE appears on the screen Touch Confirm to standardize The meter will then return to the DO measure screen humidity environment Allow probe to stabilize for 30 minutes Touch Standardize on the DO measure screen to access the standardize screen Insert DO probe into a BOD bottle filled with 1 inch of water to provide a 100 relative 10 The screen will flash a 8 26 mg L beaker icon next to the 0 mg L beaker icon When the reading is stable STABLE appears on the screen Touch Confirm to standardize The meter will then return to the DO measure screen 139 accumet excel gt DO Operation Standardizing XL40 and 60 meters Manual standardization at one point both Saturation and mg L A one point manual standardization for saturation and mg L allows user to key in the value to be used for standardization at 760 mmHg The meter will accept readings between 50 of the valued entered 1 amp W Touch Standardize on the DO measure screen to access the standardize screen If the screen says Not standardized proceed to step 4 Touch Clear if you need to delete the previous standardization values Insert DO probe into a BOD bottle filled with a solution of known saturation Allow probe to stabilize for 30 minutes constantly stirring the solution The screen
156. in value Use the multi point standardization option if you are measuring a wide range of samples If a single point calibration is selected there will be only one calibration factor for the entire range of operation In the multi point mode there will be one for each of the 4 ranges To select Calibration Point s 1 Touch Single Point or Multi Point to choose the method of standardization Calibration Point Single Point Multi Point To Select Stable Indicator This setup option lets you turn ON or OFF the stability indicator When this function is turned on the STABLE appears when the salinity reading is stable To select Stable indicator 1 Touch ON or OFF to turn stable indicator on or off Stable ON OFF To Select Auto Read Mode You can use this meter when the Auto Read function is active or when it is inactive When the Auto Read function is active the meter will lock onto a reading when the meter recognizes it as stable The meter will not deviate from this reading until Measure is touched If the Auto Read function is inactive then the meter will continuously monitor any Salinity fluctuations To select Auto Read Mode 1 Touch MANUAL or AUTO to choose the desired read mode Auto Read Mode AUTO MANUAL 107 accumet excel gt XD To Select Cell Constant This setup option allows you to select the appropriate cell constant When you change cell of the cell that you are using There are three cell cons
157. ing and final DO reading must meet the criteria for sample that set under the Set BOD configuration option in Setup mode This condition is only used when calculating the average BOD value If this condition is not met then average BOD will be zero The Average BOD values calculated using the calculated BOD value for the samples taken on the same date with the same description All seed values on this date will be used to calculate the seed correction value used in all subsequent samples Therefore it is necessary to run seed samples on the same day as the BOD samples Seed data will be used only if the SEED DO loss Difference between the Initial seed DO reading and final seed DO reading and the final DO exceed the criteria for seed that is set under the Set BOD configuration option in Setup mode For a same bottle ID if subsequent sample value is taken after BOD calculation is done a message box will pop up and verify that Repeat the final reading for the BOD measurement Touch OK to do so and overwrite the final measurement Touch Quit to return to the BOD measurement screen 148 accumet excel gt Final DO measurement for Seed BOD calculation 1 To take the final reading for BOD measurement access the Select Existing ID scroll box and select the Bottle ID that you are going to take final DO reading for the BOD calculation 2 The initial reading and the BOD calculation parameters for that particular sample Bottle ID dis
158. ing samples that close in value Use the multi point standardization option if you are measuring a wide range of samples If a single point calibration is selected there will be only one calibration factor for the entire range of operation In the multi point mode there will be one for each of the 4 ranges To select Standard Recognition 1 Touch Auto or Manual to choose the method of standard recognition To select Standardization Points 1 Touch Single Point or Multi Point to choose the method of standardization 84 accumet excel Select Stable Indicator This setup option lets you turn ON or OFF the stability indicator When this function is turned on the STABLE indicator appears when the conductivity reading is stable To select Stable indicator 1 Touch ON or OFF to turn stable indicator on or off Stable ON OFF Select Auto Read Mode You can use this meter when the Auto Read function is active or when it is inactive When the Auto Read function is active the meter will lock onto a reading when the meter recognizes it as stable The meter will not deviate from this reading until Measure is touched If the Auto Read function is inactive then the meter will continuously monitor any resistivity fluctuations To select Auto Read Mode 1 Touch MANUAL or AUTO to choose the desired read mode Auto Read Mode AUTO MANUAL Regardless of the status of the Auto Read Mode STABLE will be displayed as the
159. ing the Analate Addition Method The analate addition method is useful when your sample is at an elevated temperature and you want to negate the effect that temperature will have on the concentration calculation This method is also useful if you have only a small amount of sample available The analate addition method differs only slightly from the known addition method see lon Operation Known Addition Method section The difference is the solution that you are taking your initial mV reading in is actually the standard and not the sample of interest The difference in mV readings of the standard before and after the sample is added is used to calculate the concentration of the ion of interest With the analate addition method both the sample and the standard solution contain the ionic species of interest See ISE Theory on Appendix ISE Theory section Taking an Analate Addition Measurement Immerse the ion selective electrode in a known volume of the standard solution Stir the standard Wait for the reading to stabilize STABLE will appear Touch AA to take the first reading Add a known volume of sample solution to the standard solution Wait for the reading to stabilize STABLE will appear Touch AA to take the second reading 6 Use the keypad to enter the sample volume 7 Touch Enter to accept the value 8 Use the keypad to enter the standard volume 9 1 O A Touch Enter to accept the
160. ion Buttons 99 Access TDS Setup 100 oet Sample D trt nete pens 101 Set Calibration 101 Select Stable 101 Select Auto Read Mode 101 Select Cell Constant 102 Sel IDS Er PII 102 Set Default Temperature 102 Set Reference Temperature 102 Set Temperature Coefficient 103 Set Alarm Limits 22 2 2 2 222 103 Set Print Criteria Rab iiir e ct 103 Set Data Storage Criteria 104 Set Display 104 View Stored 104 Salinity Setup Salinity Setup Screen and Function Buttons 105 Access Salinity 106 Gd 107 Set Calibration 107 Select Stable 107 Select Auto Read Mode 107 Select Cell Constant
161. ion in System Setup allows you to customize the background and text color that you would like to be displayed on the screen To set the background and text color System Setup Touch the System Setup button to access the Display Color Setting box 24 On off 3 Touch the Default Color button to select the icd default display color settings for the reading TN display screen Default Color Custom Colors My Favorites Ed Touch the Custom Colors button to adjust the T background and text color to be displayed on the screen Touch the My Favorites button to select color setting from your Favorites list Functions buttons on Custom Display Color Setting Screen Touch the Adjust Background Color to define the background color for your screen from the Basic colors box Custom Display Color Setting Touch the Adjust Text Color to select the color of the text from the Basic colors box Once you have defined the color you want Touch Apply amp Close button to apply the selected settings Touch the Add to Favorites button to include current selected background and text color into your Favorites list Adjust Background Color Touch Back button to go to System Setup box Apply amp Close Add to Favorites See next page to assign name to your setting and to select setting from My Favorites list 169 accumet excel Appendix Background Text Color Adjustm
162. ist of XL series meters factory default settings Reset your meter to the factory default settings by accessing the Reset to Factory Defaults from the System Setup screen Screen Default Setting XL15 XL20 XL25 xL30 XL40 XL50 XL60 Display Configuration All parameters ON e e e e e Print Configuration All parameters ON e e e e e Data Configuration All parameters ON e e e e Buffer Group USA e e e Sample ID MANUAL e e e Isopotential Point 0 0 mV e Print Interval LOG DATA e e e e 5 Display Resolution X XX e e e e e Buffer Recognition AUTO e e e Auto Read Mode MANUAL e e Temperature Units C Celsius e e e e e Default Temperature 25 0C e e e Stability Criteria FAST e e e e Alarm Limits OFF e e e Alarm Limit Low 2 00 pH e e e e e Alarm Limit High 20 00 pH e e e e e Display Configuration All parameters ON e e e e e Print Configuration All parameters ON e e e e e Tr Data Configuration All parameters ON e e e e Sample ID MANUAL e e a Print interval LOG DATA e E Display Resolution X e e e e gt mV Readings Absolute mV e e e e e Alarm Limits OFF e e e Alarm Limit Low 2000 mV e e e e Alarm Limit High 2000 mV e e e e e 164 accumet excel gt Appendix XL Series Meters Factory Default Settings XL15 20 25 30 40 50 a
163. keypad input the value of the buffer that you are using to standardize the meter and then touch Enter The meter now shows the buffer value in the flashing beaker 6 When the reading is stable STABLE appears on the screen Touch Confirm to standardize the buffer The meter will then return to the pH measure screen 7 Touch Standardize on the pH measure screen to access the standardization screen Repeat process to standardize with up to 5 buffers If there is no previous standardization there is no need to click the Clear button If your meter already has a calibration in the memory use the Clear button if you need to clear the previous calibration values pH Standardize Channel 1 pH Measure Channel 1 12 000 STABLE 200 200 1000 Last Standardization 27 Mar 2004 10 06 37 PM Butter Group gt Touch Confirm to Standardize the butter 12 000 STABLE 545 3 11453 3 Last Standardization Mar 2004 06 37 Buffer Group CUSTOM gt Touch standardize icon to access standardiztion mode Touch Clear to clear the previous Standardization gt Touch Cancel to return to the Measurement Show Graph gt Touch Temp Std for Temperature Standardization SamplelD Temp 25 5 C ATC Sample ID User ID Default Auto Buffer Auto Read OFF Temp 25 5 C ATC mV Slope 102 5 Offset 32 4mV
164. l flash each standard icon once then a numeric keypad will appear Using the displayed keypad input the value of the standard that you are using to standardize the meter Touch Enter to accept this value The meter now shows the value of the standard solution in the flashing beaker 6 Wait until Stable appears on the screen Press Confirm button once to confirm the standardization To manually override the stability requirement press Confirm before the stable message appears after the ion beaker starts flashing with the standard value 7 Touch Standardize and repeat steps 3 7 with up to 5 standards A minimum of two standards is required to standardize the meter in this mode 8 Please note that STABLE will only appear if you have completed a successful two point calibration Updating the standardization is not possible Once five point standardization is complete if you press the Standardize icon the meter will prompt the message to clear the previous standardization If the meter has not been standardized with at least two standards a series of dashes will appear in place of a measurement value 121 accumet excel gt lon Operation Direct Reading Methods XL25 50 and 60 meters Measuring lon Concentration in the Direct Reading with Standards mode With Auto Read on 1 Add lonic strength adjuster to the sample 2 Immerse the ion selective electrode in the stirring sample 3 Touch Measure to begin measuring your sam
165. l for XL40 o ace Os 8 gt Touch channel number to select input for assignment gt Touch parameter icon to assign input LJ gt Touch MultiChannel to return to measurement mode Sys Setup gt Touch Display setup to select and assign displayed channels windows 24 ie Q Multi 6 sx o 2 9 Assigning channels for XL20 25 XL50 and XL60 example shown is XL60 Profile Based on the assigned channels selected meter models can feature up to a quadruple XL60 triple XL50 dual XL20 and XL25 or single XL 15 XL30 and XL40 display mode where all selected screens are shown simultaneously The parameters being displayed is based on the Display Setup see Using the XL Series Meter Display Setup section for directions This is only available in XL20 XL25 XL50 and XL60 meters since XL15 XL30 and XL40 meters features only single display mode 27 accumet excel gt Using the XL Series Meter Display Setup XL15 20 25 30 40 50 and 60 meters Your XL series meters have the following display configuration XL15 1 Display Selectable from Ch1 Ch3 XL40 1 Display Selection from Ch4 9 xi20 Up to 2 Displays Selectable from 50 Up to 3 Displays Selectable from Ch1 Ch3 Ch5 Ch1 Ch2 Ch3 Ch5 xL25 Up to 2 Displays Selectable from 9 xL60 Up to 4 Displays Selectable from Ch1 Ch2 Ch3 Ch1 Ch2 Ch3 Ch4 Ch5 XL30 1 Display
166. libration Points _SinglePoint 131 l e Jj e 1 e lt Print Interval LOG DATA e NEN __ o Stable Indicator ON _e L L __ Cell Constant _4oooom d e e e e Ti Temperature Units C Cesus l e e e e Default Temperature Temperature _25 dearee Celsius NEN e NEN e __9 Reference Temperature 25 dearee Celsius 1 _e 2 Temperature Coefficient _2 100 perdearee _e Alarm Limits or 1 ej e j o e Conductivity Standards 84 1 413 12 88 e e e e Standard Recognition AUTO e e Alarm Limit Low 00 EE Alarm Limit Hi ___ _ iJ e o _Alarm Limit Hiah 500000 gem O 8 11 _TDSFactor l oso Alarm Limit Low Opom Alarm Limit Hiah 300000 ppm Alarm Limit Low 0 000 ppt ie Alarm Limit High 90 000 ppt EE 9 oo 166 accumet excel gt Appendix XL Series Meters Print Function XL15 20 25 30 40 50 and 60 meters Kindly note that the XL meter functions only with printers that features PCL 5e printer command language 5 enhanced language Host based printer with PCL 5e language relies on the computer s processor to ge
167. lied to the described in Conductivity Setup Set Alarm Limits section measurement Temperature Coefficient 2 100 The temperature coefficient be set from 0 to 10 000 To Set Alarm Limits This option allows you to set alarm limits for the TDS measuring mode If the TDS value of the measurement is outside of the boundaries set by the minimum and maximum limits audible and visual warnings will let you know that your sample measurement was outside of the set limits The Alarm Limit can be set from 0 00 to 500 00 ppt depending upon TDS factor To set Alarm Limits 1 Touch ON or OFF to set the status of the alarm of TDS mode 2 Touch the Low box and use numeric keypad to enter the new limit values 3 Touch Enter on the keypad to accept this limit and return to the TDS Setup screen 4 Touch PPM or PPT to select TDS units of low alarm value 5 Touch the High box and use numeric keypad to enter the new limit values 6 Touch Enter on the keypad to accept this limit and return to the TDS Setup screen 7 Touch PPM or PPT to select TDS units of high alarm value Alarm Limits To Set Print Criteria This screen allows you to select which criteria are printed with the measurement when you print the data or send it to a computer The status of the current print criteria is displayed on the screen The criteria option is active if ON appears to the right of the option It is inactive if OFF appears to the right of the
168. lotting To stop plotting data touch Stop Plotting Once the plotting is stopped the displayed graph can be dragged left right and up down 3 To view your data more closely touch Zoom In To view more data at one time touch Zoom Out 4 To hide the graph touch Hide Graph 90 00 119 accumet excel gt lon Operation About lon Measurement XL25 50 and 60 meters The accumet XL25 XL50 and XL60 meter offers you unparalleled versatility with respect to ion analysis You can choose one of 6 methods of analysis the specific electrode you will be working with the units that you would like the meter to use when reporting the ion concentration The lon Measure screen displays the direct readout of sample concentration in the desired units as well as the time and date of the last calibration The standards used in the calibration and the slope of the electrode are also displayed on the screen It is important to note that the concentration reported by the meter is actually the concentration of free uncomplexed ions in your solution Connect the electrodes you will be using to the meter Remember to setup your lon measuring mode parameters Refer to lon setup section for instructions za i Ion Measurement ppm Channel 1 4 993 4 ES STABLE Sample ID 13 Temp 25 0 C Default User ID Default my 0 6 Inn Type AMMONIA Slope 100 4 Auto Read OFF Ion Measurement ppm Cha
169. ly for best results If the Auto Read is active the meter will lock freeze onto a reading when it is stable The meter will not change from this reading until the Measure button is pushed at which time a new reading is taken If the Auto Read is not active the meter will continuously monitor the DO and the reading will indicate any change in the DO level If the STABLE indicator is turned on the STABLE indicator appears on the screen when the reading meets the chosen stability criteria NOTE Prior to sample measurement verify the salinity of the sample and enter that salinity value using the setup menu see DO Setup Set Salinity Set Alarm Limits section for details To Measure DO with Auto Read ON 1 Immerse rinsed DO probe into the sample solution constantly stirring the solution 2 Touch Measure 3 The meter will continuously FT Channel 4 68 5 STABLE DOin Sat measure the sample until the stability criteria is met At this time the reading will freeze and the Last Standardvation 9 Sep 2004 94122 PM Standard Recognition AUTO STABLE indicator appears 4 Record the reading once the measurement has become stable 5 To take another reading repeat steps 1 to 4 Please note that STABLE will only appear if you have completed a successful two point calibration gt Touch Standardize icon to access standardization mode Show caon SamplelD Temp 25 5
170. m the meter Direct Reading with Blank Offset Commonly used for determining ion concentration in a sample with a very low level of ions Due to background interference at low concentration levels a blank is used and the value of the ion concentration in the blank is subtracted from the value of the measured sample Known Addition Method An incremental method used for samples with a complex matrix A standard with a known concentration of the ion species of interest is added to the sample The difference in mV potential is then used to calculate ion concentration Known Subtraction Method An incremental method where the ion of interest in the sample is not identical to the ion in the standard solution The standard of known ion concentration that is added to the sample quantitatively reacts in the sample with the ion of interest This reaction removes a fixed amount of the ion of interest from the sample solutions The ion concentration is then calculated based upon the difference in the mV potential Analate Addition A modification of the known addition method The initial mV measurement is recorded in a standard solution The ion in the standard solution is the ion of interest and is detected by the ion selective electrode in use A sample containing the ion of interest is then added to the standard solution The difference in the mV potential is then used in the calculation of the concentration of the ion of interest This method is useful if
171. m Range 1 Cel Type 4 Cell Std Factor 154 accumet excel Conductivity Operation Standardizing XL20 30 50 and 60 meters To Standardize the meter with Auto Standard Recognition Conductivity mode only 1 Touch Standardize on the conductivity measure screen to access the standardize screen 2 If the screen says Not standardized proceed to step 4 3 Touch Clear if you need to delete the previous standardization values 4 Immerse your rinsed conductivity cell in a standard solution 84 uS 1 413 ms 12 88 mS or 111 8 mS and stir gently The immersion depth should be enough to cover the vent holes on the electrode 5 The screen will flash a beaker icon of the standard solution you have selected When the reading is stable STABLE appears on the screen Touch Confirm to standardize the buffer The meter will then return to the conductivity measure screen 6 If you selected Single Point in the Setup mode Calibration Point s your meter is now ready to measure conductivity with one standardization factor OR If you selected Multi Point in the Setup mode Calibration Point s touch Standardize on the conductivity measure screen to access the standardization screen and repeat steps 4 through 6 to standardize with up to 4 points Performing a multi point calibration will give your meter multiple standardization factors Conductivity Standardization mS cm 1 421 Channel 5 BEER 5
172. mV value of the measurement is outside of the boundaries set by the minimum and maximum limits audible and visual warnings will let you know that your sample measurement was outside of the set limits The Alarm Limit can be set from 2000 0 mV to 2000 0 mV To set Alarm Limits 1 Touch ON or OFF to set the status of the alarm of mV mode 2 Touch the Low box and use keypad to enter the new limit values 3 Touch Enter on the keypad to accept this limit and return to the mV Setup screen 4 Touch the High box and use keypad to enter the new limit values 5 Touch Enter on the keypad to accept this limit and return to the mV Setup screen ON Lowy 2000 mi Alarm Lirnits OFF High 2000 44 excel gt mV Setup Set Print Criteria XL15 20 25 50 and 60 meters This screen allows you to select which criteria are printed with the measurement when you print the data The status of the current print criteria is displayed on the screen The criteria option is active if ON appears to the right of the option It is inactive if OFF appears to the right of the option Any active criteria will be printed on demand To set Print Criteria 1 Touch the Touch here to edit button next to the Print Criteria to access the mV Print Criteria Setup screen 2 Touch ON or OFF to change the status of a criteria you want to modify 3 Repeat step 2 for all the remaining criteria except Print Interval or Print Optio
173. mber of your choice You can also choose to deactivate the sample ID To set sample ID Manual 1 Touch Manual for manual Sample ID entry 2 The current ID is displayed on the screen 3 Use the alphanumeric keypad on the screen to enter the desired Sample ID The BS key will allow you to backspace to remove a character that was incorrectly entered 4 Touch Enter to accept current Sample ID and return to the pH or pH FET Setup screen To set sample ID Sequential 1 Touch Sequence for sequential Sample ID entry 2 The current ID is displayed on the screen 3 Use the numeric keypad on the screen to enter the desired Sample ID number that you would like your sequential Sample ID assignment to begin with Every time you touch Print or Log Data on the pH Measure screen the Sample ID will increase by 1 The BS key will allow you to backspace to remove a character that was incorrectly entered 4 Touch Enter to accept the first sequential Sample ID and return to the pH pH FET Setup screen To deactivate the sample ID assignment None 1 Touch None to deactivate the sample ID assignment Sample ID MANUAL SEQUENCE 31 accumet excel gt pH Setup Select Buffer Group XL15 20 25 50 and 60 meters This setup option allows you to select from 3 different buffer groups for auto buffer recognition Or you can create a custom group of buffers for auto buffer recognition by touching custom The 3 exis
174. most circumstances see Appendix XL Series Meters Factory Default Settings section for default settings The operating parameters of the DO mode can be set and controlled from the DO setup screen The DO Setup section will guide you through the various options available in the DO setup mode 00 Setup Sample ID MANUAL SEQUENCE Measurement Sat mbar Calibration Made Auto Manual One Point Two Point ON Stable Med Slow OFF Auto Read Mode MANUAL Temperature Units F K Barometer 759 9 mmHg mbar Salinity 0 0 ppt OFF 600 00 Touch here to edit Alarm Limits Print Criteria Data Storage Criteria Touch here to edit Display Criteria Touch here to edit OK Cancel View Help Example XL60 DO Setup screen Function Buttons on DO Setup Screen Touch OK to confirm DO Setup and return to the DO Measure screen Touch Cancel to exit and return to the DO Measure screen without confirming DO Setup Touch View to view all DO data points stored in memory See DO Setup View Stored Data section for details When you touch the Help button information about the current screen appears This information includes step by step instructions for operating the meter from the current screen and possible applications information for that screen Touch Reset to reset all DO Setup Criteria to the factory default 63 accumet excel gt DO Setup Access DO Setup XL40 and 60 meters To access the Set
175. n 4 For Print Interval or Print Option select between Log Data and Timed If Log Data is selected clicking on the Print button from the Measurement screen will send the logged data to the printer If Timed is selected you can print data at an interval you select This data is buffered and is sent to the printer when the page is full 5 Touch OK button to accept the changes of the entire group of print criteria and return to the mV Setup screen Print Criteria Touch here to edit mV Print Criteria Setup Date Time Channel Sample ID Temperature Meter Model Serial Operator Print Interval LOG DAT EJ 45 accumet excel gt mV Setup Set Data Storage Criteria XL15 20 25 50 and 60 meters This screen allows you to select which criteria are stored in the data logger with the measurement when you store the data The status of the current data storage criteria is displayed on the screen The criteria option is active if ON appears to the right of the option It is inactive if OFF appears to the right of the option Any active criteria will be stored on demand To set Data Storage Criteria 1 Touch the Touch here to edit button next to the Data Storage Criteria to access the pH Data Storage Setup screen 2 Touch ON or OFF to change the status of a criteria you want to modify 3 Repeat step 2 for all the remaining criteria except Data logging Interval or Data storage Interval
176. n Touch Clear to clear all user details Touch Exit to User Profiles screen Touch Apply to current user to apply Default Setting or Delete User Data function buttons to current user only Touch Apply to all user to apply Default Setting or Delete User Data function buttons to all users Touch Default Setting to reset current or all users to factory default setting of meter Touch Delete User Data to delete all measurement data for current or all users 162 accumet excel Appendix Setting the XL Series Meters User Profiles XL15 20 25 30 40 50 and 60 meters Once you add a User Profile the User Login dialog box will automatically pop up when you turn on the meter You must either log in with the correct password or log in as a Default user The Default user does not require a password User Login 1 When the meter is turned on the User Login box will appear on the Home screen 2 Select a User ID 3 Touch the Password box use the alphanumeric keypad on the screen to key in the password The BS key will allow you to backspace to remove a character that was incorrectly entered Press the Enter key NOTE If you selected Default as a User ID you do not need to enter a password Touch Login the meter enters the measurement mode 7 WindowsCE net 163 accumet excel gt Appendix XL Series Meters Factory Default Settings XL15 20 25 30 40 50 and 60 meters The following is a l
177. n screen the time the test is run is setup in the OUR Setup option see page 38 The OUR value in mg L hr and the DO reading appears as mg L 3 To end the OUR test touch Stop OUR icon or let the timer expire If you touch the Stop OUR icon before the timer expires you will get a message indicating your measurement reading might not be accurate If you let the timer expire the message states the measurement has been stopped 4 Touch OK to confirm either message 5 Another dialog box appears asking if you wish to save current OUR result Touch OK to save or Cancel to erase and return to OUR measurement screen 6 If you touched OK a new dialog box appears to ask if you want to view the results Touch OK to proceed to the Result View screen showing OUR value and other important test details T Touch Exit to exit Result View screen and return to OUR measurement screen Touch Delete All to delete all OUR test results in memory OR Touch Print to send the OUR test results to a computer or printer Result View OUR Running Channel 4 523 50 0 39 Min Sec Last Sandaran 12 Sep 2004 85937 PM Standard Flesciognition ALTO OUR Measurement Result 13 Sep 2004 7 54 49 OUR Result Sample ID 1 Start DO 39 61 mg L End DO 36 12 mg L OUR Value 209 40 mg L hr Ellapsed Time 1 0 Min Sec Temperature 25 5 C ATC Pressure 763 mmHg Salinity 0 0 ppt Prediluti
178. n Method Electrode Type Last Standardization Current Standards Slope Measurement Meter Model Serial Mo Operator Data logging MANUAL STABLE TIMED Interval 59 accumet excel gt lon Setup Set Display Criteria XL25 50 and 60 meters This screen allows you to choose what information you would like to be displayed on the lon Measure screen particularly the information contained in the data box at the bottom of the Measurement screen The status of the current display criteria is displayed on the screen The criteria option is active if ON appears to the right of the option It is inactive if OFF appears to the right of the option To set Display Criteria 1 Touch the Touch here to edit button next to the Display Criteria to access the pH Display Criteria Setup screen 2 Touch ON or OFF to change the status of a criteria you want to modify 3 Repeat step 2 for all the remaining criteria except Display Resolution 4 Display Resolution lets you select the number of significant figures that will be used when reporting your ion measurement Touch 2 3 or 4 to select the desired significant digits 5 Touch OK button to accept the changes of the entire group of display criteria and return to the lon Setup screen Display Criteria Touch here to edit Ion Display Criteria Setup Measurement Channel OFF Last Standardization OFF Sample ID OFF Standardisation Method OFF Auto Read Status OFF Temperature Slop
179. n be set from 1 to 25 if no dilution was required use a factor of 1 Minimum time should be less than the maximum time for the test 10 character limit for time in minutes Minimum starting DO can be set from 5 to 60 Minimum ending DO be set from 0 to 60 To set OUR Configuration 1 Touch the Touch here to edit button next to the OUR Configuration to access the OUR Configuration screen 2 Touch the Dilution Factor 1 to X box and use the numeric keypad on the screen to enter desired value The BS key allows you to remove characters that are incorrectly entered 3 Touch Enter on the keypad to accept the value and return to the OUR Configuration screen 4 Repeat steps 2 and 3 for the remaining boxes Minimum Time min Maximum Time min Minimum Starting D O and Minimum Ending D O 5 Touch the OK button to accept the changes of the entire OUR configuration and return to the OUR Setup screen OUR Configuration Touch here to edit OUR Configuration Dilution Factor 1 to X Minimum Time min Maximum Time min Minimum Starting D O Minimum Ending D O 78 accumet excel gt SOUR Setup SOUR Setup Screen XL40 and 60 meters The SOUR Setup screen present many options to control the operating parameters of the meter The meter is factory set with regard to these options and is ready for use under most circumstances see Appendix XL Series Meters Factory Default Settings section for default settin
180. n when standardizing With the automatic buffer recognition activated the meter will automatically recognize the buffers from the chosen buffer group and accept them when the meter recognizes the reading as stable When in the Manual buffer recognition mode you must enter the buffer value during the standardization procedure The meter will accept the manually entered buffer when you recognize that the measurement is stable During the standardization procedure you may accept the buffer value before the meter recognizes it as stable by touching the Standardization button To select Buffer Recognition 1 Touch MANUAL or AUTO to choose the method of buffer selection Buffer Recognition AUTO MANUAL Select Auto Read Mode You can use this meter when the Auto Read function is active or when it is inactive When the Auto Read function is active the meter will lock onto a reading when the meter recognizes it as stable The meter will not deviate from this reading until Measure is touched If the Auto Read function is inactive then the meter will continuously monitor the pH of the sample and the Measure screen display will indicate any fluctuation in the sample pH To select Auto Read Mode 1 Touch MANUAL or AUTO to choose the desired read mode Auto Read Mode AUTO MANUAL 33 accumet excel gt Set pH Stability Criteria This setup screen allows you to determine how quickly the meter will respond to electrode drift There are
181. n your User ID or admin To set up new users or delete users you must log in using the admin user ID The BS key will allow you to backspace to remove a character that was incorrectly entered Press the Enter key 4 Touch the Password box use the alphanumeric keypad on the screen to key in the password am User ID admin NOTE When entering the User Profiles setups for the first time use admin as the PENES Password Press the Enter key The User Login screen will appear with User ID and Password entered Login 4 Cancel User Login Touch Login to enter the User Profiles screen From this screen you can update Password and Company Name information by tapping in the appropriate boxes if you are logged in as a user If you are logged in as Admin user ID you can add and delete users Adding User Profiles 1 After logging in under User ID admin the User Detail fields will show information for Admin Touch Clear to clear all information from the User detail box to enter a new user You can now begin entering information for new users 2 Touch the User ID box use the alphanumeric keypad on the screen to key in the new User ID The User ID cannot exceed 10 characters Press Enter key to confirm User ID 3 Touch the Password box use the alphanumeric keypad on the screen to key ina Password The Password cannot exceed 12 characters Press Enter key to confirm Password 4 Touch the Confirm Password box use the
182. nd 60 meters Screen Default Setting XL15 XL20 XL25 XL30 XL40 XL50 XL60 Display Configuration All parameters ON O _e Print Configuration All parameters ON ES 1 ESTA _e e Data Configuration uration Allparameters NEN __ NEN _ Sample ID jJ el e Isopotential Point __9 __ Print Interval e 1 1l e Display Resolution _ 3 Sianificant digits L Auto Read MaNAL do el 1 e Temperature Units Units _cC Celsus 1 _ Default Temperatur aoc O e 1 e Stability Criteria Least e e lon method Direct Reading with e e e LIEN Measurement Unit Oo 1 e Electrode Tvpe JAMMONA _e e Alarm Limits o dor o l d o ll o AlarmLimitlow 1000 107_____ ___ e AlamlimtHidh 999x10 dJ l l e e e Display Confiquration Allparameters ON ENS 2 Print Configuration All parameters ON NN _e Data Configuration Allparameters ON EE _e Sample ID Calibration Mode Mode _ AUTO One Point o e _Printinteval
183. nd accessories please refer to the Fisher Catalog or contact your Fisher Scientific sales representative To place an order call 1 800 766 7000 fax 1 800 926 1166 or online www fishersci com Note For electrochemistry technical support call 1 888 358 4706 or e mail accumet thermofisher com 187 accumet excel gt Replacement Parts For more information on Eutech Instruments products contact your nearest Eutech Instruments distributor or visit our website listed below Manufactured by Distributed by Eutech Instruments Pte Ltd 55 Ayer Rajah Crescent 04 16 24 Singapore 139949 Tel 65 6778 6876 Fax 65 6773 0836 E mail eutech thermofisher com Web site www eutechinst com 68X374204 Rev 6 Dec 07 188 accumet excel gt
184. ndard volume 9 1 gt Touch Enter to accept the value 0 Use the keypad to enter the volume of ionic strength adjuster used If no ISA was used enter a value of zero 11 Touch Enter to accept the value 12 Use the keypad to enter the concentration of the standard solution added to the sample 13 Touch Enter to accept the value Your Known Subtraction result is now displayed 14 Touch Print to send the data to a printer OR Touch OK to return to the Measure screen for a new measurement 128 accumet excel gt lon Operation Known Subtraction Method XL25 50 and 60 meters Ion Measurement mY Channel 1 j 9 Ion Measurement mY Channel 1 andardize 2417 77 m STABLE Known Subtraction Result EZE Ed Last Standardization 1 Jan 2002 5 53 18 PM 2 Current Ion Method Known Subtraction gt Touch KS to take 1st reading using KNOWN SUBTRACTION Calculated Slope 59 1 mV Touch standardize icon to access standardization mode Reading 1 0 6 mV Reading 2 9 9 mv Sample Volume 100 0 Standard Volume 50 0 ISA Volume 25 0 Sample ID 13 25 0 C Default User ID Default 241 7 Ion Type AMMONIA 100 4 Auto Read OFF 0 6 Standard Concentration 100 0 iei d 129 accumet excel gt lon Operation Analate Addition Method XL25 50 and 60 meters Measuring Concentration in Samples Us
185. nductivity probe please call the technical support hotline at 1 888 358 4706 To Perform Replatinization 1 Access the Replatinization mode from the Mode screen In any measuring mode touch Mode to access the Mode screen 2 Touch Replat to enter the Replatinization mode 3 Immerse your 2 cell conductivity probe into the replatinization solution The immersion depth should be enough to cover the vent holes on the probe 4 Touch Start on the display screen to begin the process of replatinization At this time a countdown timer will appear on the display screen showing the time elapse and time remaining in the replatinization procedure Note At anytime after you have initiated the replatinization You can touch Stop to stop the procedure OR You can touch Exit to cancel the replatinization the procedure and return to the Mode screen 4 cell conductivity probes do not require replatinization Replatinization Replatinization Click Start button to Initiate Replatinization is in progress replatinization process Time Elapse 0 2 Time remaining 4 58 L9 s 181 accumet excel gt Conductance is a quantity associated with the ability of primarily aqueous solutions to carry an electrical current between two metallic electrodes when a voltage E is connected to them Though water itself is a rather poor conductor of electricity the presence of ions in the water increases its conductance considerably the cu
186. nerate printable pages Non PCL 5e language printer triggers XL meter to modify its internal register and can cause the meter to crash The XL series meter allows you to send data to the selected PCL 5e Laser or HP LaserJet 1022n through the USB A port located at the back panel of the XL series meter To print using USB A Power on the XL Series meter and go to single measurement mode Connect HP printer to USB A port on the back of the XL Series meter Enter Sample ID Tap Log data Icon On the Measure screen touch Print to initiate the print function The Print dialog box is displayed on the screen Select the correct printer using the Printer drop down box selection Set the Port drop down box selection to LPT1 Make all other selections as needed and then touch OK to start sending data ON OD OF FW Channe 1 10 00 STABLE pH Measurement Channe 1 10 00 STABLE pH Measurement S aes ia E o gi E m gt k Mot standardized Not standardized E O 4 oN LaserJet 1022n Printer i M Printer Part Port Net Path Paper Size Letter x Margins inches gt Touch standard Left Print Range Orientation 21 Portrait Selection Landscape Sample ID User ID Auto Buffer Auto Read Net Path Paper Size Letter Margins inches gt Touch standard Lef
187. ng Isopotential Points Experimentally 171 PR AGONY 172 175 TING ONY 176 179 Replatinization 0 181 Conductivity 222 182 184 Replacement 185 187 accumet excel tee TE ee 1 Unpacking the 2 XL Series Meters Specifications 3 4 Getting Started XL Series Meters Connectors 5 8 Start up and Shut down procedures 9 pH and lon 11 12 Conductivity c 13 Dissolved Oxygen Probe 14 Using the XL Series Meter Touch Screen 15 16 Screen Contrast 16 Usmo Ne SUS 17 17 Setting Time and Date 18 On Screen Keyboard 19 Expansion 20 Connecting To the Internet 21 Button FUnclilOris iussisti neto ny pa toph anth 22
188. nnel 2 9 586 E10 Sample ID 725 0 C Default User ID 412 8 Ion 100 3 Auto Read Last Standardization DRVYS 1 Jan 2002 5 38 45 PM 120 accumet excel gt There two direct reading methods Direct Reading with Standards and Direct Reading with Blank Offset These types of measurements allow you to directly read the concentration of your sample after standardizing the meter with ion standards of known values or blank values Direct Reading with Standards This is the most common method of ion measurement You can directly read the concentration of the sample after standardizing the meter with ion standards An ionic strength adjuster ISA is added to both the standards and the sample Two to five standards are used to standardize the meter The standards should bracket the expected value of the sample To Standardize the Meter Using Direct Reading with Standards You must use a minimum of two standards to standardize the meter Make sure you have selected Direct Reading with Standards on the lon Setup screen 1 Add ionic strength adjuster to your standard 2 Immerse your rinsed electrode s into the standard solution and stir gently 3 Touch the Standardize button on the lon Measure screen to access the standardization screen 4 Touch Clear if necessary to remove a previous standardization If the screen says Not Standardized proceed to step 5 5 The screen wil
189. nt screen without saving any changed data in the BOD Calculation Parameter Screen Touch Delete All Sample Detail to delete all stored sample or seed measurements for BOD When you touch the Help button information about the current screen appears This information includes step by step instructions for operating the meter from the current screen and possible applications information for that screen 144 accumet excel gt DO Operation BOD Measurement XL40 and 60 meters Current Reading 4 03 Select Existing ID Bottle ID Add new Sample Seed Description Sample 1 Bottle Volume 300 0 Seed Volurne 200 ml Sample Volume a 21 ml Predilution factor 1 to X Available Sample ID To measure BOD of the Sample 3 Insert DO probe into a BOD bottle filled with your sample 4 Allow probe to stabilize for 30 minutes constantly stirring the solution 5 Touch BOD on the BOD measurement screen to enter BOD Calculation Parameter Screen Screen show current DO reading 6 Touch the SAMPLE to designate BOD measurement as sample 145 accumet excel gt DO Operation BOD Measurement XL40 and 60 meters Initial DO measurement for Sample BOD calculation The Bottle ID text entry box allows you to enter the bottle ID of the sample for new reading The Select Existing ID scroll box is in the selection of Add new sample Seed option for new sample reading gn Select Existing ID
190. o enter into the meter the volume of the sample the volume of the standard the volume of the lonic Strength Adjuster ISA if used the concentration of the standard and as previously stated the slope of the electrode in use Your accumet research meter will prompt you through the method permitting you to enter the appropriate parameters at the appropriate time When the meter has all of the data needed for the calculation it will display the ion concentration of the sample as well as the parameters entered for the calculation The standard concentration should be high enough to nearly double the sample ion concentration after its addition However the standard volume should not significantly impact the sample volume A 1 100 ratio of standard to sample ratio is optimal For a monovalent electrode the standard addition should result in a 15 30 mV change For a divalent electrode a 7 10 mV change is adequate If the millivolt change is too high the addition of the standard may affect the ionic strength and therefore the activity coefficients This could result in inaccurate measurements If the millivolt change is too small readability errors are enhanced See ISE Theory on Appendix ISE Theory section Taking a Known Addition Measurement 1 Immerse the ion selective electrode in a Known volume of the sample solution 2 Stir the sample 3 Wait for the reading to stabilize STABLE will appear Touch KA to take the first mV reading
191. ocations as shown in the window After having selected the path touch the alphanumeric keypad to name your file File Edit view Favorites Q Address Cond htm Total Records Date Time Channel Sample Id Temperature _ Ri 9 2 uS jcm 16 Noy 2005 11 31 50 AM ChS 25 0 C Default uS cm 16 Mov 2005 11 31 49 AM Ch5 25 0 C Default uS cm 16 Nov 2005 11 31 48 AM Ch5 25 0 C Default uS cm 16 Nov 2005 11 31 47 AM Ch5 25 0 C Default uS cm 16 Nov 2005 11 31 46 AM ChS 25 0 C Default uS cm 16 Nov 2005 11 31 45 5 25 0 C Default uS cm 16 Nov 2005 11 31 44 AM Ch5 25 0 C Default uSfcm 16 Nov 2005 11 31 43 AM Ch5 25 0 C Default uS cm 25 0 C Default 3 Program File Temp Windows Expor 1 412 mS 1 412 mS 2 Jan 2002 4 05 18 AM Ch5 2 Jan 2002 4 05 15 AM Ch5 2 24 250 Default 5 25 0 C Default 1 413 mS 2 Jan 2002 4 05 12 AM Ch5 25 0 C Default 1 413 mS 2 Jan 2002 3 58 24 AM Ch5 25 0C Default Touch the alphanumeric keypad to name your file Export view in HTML format accumet excel gt 92 Resistivity Setup Resistivity Setup Screen XL20 30 50 and 60 meters Available in XL20 XL30 XL50 and XL60 meters the resistivity Setup screen present many options to control the operating parameters of the meter The meter is factory set with regard to
192. of sample 4 Add a known volume of standard solution to the sample 5 Wait for the reading to stabilize STABLE will appear Touch KA to take the second mV reading of sample 6 Use the keypad to enter the sample volume 7 Touch Enter to accept the value 8 Use the keypad to enter the standard volume 9 Touch Enter to accept the value 1 0 Use the keypad to enter the volume of ionic strength adjuster used If no ISA was used enter a value of zero 11 Touch Enter to accept the value 12 Use the keypad to enter the concentration of the standard solution added to the sample 13 Touch Enter to accept the value Your Known Addition result is now displayed 14 Touch Print to send the data to a printer OR Touch OK to return to the Measure screen for a new measurement 126 accumet excel gt lon Operation Known Addition Method XL25 50 and 60 meters Ion Channel 1 d Ion Measurement mV Channel 1 241 7 Known Addition Result Last Standardization 1 Jan 2002 5 53 18 PM Current Ion Method Known Addition Touch KA to take 1st reading using KNOWN ADDITION Calculated Slope Touch standardize icon to access standardization mode tU n Reading 1 Show Graph Da Reading 2 Sample Volume Standard Volume ISA Volume Sample ID 13 25 0 C Default User ID Default 241 7 Ion Type AMMONIA 100 4 Auto Read OFF 0 6 Standard Concentr
193. og Data button is pushed touch STABLE to automatically log pH data when the pH reading is stable or touch TIMED to set a specific timed interval in seconds to log pH data 5 Touch the OK button to accept the changes of the entire group of data storage criteria and return to the pH pH FET Setup screen Data Storage Criteria Touch here to edit pH Data Storage Setup Date Time Channel OFF Sample ID OFF Temperature OFF Last Standardization OFF Current Buffers OFF Slope OFF Measurement OFF Meter Model Serial Na OFF Operator OFF Data logaing Interval GTABLE TIMED 37 accumet excel pH Setup Set Display Criteria XL15 20 25 50 and 60 meters This screen allows you to choose what information you would like to be displayed on the pH Measure screen particularly the information contained in the data box at the bottom of the Measurement screen The status of the current display criteria is displayed on the screen The criteria option is active if ON appears to the right of the option It is inactive if OFF appears to the right of the option To set Display Criteria 1 Touch the Touch here to edit button next to the Display Criteria to access the pH Display Criteria Setup screen 2 Touch ON or OFF to change the status of a criteria you want to modify 3 Repeat step 2 for all the remaining criteria except Display Resolution 4 For Display Resolution touch X X to display pH with one decimal place t
194. on 1 gt Touch Stop icon to shop neos gt Gch Starline iow bo mode TET cid iar E 5 Pg Moacdel serial XLAD 94000193 Operator Detault Sample iD 1 Temp 255 User ID Salinity 0 0 ppt Std Mode AUTO Barometer 760 0 mmHg mg OUR measurement in progress OUR Measurement View Result Screen 151 accumet excel DO Operation SOUR Measurement XL40 and 60 meters This mode is used to measure Specific Oxygen Uptake Rate SOUR The SOUR is used to determine the oxygen consumption or respiration rate is known as the milligram of oxygen consumed per gram of volatile suspended solids per hour Remember to setup your SOUR measuring mode parameter from the SOUR Setup screen To Take SOUR Measurements 1 2 SOUR in mg hr g Running Channel 4 Last Standardization 12 Sep 2004 8 59 37 Touch SOUR Start icon to being SOUR measurement The screen will indicate the test is in progress with RUNNING and a timer on the main screen the time the test is run is setup in the SOUR Setup option see page 76 The SOUR value in mg hr g and the DO reading appears as mg L To end the SOUR test touch Stop SOUR icon or let the timer expire If you touch the Stop SOUR icon before the timer expires you will get a message indicating your measurement reading might not be accurate If you let the timer expir
195. on Conductivity Setup Screen Touch OK to confirm conductivity Setup and return to the conductivity Measure screen Touch Cancel to exit and return to the conductivity Measure screen without confirming conductivity Setup Touch View to view all conductivity data points stored in memory See Conductivity Setup View Stored Data section for details When you touch the Help button information about the current screen appears This information includes step by step instructions for operating the meter from the current screen and possible applications information for that screen Touch Reset to reset all conductivity Setup Criteria to the factory default 81 accumet excel gt Conductivity Setup Access Conductivity Setup XL20 30 50 and 60 meters To access the Setup screen 1 Make sure you are in the conductivity Measure screen 2 Touch the Setup button to access the conductivity Setup screen If you were in quadruple triple or dual display mode you have access to the Setup mode for each channel displayed Touch the Setup Channel buttons at the top of the screen to toggle back and forth between the setup screens for each channel To change Conductivity parameters select the Conductivity Setup button pHiCh1 Setup pHiCh2 Setup pH Fet Setup Cond Setup If you were in single display mode you will access the Setup mode for the single channel displayed only ok x Cond Setup 82 accumet excel
196. on of current generated by the oxygen electrode Many other factors such as electrode surface area membrane thickness membrane permeability coefficient and oxygen partial pressure are integral to this process and incorporated into the constants k and D As the partial pressure of oxygen in the water is equal to that in the atmosphere the oxygen partial pressure differential between the sample and the electrolyte inside the electrode is the driving force bringing oxygen to the electrode Oxygen Solubility Oxygen solubility in water is critical parameter in many arenas including biochemistry industrial processes and particularly environmental science and engineering sufficient dissolved oxygen is an absolute requirement for good water quality It is essential for aerobic life and the natural purification processes to which they contribute Dissolved oxygen concentrations below 5 ppm will result in substantial damage to the aquatic ecosystem and concentrations below 2 ppm can result in fish kills and growth of harmful bacteria The ultimate amount of oxygen possible in water is a function of temperature atmospheric pressure and the concentration of dissolved salts or salinity At a given atmospheric pressure water will hold a fixed well defined amount of oxygen at a given temperature Water at higher temperatures will hold less oxygen than water at lower temperatures Dissolved salts in water lower its capacity for oxygen Though the amount o
197. onductivity Resistivity TDS or Available in XL20 XL30 XL 50 and XL60 Salinity channel NOTE ion channel is for XL25 XL50 and XL60 meters only The Mode button allows you to switch between the various operations of the meter pH mV ion pH FET DO conductivity resistivity TDS and salinity It also lets you configure the display options select input parameters and view the software revision and serial number details The Setup button will access the setup screens of the channels that you are currently using The Log Data button sends data to the data storage center of the meter if sample ID has been assigned to your sample a User Profile and reenter to change asc The Profile button lets you view your profile User ID Password Company Name User Group You can change only your profile and not of any other user You can change to a different user only if you are the default user of the system Corpo hame Fisher Scie Fia n 2 ib The Home button accesses the Windows CE desktop The XL series application does not shut down if Home is pressed and the current user remains logged in Double tap on the XL series icon to return to the previous screen before the Home button was pressed The Logoff button allows you to logoff the current user from the XL series application The XL series application shuts down returning to the Win CE desktop When you re start the application
198. one type of conductivity cell can be connected at a time 1 Carefully remove the protective cover from the end of the conductivity cell Before using your conductivity cell soak it for 5 to 10 minutes in distilled or deionized water O NUN q H N P 2 Connect the 2 cell or 4 cell conductivity cell to the conductivity cell jack The 2 cell and 4 cell accumet conductivity cells have built in ATC probes Therefore there is no need to connect a separate ATC probe 3 Rinse and blot dry don t wipe probe between each measurement Rinse probe with distilled or deionized water or a portion of the next solution to be measured 4 Between measurements conductivity probes can be stored dry 13 accumet excel gt Getting Started Dissolved Oxygen Probe 40 and 60 meters XL series meter 40 ands XL 60 allows you to use the Fisher Scientific accumet BOD Probe with DIN connector See Replacement Parts section for adapters to allow use of YSI Dissolved Oxygen probes with your accumet meter 1 Carefully review the instruction sheet accompanying the probe for setup and conditioning information 2 Connect the probe to the DO DIN jack on the back of the meter Allow the probe to warm up for 30 minutes 3 Store the DO probe in a BOD bottle filled with 1 inch of water 14 accumet excel gt Using the XL Series Meter Touch Screen Operation XL15 20 25
199. ons In essence the flow of ions stops and current ceases to flow Polarization and associated errors can be minimized by using AC voltage the appropriate cell constant and a large electrode surface area The influence of polarization can also be minimized by the use of a four cell electrode The four cell configuration consists of two cells and outer cell and an inner cell Voltage is applied to the sensors of the outer cell which in turn generates a voltage across the sensors of the inner cell The inner cell is connected to a high impedance circuit and unlike the outer cell generates no current Since no current is generated across the inner cell polarization cannot occur at the inner cell By measuring the voltage of the inner cell which is adjusted to match the reference voltage by increasing or decreasing the current through the inner cell one obtains a true picture of conductivity minus the influence of polarization Cell Constant Optimum Conductivity Range 4 cell Not Available 0 01 to 20 mS cm 10 0 1 to 200 mS cm Conductivity and Temperature Conductivity in aqueous solutions reflects the concentration mobility and charge of the ions in solution The conductivity of a solution will increase with increasing temperature as many phenomena influencing conductivity such as solution viscosity are affected by temperature The relationship between conductivity and temperature is predictable and usually expressed as relative
200. option Any active criteria will be printed on demand The TDS Print Criteria is set the same way as previously described in Conductivity Setup See Conductivity Setup Set Print Criteria section for instructions Print Criteria Touch here to edit 103 accumet excel gt Set Data Storage Criteria This screen allows you to select which criteria are stored in the data logger with the measurement when you store the data The status of the current data storage criteria is displayed on the screen The criteria option is active if ON appears to the right of the option It is inactive if OFF appears to the right of the option Any active criteria will be stored on demand The TDS Data Storage Criteria is set the same way as previously described in Conductivity Setup See Conductivity Setup Data Storage Criteria section for instructions Data Storage Criteria Touch here to edit To Set Display Criteria This screen allows you to choose what information you would like to be displayed on the TDS Measure screen particularly the information contained in the data box at the bottom of the Measurement screen The status of the current display criteria is displayed on the screen The criteria option is active if ON appears to the right of the option It is inactive if OFF appears to the right of the option The TDS Display Criteria is set the same way as previously described in Conductivity Setup See Conductivity Set
201. option Any active criteria will be stored on demand The Salinity Data Storage Criteria is set the same way as previously described in Conductivity Setup See Conductivity Setup Data Storage Criteria section for instructions Data Storage Criteria Touch here to edit To Set Display Criteria This screen allows you to choose what information you would like to be displayed on the salinity Measure screen particularly the information contained in the data box at the bottom of the Measurement screen The status of the current display criteria is displayed on the screen The criteria option is active if ON appears to the right of the option It is inactive if OFF appears to the right of the option The Salinity Display Criteria is set the same way as previously described in Conductivity Setup See Conductivity Setup Set Display Criteria section for instructions Display Criteria Touch here to edit To View Stored Data The XL20 XL30 XL50 and XL60 have a memory capacity to store up to 1000 data points The View Stored Data screen allows you to sort and look at specific data points stored in the meter based on the meters memory capacity The stored data can be sorted by any of the parameters available in the screen header The meter stores salinity data under the following parameters Reading Temperature Coefficient Date Time Channel Cell Type Sample Id Last Standardizations Temperature Meter Model Serial No Reference T
202. option is active if ON appears to the right of the option It is inactive if OFF appears to the right of the option Any active criteria will be printed on demand The Resistivity Print Criteria is set the same way as previously described in Conductivity Setup See Conductivity Setup Set Print Criteria section for instructions Print Criteria Touch here to edit 97 accumet excel gt Set Data Storage Criteria This screen allows you to select which criteria are stored in the data logger with the measurement when you store the data The status of the current data storage criteria is displayed on the screen The criteria option is active if ON appears to the right of the option It is inactive if OFF appears to the right of the option Any active criteria will be stored on demand The Resistivity Data Storage Criteria is set the same way as previously described in Conductivity Setup See Conductivity Setup Data Storage Criteria section for instructions Data Storage Criteria Touch here to edit To Set Display Criteria This screen allows you to choose what information you would like to be displayed on the resistivity Measure screen particularly the information contained in the data box at the bottom of the Measurement screen The status of the current display criteria is displayed on the screen The criteria option is active if ON appears to the right of the option It is inactive if OFF appears to the right of
203. or OFF to change the status of a criteria you want to modify 3 Repeat step 2 for all the remaining criteria 4 Touch the OK button to accept the changes of the entire group of display criteria and return to the conductivity Setup screen Display Criteria Touch here to edit Conductivity Display Criteria Setup Measurement Channel Last Standardized Detail Sample ID Cell Constant Cell Type Temperature Reference Temperature Temperature Coefficient Range Auto Read Status Standardization Factor Standardization Points Standard Recognition OFF OFF OFF OFF OFF OFF OFF OFF OFF OFF OFF OFF OFF Eu m 90 accumet excel gt Conductivity Setup View Stored Data XL20 30 50 and 60 meters The XL20 XL30 XL50 and XL60 have a memory capacity to store up to 1000 data points The View Stored Data screen allows you to sort and look at specific data points stored in the meter based on the meters memory capacity The stored data can be sorted by any of the parameters available in the screen header The meter stores conductivity data under the following parameters Reading Temperature Coefficient Date Time Channel Cell Type Sample Id Last Standardizations Temperature Meter Model Serial No Reference Temperature Operator To View Stored Data 1 Touch the View button in the conductivity Setup screen Function buttons on View Stored Data Screen Touch OK to go back to the Conduc
204. ords Reading Date Time Channel 4 Jan 2002 8 06 48 AM Chi 4 Jan 2002 8 06 46 Amichi 4 Jan 2002 8 06 45 AM Ch1 4 Jan 2002 8 06 44 1 4 Jan 2002 8 06 41 AM Ch1 4 Jan 2002 8 06 40 1 4 Jan 2002 8 06 39 4 Jan 2002 2 06 38 1 4 Jan 2002 8 06 36 1 61 Pho Bom ow Export View and Header 25 0 Cibefault 25 0 Cibefault 25 0 Cibefault 25 0 cibefault 25 0 Cibefault 25 0 Cibefault 25 0 cibefault 25 0 Cibefault 25 0 cibefault S Temperature Current Buffers Direct Reading Direct Reading Direct Reading w Direct Reading v Direct Reading Direct Reading Direct Reading Direct Reading Direct Reading accumet excel gt lon Setup View Stored Data XL25 50 and 60 meters Touch Export View and Header or Export View to save your data in HTML format The file can be stored in either the Nand flash SD Card or any of the other available locations as shown in the window After having selected the path touch the alphanumeric keypad to name your file Date Time Channel S Temperature Current Buffers Total Records p 4 Jan 2002 8 06 48 AM Ch1 4 Jan 2002 8 06 46 AM Ch1 4 Jan 2002 8 06 45 AM Ch1 4 Jan 2002 8 06 44 AM Ch1 4 Jan 2002 8 06 41 AM Ch1 4 Jan 2002 8 06 40 AM Ch1 4 Jan 2002 8 06 39 AM Ch1 4 Jan i 38 AM Ch1 Application Data My Documents NAND Store Network M CO A CI
205. ossible applications information for that screen Touch Reset to reset all resistivity Setup Criteria to the factory default 93 accumet excel gt Resistivity Setup Access Resistivity Setup XL20 30 50 and 60 meters To access the Setup screen 1 Make sure you are in the resistivity Measure screen 2 Touch the Setup button to access the resistivity Setup screen If you were in quadruple triple or dual display mode you have access to the Setup mode for each channel displayed Touch the Setup Channel buttons at the top of the screen to toggle back and forth between the setup screens for each channel To change Resistivity parameters select the Resistivity Setup button pH iCchi Setup pH ichz Setup pHiFetj Setup k Resistivity Setup If you were in single display mode you will access the Setup mode for the single channel displayed only Resistivity Setup 94 accumet excel gt To Set Sample ID A sample ID is required if you wish to log data or activate a timed printing Whenever this option is active each time you touch Log Data on the resistivity Measure screen the resistivity value along with date time channel and the sample ID will be sent to data storage You can manually enter an alphanumeric identification number of 10 characters for any sample or you can have the meter sequentially number your samples beginning at the number of your choice You can also choose to deactivate the s
206. ou are using There are three cell constants to choose cell constants from Each is used for a different range of TDS calibration factor will automatically reset to default values It is recommended that you standardize your meter to establish a new calibration factor The TDS Cell Constant is set the same way as previously described in Conductivity Setup See Conductivity Setup Stable Indicator Auto Read Mode Cell Constant section for instructions Cell Constant 0 100 cm 1 000 cm 10 00 cm To Set TDS Factor A TDS conversion factor is needed when a solution does not have a similar ionic content to natural water or salt water The TDS conversion factor automatically adjusts the reading The TDS conversion factor can be set from 0 40 to 1 00 To set TDS Factor 1 Touch the TDS Factor box and use the numeric keypad to enter the desired default temperature 0 40 to 1 00 2 Press Enter in the keypad to return to TDS Setup screen TOS Factor 0 60 To Set Default Temperature TDS is a temperature dependent measurement This option allows you to select a default temperature that the meter will use along with the temperature coefficient to calculate a temperature corrected TDS measurement If an ATC probe is used any value entered as a default temperature will be overridden in favor of the actual measured temperature of the solution provided to the meter by the ATC probe The default temperature can be set from 1
207. ouch X XX to display pH with two decimal places or touch X XXX to display pH with three decimal places 5 Touch the OK button to accept the changes of the entire group of display criteria and return to the pH pH FET Setup screen Display Criteria Touch here to edit pH Display Criteria Setup Measurement Channel ON H Last Standardization ON H Sample ID ON H Auto Buffer Status ON Auto Read Status ON Temperature ON Slope ON Offset ON O O EIBIBIEIBIBIGIBIB H mV Display Display Resolution x 5 38 accumet excel pH Setup View Stored Data XL15 20 25 50 and 60 meters The XL15 XL20 XL25 XL 50 and XL60 have a memory capacity to store up to 1000 data points The View Stored Data screen allows you to look at specific data points stored in the meter based on the meters memory capacity The meter stores pH or pH FET data under the following parameters Reading mV Measurement Date Time Channel Slope Sample Id Last Standardizations Temperature Meter Model Serial No Current Buffers Operator To View Stored Data 1 Touch the View button in the pH Setup screen You can only log 1000 data points at a time To clear space for new data points you have to delete the same number of old data points as you want to add new data points Function buttons on View Stored Data Screen Touch OK to go back to the pH Setup screen from the Vie
208. ovide reasonable protection against such interference when operated in a commercial environment Operation of this equipment in a residential area may cause interference in which case the user at his own expense will be required to take whatever measures may be required to correct the interference This product is to be used only as described in the manual This product is for indoor use only and must be used in a well ventilated area WARNING To meet or exceed FCC regulations and comply with CE requirements the Fisher supplied power supply must be used Use of a power supply that is not approved by Fisher Scientific may cause safety hazards and or cause unit to exceed EMC limits and or damage unit When using this meter with a computer or printer a shielded RS232 cable must be used to meet or exceed FCC regulations and comply with CE Mark requirements 160 accumet excel gt The XL series meters are equipped with a User Profiles setup or the User Profile Management Application Setting user profiles saves an individual user unique Setup preferences calibration data and stored data The meter can be used without setting a user profile but it will recognize all users as Default Accessing User Profile Screen 1 Touch Home on any measurement or the Mode screen to access the Home screen 2 Double tap on AdminUser The User Login dialog box will appear 3 Touch the User ID box The alphanumeric keypad will appear Key i
209. ox will pop up and verify that Repeat the final reading for the BOD measurement Touch OK to do so and overwrite the final measurement Touch Quit to return to the BOD measurement screen 149 accumet excel gt DO Operation BOD Measurement 40 and 60 meters The Select View Screen allows for single or multiple Bottle ID selection for the result view screen The Available Bottle ID text box lists all available Bottle ID stored in the meter for BOD measurement The following options are available for selection and de selection 1 Touch gt button for single Bottle ID selection 2 Touch lt button for single Bottle ID de selection 3 Touch gt gt button for all available bottle IDs selection 4 Touch lt lt button for all available bottle IDs de selection from all selected Bottle ID The selected Bottle ID text box will list all the selected Bottle IDs from the available ID from the result view Button Functions Touch OK for accepting this selection for result view The Help button allows you to access helpful information on any screen When you touch the Help button information about the current screen appears This information will include step by step instructions for operating the meter from the current screen and possible applications information for that screen Touch Cancel button to go back to the measurement screen without consider the selection on this screen Result View Select sample bottle I
210. p and briefly hold the stylus on the center of the target Repeat tapping the target as it moves to the 4 corners of the screen If you miss the target center keep the stylus on the screen slide it over the target s center and then lift the stylus 6 Once the calibration is complete the target will disappear Tap anywhere in the screen to accept the new calibration and go back to the Stylus Properties window Tap OK to close the Stylus Properties window D mom CAUTION To prevent damage to your XL series meter screen never use any device other than the stylus that comes with the meter or an approved replacement to tap on the screen Order extra or replacements if you lose or break your stylus 17 accumet excel gt Using the XL Series Meter Setting Time and Date XL15 20 25 30 40 50 and 60 meters Setting the Time 1 eS From the HOME screen tap the bottom left of the screen to access the Start menu Tap Start gt Settings gt Control Panel This launches the Control Panel screen Double tap Date Time icon This launches the Date Time Properties window Tap the time zone down arrow and select the appropriate time zone Tap the hour minutes or seconds Tap up and down arrows to adjust Tap AM or PM Use up and down arrow to select Tap Apply button Tap OK to save the time Setting the Date 1 oo eS From the HOME screen tap the bottom left of the screen to access the Start menu
211. play in the Available sample ID text box 3 Touch the Calculate Final BOD button to accept the current DO reading as a final reading for BOD calculation Calculate Final BOD If the following parameters match BOD result will be shown in the screen 1 At least one day has passed after taking the initial reading that is stored in the memory for that particular bottle ID If not user will be prompted with message box for taking this reading as repetitive initial reading AND 2 The final DO reading and DO loss Difference between the Initial DO reading and final DO reading must meet the criteria for sample that set under the Set BOD configuration option in Setup mode This condition is only used when calculating the average BOD value If this condition is not met then average BOD will be zero The Average BOD value is calculated by using the calculated BOD value for the seeds taken on the same date with the same description All seed values on this date will be used to calculate the seed correction value used in all subsequent samples Therefore it is necessary to run seed samples on the same day as the BOD samples Seed data will be used only if the SEED DO loss Difference between the Initial seed DO reading and final seed DO reading and the final DO exceed the criteria for seed that is set under the Set BOD configuration option in Setup mode For a same bottle ID if subsequent sample value is taken after BOD calculation is done a message b
212. ple The meter will accept the reading and display STABLE when the measurement meets the selected stability criteria The measure screen will fix onto this measurement and will not deviate until Meas is touched Repeat steps 1 3 with additional samples Please note that STABLE will only appear if you have completed a successful two point calibration With Auto Read off 1 Add lonic strength adjuster to the sample 2 Immerse the ion selective electrode into the stirring sample The meter will continually monitor the ion concentration value When the meter recognizes the reading as stable STABLE is displayed on the measure screen With the Auto Read function deactivated the display on the measure screen will indicate any deviation in the concentration 3 Repeat steps 1 2 with additional samples Ion Measurement ppm Channel 1 5 000 E 4 STABLE EN Last Standardization 1 Jan 2002 5 35 56 Current Ion Method Direct Reading with Standards Standardiz gt Touch standardize icon to access standardization mode Sample ID 13 Temp 25 0 C Default User ID Default 0 6 Ion Type AMMONIA Slope 100 4 Auto Read OFF Blank Ofs 122 accumet excel gt Direct Reading with Blank Offset This method presents you with the ability to measure samples with low level concentrations of the ion of interest It eliminates background interference by subtracting the value of a blank conc
213. ple triple or dual display mode you have access to the Setup mode for each channel displayed Touch the Setup Channel buttons at the top of the screen to toggle back and forth between the setup screens for each channel To change Salinity parameters select the Salinity Setup button OK pH Cch1 Setup pH chz Setup pH Fet Setup Salinity Setup If you were in single display mode you will access the Setup mode for the single channel displayed only x Salinity Setup 106 accumet excel To Set Sample ID A sample ID is required if you wish to log data or activate a timed printing Whenever this option is active each time you touch Log Data on the salinity Measure screen the salinity value along with date time channel and the sample ID will be sent to data storage You can manually enter an alphanumeric identification number of 10 characters for any sample or you can have the meter sequentially number your samples beginning at the number of your choice You can also choose to deactivate the sample ID The Salinity Sample ID is set the same way as previously described in Conductivity Setup See Conductivity Setup Set Sample ID section for instructions Sample ID MANUAL SEQUENCE HONE 1000 To Set Calibration Point s This option also allows you to choose single point or multi point standardardization Use the single point standardization option if you are measuring samples that close
214. previous standardization values Insert DO probe into a BOD bottle filled with 1 inch of water to provide a 100 relative humidity environment Allow probe to stabilize for 30 minutes The screen will flash a 8 26 mg L beaker icon When the reading is stable STABLE appears on the screen Touch Confirm to standardize The meter will then return to the DO measure screen Last Standardization 12 Sep 2004 8 59 37 PM Standard Recognition ALITO gt Touch Standarde icon to access standardization mode Show Graph Sample lD Temp 25 5 C ATC Salinity 0 0 ppt Barometer 760 0 mmHg Liser ID Auto Read Std Mode Default OFF AUTO Once meter is calibrated DO Measure screen shows the standard the time date of last standardization and AUTO standard Automatic standardization at two points mg L For two point automatic standardization the O mg L must be the first standardization point followed by 8 26 mg L at O ppt salinity 25 0 C and 760 mmHg The meter will accept readings below 1 mg L for 0 mg L standardization and 50 of the next standard value 1 c A W 8 9 Touch Standardize on the DO measure screen to access the standardize screen If the screen says Not standardized proceed to step 4 Touch Clear if you need to delete the previous standardization values Insert DO probe into a bottle containing O mg L solution Allow probe to stab
215. quential Sample ID and return to the mV Setup screen To deactivate the sample ID assignment None 1 Touch None to deactivate the sample ID assignment Sample ID MANUAL SEQUENCE NONE 1000 83 accumet excel gt Conductivity Setup Conductivity Standards Set Standard Conductivity Standards This setup option shows the set conductivity standards available for auto standard recognition If Manual standard recognition is selected the Conductivity Standards section will be blank Conductivity Standards Rm Auto Manual Single Point Multi Point Conductivity Standards Standard Manual Single Point Point Recognition J Setup Screen with Manual Standard Recognition Select Standard Recognition This option allows you to select Automatic standard recognition or manual standard recognition when standardizing With the automatic standard recognition activated the meter will automatically recognize the buffers from the preset group 84 uS 1 413 mS 12 88 mS and 111 8 mS and accept them when the meter recognizes the reading as stable When in the Manual standard recognition mode you must enter the buffer value during the standardization procedure The meter will accept the manually entered buffer once the measurement is stable This option also allows you to choose single point or multi point standardardization Use the single point standardization option if you are measur
216. r once the reading has become stable STABLE will be displayed unless the Stable indicator has been turned OFF in the Setup mode Remember to setup your measuring mode parameters refer to DO Setup section for instructions DO in Sat te DO measure screen Standardize without standardization Mot standardized Log Data 64 Profile Sample ID Temp 25 4 C ATC User ID Default Salinity 0 0 ppt Auto Read OFF Barometer 757 mmHg Std Mode AUTO 135 accumet excel Operation Standardizing XL40 and 60 meters The XL40 and XL60 meter has two standardization modes for saturation and mg L automatic and manual The factory setting is for a one point automatic standardization in saturation Refer to the setup section to choose measuring units one or two point standardization and automatic or manual standardization There is no standardization for mbar measuring units DO in 5 Channel 4 110 1 STABLE 100 Last Standardization 9 2004 8 59 37 Standard Recognition AUTO gt Touch Standardize icon to access standardization mode gt Touch Confirm to Standardize the buller gt Touch Clear to clear tha previous Standaniization snow Grand gt Touch Cancel to retur to the Measurement gt Touch Temp Std for Temperature Standardization SampleiD Temp 25 5 AE 258C ATC User ID Default
217. re Coefficient 108 Set Alarm 0 2 109 Set Print Criteria cesi PeretrxrE b EE Fee 109 Set Data Storage Criteria 110 Set Display 110 View Stored 110 Conductivity Operation About Conductivity Measurement 154 Standardizing 2 155 156 With Auto Buffer Recognition 155 With Manual Buffer Recognition 156 Temperature Standardization 157 Conductivity 158 Graphing Function 2 159 WaN Or 160 Compliance 160 Appendix Setting the XL Series Meters User Profiles 161 163 XL Series Meters Factory Default Settings 164 166 XL Series Meters PIE TORIO ORT rar etai a Eo 167 168 Background and Color Adjustment 169 170 Replatinization 181 Conductivity 22 182 184 Replacement 185 187 accumet excel XL 40 Meter Table of Contents
218. reen 2 Touch the Setup button to access the TDS Setup screen If you were in quadruple triple or dual display mode you have access to the Setup mode for each channel displayed Touch the Setup Channel buttons at the top of the screen to toggle back and forth between the setup screens for each channel To change TDS parameters select the TDS Setup button 1 Setup pHich2 Setup pH Fet Setup 105 Setup If you were in single display mode you will access the Setup mode for the single channel displayed only OK TDS Setup 100 accumet excel gt To Set Sample ID A sample ID is required if you wish to log data or activate a timed printing Whenever this option is active each time you touch Log Data on the TDS Measure screen the TDS value along with date time channel and the sample ID will be sent to data storage You can manually enter an alphanumeric identification number of 10 characters for any sample or you can have the meter sequentially number your samples beginning at the number of your choice You can also choose to deactivate the sample ID The TDS Sample ID is set the same way as previously described in Conductivity Setup See Conductivity Setup Set Sample ID section for instructions Sample ID MANUAL SEQUENCE NONE 1000 To Set Calibration Point s This option also allows you to choose single point or multi point standardardization Use the single point standar
219. related to the hydronium ion concentration or pH of a solution in a precise way The relationship between the electrode s voltage and the solution pH is defined by the Nernst equation 2 3RT Emeas E nF pH In this equation Emeas is the voltage output of the electrodes E is the total of all other voltages in the system including the reference voltage R is the Gas Law constant T is the temperature in Kelvin n is the charge on the hydronium ion 1 and F is the Faraday constant pH Meter The pH meter is a sensitive voltmeter capable of accurately measuring small voltage differences between the pH electrode and the reference electrode This voltage difference is amplified and shown as a pH reading Almost all modern meters are microprocessor controlled and programmed to use electrode voltages efficiency and temperature to calculate an accurate pH for the sample Since the voltage output from different electrodes will vary it is essential to calibrate a pH meter The ability to calibrate or to standardize a pH meter permits the meter to match the pH reading on the meter with the known pH value of a buffer solution For best accuracy it is recommended that at least two buffer solutions be used to calibrate a pH meter Buffer solutions are available as ready to use solutions concentrated solutions capsules or prepackaged salts The following table lists three of the most widely used NIST buffers along with their pH values at
220. ressure If this value is different than the current barometric pressure displayed on the XL40 and XL60 you must calibrate the internal barometer See below to set the barometer DO NOT use the barometric pressure issued by the weather service since this value is adjusted to sea level The barometer can be set from 450 to 825 mmHg or 599 to 1099 mbar To set Barometer 1 Touch mmHg or mbar to choose desired barometric units 2 The current internal barometric pressure value is displayed on the Barometer box 3 Touch the Barometer box and use the numeric keypad on the screen to enter the actual barometric pressure The BS key allows you to remove characters that are incorrectly entered 4 Touch Enter on the keypad to accept the barometric pressure value and return to the Setup screen 68 accumet excel gt DO Setup Set Salinity Set Alarm Limits XL40 and 60 meters Set Salinity Water containing high levels of dissolved salts reduces dissolved oxygen in that water versus water with little or no dissolved salts The dissolved salts alter the relationship between the partial pressure of oxygen and the oxygen concentration in water By setting the salinity in ppt of your sample the XL40 and XL60 meter will compensate for the impact of salinity on the partial pressure oxygen concentration relationship of your sample The salinity can be set from 0 to 45 ppt To set Salinity 1 The current internal salinity value is displ
221. rrent being carried by the migration of the dissolved ions This is a clear distinction from the conduction of current through metal which results from electron transport The conductance of a solution is proportional to and a good though nonspecific indicator of the concentration of ionic species present as well as their charge and mobility It is intuitive that higher concentrations of ions in a liquid will conduct more current Conductance derives from Ohms law E IR and is defined as the reciprocal of the electrical resistance of a solution C 7 1 R C is conductance siemens R is resistance ohms One can combine Ohms law with the definition of conductance and the resulting relationship is is current amps E is potential volts In practice conductivity measurements involve determining the current through a small portion of solution between two parallel electrode plates when an ac voltage is applied Conductivity values are related to the conductance and thus the resistance of a solution by the physical dimensions area and length or the cell constant of the measuring electrode If the dimensions of the electrodes are such that the area of the parallel plates is very large it is reasonable that more ions can reside between the plates and more current can be measured The physical distance between the plates is also critical as it effects the strength of the electric field between the plates If the plates are clo
222. rs You can view your data as a real time graph on screen to display ion concentration changes over time The graph refreshes every hour from the start of graphing 1 To view your data in graph format touch Show Graph 2 To start plotting data touch Start Plotting To stop plotting data touch Stop Plotting Once the plotting is stopped the displayed graph can be dragged left right and up down 3 To view your data more closely touch Zoom In To view more data at one time touch Zoom Out To hide the graph touch Hide Graph 15 EN Time Seconds Time Elapsed 0 Hour 153 accumet excel gt Conductivity Operation About Conductivity Measurement XL20 30 50 and 60 meters The XL20 XL30 XL50 XL60 meters allows you to measure conductivity resistivity TDS total dissolved solids and salinity Each mode is independent from one another and needs to be standardized separately However the basic procedure for standardization and measurement is similar for each mode This manual will focus on conductivity standardization and measurement with the variations for other modes noted Each measuring mode has four measuring ranges Conductivity 0 to 200 0 uS 200 0 uS to 2 000 mS 2 000 to 20 00 mS and 20 00 to 500 0 mS Resistivity 0 to 20 00 KOhms 20 00 to 200 0 KOhms 200 0 KOhms to 2 000 MOhms and 2 000 to 100 0 MOhms TDS 0 to 200 0 x TDS factor ppm 200 0 x TDS factor to 2000 x TDS factor ppm 2 000 x TDS factor
223. s a theoretical slope value that is used in the calculations to determine the efficiency of your electrode This slope value is not the slope value that is displayed in the data box of the measurement screen You will still need to standardize the meter using ion standards to determine the actual efficiency of your electrode To select electrode type 1 Touch the Electrode Type box to view the list of electrodes 2 Use the scroll bar to select the desired electrode type Electrode Type AMMONIA Changing electrode type will erase the previous standardization If you are using several different electrodes you can create a different User Profile for each electrode to save individual parameters and calibration information i e Ammonia Samples or Sodium Batch Testing See Appendix Setting the XL Series Meters User Profiles section for directions on how to set up a user profile Select Measurement Units This screen lets you select the units in which the meter will report the concentration of the ion of interest The current units are displayed on the screen To select measurement units 1 Touch the Measurement Unit box to view the list of measurement units 2 Use the scroll bar to select the desired units Once the unit has been calibrated with a particular unit of measurement if an attempt is made to change the units the unit comes out with a warning message Changing the measurement unit will erase previo
224. same way as previously described in Conductivity Setup See Conductivity Setup Select Reference Temperature section for instructions Default Temperature 29 0 F K To Set Reference Temperature This setup option lets you select the reference temperature to be used in the determination of the resistivity of your sample The reference temperature is the temperature to which the resistivity readings would be normalized The reference temperature can be set from 15 C to 30 C The Resistivity Reference Temperature is set the same way as previously described in Conductivity Setup See Conductivity Setup Select Reference Temperature section for instructions Reference Temperature 2al C F K To Set Temperature Coefficient NOTE The meter and probe with ATC will measure temperature even if the temperature coefficient is set The temperature coefficient is a value that reflects the degree to which the sample s resistivity is effected by temperature changes The meter will use the set temperature coefficient along with the measured temperature provided by the ATC probe to calculate what the resistivity would be at the selected reference temperature If no ATC probe is being used the meter will use the set default temperature in the calculation The temperature coefficient can be set from 0 to 10 000 to 0 0 however a temperature The Resistivity Temperature Coefficient is set the same way as correction will not previously des
225. se all applications and log off From the HOME screen tap the bottom of the screen to bring up the task bar Tap Start gt Shut down This launches Shut down window Tap the Yes button on Shut down window to power off the meter Caution Do not remove power from the XL meter until the meter shuts down 10 accumet excel gt Getting Started pH and lon Probes XL15 20 25 50 and 60 meters The XL series meters XL15 XL20 XL25 XL50 and XL60 allows you to use two types of pH electrodes the conventional glass pH electrode and the AccuFET field effect transistor FET pH electrode 1 Carefully remove the protective cover from the end of the electrode Before first using your glass pH electrode or whenever the electrode is dry soak it 2 4 hours in an electrode storage solution pH 4 Buffer or KCI solution C EX NN NN n SN g N t 2 Remove the shorting cap on BNC connector Connect the combination pH electrode by plugging it into the BNC input connector twisting to lock in place If a combination electrode isn t used connect the indicating pH electrode into the BNC input connector Plug the reference electrode into the reference pin jack Also install the ATC probe into the ATC jack Note Be sure to connect all probes to the Shorting cap appropriate channel connectors for example pH1 Ref 1 and ATC1 Option Connect the optional AccuFET electrode Do not discar
226. se and the electric field is strong ions will reach the plates more quickly than if the plates are far apart and the electric field is weak By using cells with defined plate areas and separation distances it is possible to standardize or specify conductance measurements Thus comes the term specific conductance or conductivity The relationship between conductance and specific conductivity is Specific Conductivity S C Conductance cell constant k siemens siemens cm C is the Conductance siemens k is the cell constant length area or cm cm Since the basic unit of electrical resistance is the ohm and conductance is the reciprocal of resistance the basic unit of conductance was originally designated a mho ohm spelled backwards however this term has been replace by the term Conductivity measurements are reported as Siemens cm since the value is measured between opposite faces of a cell of a known cubic configuration With most aqueous solutions conductivity quantities are most frequently measured in microSiemens per cm uS cm or milliSiemens per cm mS cm The accumet XL20 30 50 and 60 meter not only measures conductivity readings from micro or milli Siemens but also reads resistivity Ohms kOhms and MOhms TDS ppm and ppt and salinity ppt 182 accumet excel gt The salinity scale which ranges from to 90 ppt is a measure of all salts not just sodium chlori
227. set the status of the alarm of conductivity mode Touch the Low box and use numeric keypad to enter the new limit values Touch Enter on the keypad to accept this limit and return to the conductivity Setup screen Touch uS or mS to select conductivity units of low alarm value Touch the High box and use numeric keypad to enter the new limit values Touch Enter on the keypad to accept this limit and return to the conductivity Setup screen Touch uS or mS to select conductivity units of high alarm value WD gt Alarm Lirnits 87 accumet excel gt Conductivity Setup Set Print Criteria XL20 30 50 and 60 meters This screen allows you to select which criteria are printed with the measurement when you print the data or send it to a computer The status of the current print criteria is displayed on the screen The criteria option is active if ON appears to the right of the option It is inactive if OFF appears to the right of the option Any active criteria will be printed on demand To set Print Criteria 1 Touch the Touch here to edit button next to the Print Criteria to access the Conductivity Print Criteria Setup screen 2 Touch ON or OFF to change the status of a criteria you want to modify 3 Repeat step 2 for all the remaining criteria except Print Interval or Print Option 4 For Print Interval or Print Option select between Log Data and Timed If Log Data is selected clicking on the
228. since usually only one of the pair is broken or malfunctioning However the pH indicating half cell and the reference half cell can be merged into one electrode a combination electrode Combination electrodes are quite popular for they offer distinct advantages in convenience and compactness Some combination electrodes also incorporate an ATC probe into their body also providing temperature readout and compensation with meters equipped with these features Newer combination electrodes are available in which the glass pH membrane sensor has been replaced with a field effect transistor or FET All of Fisher Scientific s AB AR and XL meters are capable of using this type of electrode by direct connection except AB30 175 accumet excel gt lon selective electrodes ISE respond to ionic activity or concentration in a liquid because of the characteristics of the electrode s sensing membrane Ideally the ISE develops an electrical potential which is proportional to the activity or concentration of the ion for which the membrane is selective For example the fluoride electrode can be used to directly sense fluoride ion in drinking water Analyses utilizing ion selective electrodes offer the advantages of speed ease of operation low cost and versatility over other analytical techniques The ISE can measure the ion concentration of samples at very high levels gt 1000ppm to very low levels lt 1ppm When an ISE the indic
229. standardization methods Applicable only for XL25 XL50 and XL60 9 Standardize Dissolved Oxygen with up to two standards Applicable only for XL40 and XL60 9 Customize your display and operating parameters A for XL15 XL20 XL25 XL30 XL40 XL50 and 9 Assign operator and sample identification numbers for XL15 XL20 XL25 XL30 XL40 XL50 and Specify ion selective electrode type Applicable only for XL25 XL50 and XL60 9 Store 1000 data points per user in the meter s memory Applicable for XL15 XL20 XL25 XL30 XL40 XL50 and or transfer data to a computer or printer XL60 9 Access extensive help with just a touch of a button for XL15 XL20 XL25 XL30 XL40 XL50 and It all adds up to rapid completely automatic intuitive operation accumet excel Introduction XL15 20 25 30 40 50 and 60 meters Unpacking the Meter The following is a listing of what you should have received with your new accumet XLseries bench top meter Meter only includes XL15 XL20 XL25 XL30 XL40 XL50 XL6O electrode arm support bracket le e o o je o manual and literature e o o If any of these items are missing please contact the accumet Technical Support Hotline at 1 888 358 4706 Accessory Conductivity Useful tips will appear Probes and lon Selective Electrodes are available and can be in this box throughout ordered by calling Fisher Customer Service at 800 766 7000 this man
230. t 1 Top Print Range Orientation All Portrait Selection Landscape Draft Sample ID 2 r User ID Default Auto Buffer ON Auto Read OFF Print icon will appear only in single channel measurement mode When a HP 1022 printer is connected to XL Series meter you can select either PCL Laser or HP LaserJet 1022n and port LPT1 from the print dialog box as shown in above diagrams 167 accumet excel gt Appendix XL Series Meters Print Function XL15 20 25 30 40 50 and 60 meters To print using IrDA Infrared port 1 Power on the XL Series meter and go to single measurement mode 2 Align the IrDA port on the back of the XL Series meter with the IrDA port on the printer to establish link 3 On the Measure screen touch Print to initiate the print function 4 The print dialog box is displayed on the screen 5 Select the correct printer using the Printer drop down box selection 6 Set the Port drop down box selection to IrDA 7 Make all other selections as needed and then touch OK to start sending data Ensure that the Draft Box in the Print dialog box is always checked to avoid improper printing NOTE The XL meter should be powered on and be in the measurement mode before the printer is connected to it 168 accumet excel gt Appendix Background and Text Color Adjustment XL 15 20 25 30 40 50 and 60 meters The Display Color Setting opt
231. t all SOUR Setup Criteria to the factory default 79 accumet excel gt SOUR Setup SOUR Configuration 40 and 60 meters This screen allows you configure the SOUR dilution factor minimum time in minutes for the test maximum time in minutes for the test minimum starting DO minimum Ending DO and solids weight in grams per liter All values for these parameters are entered via a numeric keypad Dilution factor can be set from 1 to 25 if no dilution was required use a factor of 1 Minimum time should be less than the maximum time for the test 10 character limit for time in minutes Minimum starting DO can be set from 5 to 60 Minimum ending DO can be set from 0 to 60 To set SOUR Configuration 1 2 Touch the Touch here to edit button next to the SOUR Configuration to access the OUR Configuration screen Touch the Dilution Factor 1 to X box and use the numeric keypad on the screen to enter desired value The BS key allows you to remove characters that are incorrectly entered Touch Enter on the keypad to accept the value and return to the SOUR Configuration screen Repeat steps 2 and 3 for the remaining boxes Minimum Time min Maximum Time min Minimum Starting D O Minimum Ending D O and Solids Weight g L Touch the OK button to accept the changes of the entire SOUR configuration and return to the SOUR Setup screen SOUR Configuration Touch here to edit SOUR Configuration Dilution F
232. t can be set from 0 to 90 000 ppt To set Alarm Limits 1 Touch ON or OFF to set the status of the alarm of salinity mode 2 Touch the Low box and use numeric keypad to enter the new limit values 3 Touch Enter on the keypad to accept this limit and return to the salinity Setup screen 4 Touch the High box and use numeric keypad to enter the new limit values 5 Touch Enter on the keypad to accept this limit and return to the salinity Setup screen ON Low Alarm Limits To Set Print Criteria This screen allows you to select which criteria are printed with the measurement when you print the data The status of the current print criteria is displayed on the screen The criteria option is active if ON appears to the right of the option It is inactive if OFF appears to the right of the option Any active criteria will be printed on demand The Salinity Print Criteria is set the same way as previously described in Conductivity Setup See Conductivity Setup Set Print Criteria section for instructions Print Criteria Touch here to edit 109 accumet excel gt Set Data Storage Criteria This screen allows you to select which criteria are stored in the data logger with the measurement when you store the data The status of the current data storage criteria is displayed on the screen The criteria option is active if ON appears to the right of the option It is inactive if OFF appears to the right of the
233. t the same way as previously described in Conductivity Setup See Conductivity Setup Select Reference Temperature section for instructions Reference Temperature 219 0 C F K To Set Temperature Coefficient NOTE The meter and probe with ATC will measure temperature even if the temperature The temperature coefficient is a value that reflects the degree to which the sample s salinity is affected by temperature changes The meter will use the set temperature coefficient along with the measured temperature provided by the ATC probe to calculate what the salinity would be at the selected reference temperature If no ATC probe is being used the fficient i t meter will use the set default temperature in the calculation to 0 0 however The temperature coefficient can be set from 0 to 10 000 a temperature correction will not be applied to the measurement The Salinity Temperature Coefficient is set the same way as previously described in section Conductivity Setup Set Alarm Limits Temperature Coefficient 2 100 Oo 108 accumet excel gt Salinity Setup XL20 30 50 and 60 meters To Set Alarm Limits This option allows you to set alarm limits for the salinity measuring mode If the salinity value of the measurement is outside of the boundaries set by the minimum and maximum limits audible and visual warnings will let you know that your sample measurement was outside of the set limits The Alarm Limi
234. tants to constants your choose from Each is used for a different range of salinity calibration factor will automatically reset to default values It is recommended that you standardize your meter to establish a new calibration factor The Salinity Cell Constant is set the same way as previously described in Conductivity Setup See Conductivity Setup Stable Indicator Auto Read Mode Cell Constant section for instructions Cell Constant 0 100 cm 1 000 cm 10 00 cm To Set Default Temperature Salinity is a temperature dependent measurement This option allows you to select a default temperature that the meter will use along with the temperature coefficient to calculate a temperature corrected salinity measurement If an ATC probe is used any value entered as a default temperature will be overridden in favor of the actual measured temperature of the solution provided to the meter by the ATC probe The default temperature can be set from 10 C to 110 C The Salinity Default Temperature is set the same way as previously described in Conductivity Setup See Conductivity Setup Select Reference Temperature section for instructions Default Temperature 25 0 F K To Set Reference Temperature This setup option allows you to select the reference temperature to be used in the determination of the salinity of your sample The reference temperature can be set from 15 C to 30 C The Salinity Reference Temperature is se
235. the option The Resistivity Display Criteria is set the same way as previously described in Conductivity Setup See Conductivity Setup Set Display Criteria section for instructions Display Criteria Touch here to edit To View Stored Data The XL20 XL30 XL50 and XL60 have a memory capacity to store up to 1000 data points The View Stored Data screen allows you to sort and look at specific data points stored in the meter based on the meters memory capacity The stored data can be sorted by any of the parameters available in the screen header The meter stores resistivity data under the following parameters Reading Temperature Coefficient Date Time Channel Cell Type Sample Id Last Standardizations Temperature Meter Model Serial No Reference Temperature Operator Viewing Stored Resistivity Data is done the same way as previously described in Conductivity Setup See Conductivity Setup View Stored Data section for instructions OK Cancel View Help Reset 98 accumet excel gt TDS Setup TDS Setup Screen XL20 30 50 and 60 meters Available in XL20 XL30 XL50 and XL60 meters the TDS Setup screen present many options to control the operating parameters of the meter The meter is factory set with regard to these options and is ready for use under most circumstances see Appendix XL Series Meters Factory Default Settings section for default settings The operating parameters of the TDS mode can be set
236. the sample temperature is significantly different than that of the standard When the small volume of hot sample is added to the larger volume the temperature impact becomes negligible Analate Subtraction Useful when there is no ion specific electrode available to directly measure the concentration of the ion of interest This method employs the addition of a sample of the ion of interest to a standard containing a different ion of known concentration The ion of interest will quantitatively react with the ion in the standard creating a complex and removing the ion from the standard solution The ion specific electrode is specific for the ion in the standard solution and not for the ion of interest The difference in mV potential is used to calculate the concentration of the ion of interest based upon this quantitative reaction To select lon Method 1 Touch the Arrow key to the right of lon Method 2 Touch the desired method Ton Method Direct Reading with Standards 53 accumet excel gt Select Electrode Type This screen lets you select the type of electrode that is specific for your ion of interest Your choice of electrode informs the meter which default slope to use in the calculations made for electrode efficiency and sample concentration Once you have selected an electrode you will not be required to enter the default slope numerically Note the default slope value specific for the electrode that you choose i
237. the start of graphing 1 To view your data in graph format touch Show Graph 2 To start plotting data touch Start Plotting To stop plotting data touch Stop Plotting Once the plotting is stopped the displayed graph can be dragged left right and up down 3 To view your data more closely touch Zoom In To view more data at one time touch Zoom Out 4 To hide the graph touch Hide Graph Resolution E josms 159 accumet excel gt Meter Electrode and Probe Warranty Statement The Fisher Scientific Company Fisher warrants to the direct purchaser that the accumet meters and Accumet AccuTupH AccuFET AccupHast and Microprobe electrodes will be free from defects in material or workmanship for a specified warranty period During that period Fisher will repair or replace the product or provide credit at its sole option upon prompt notification and compliance with its instructions Warranties listed below are from delivery date WARRANTY FOR METER WARRANTY FOR ELECTRODES amp PROBES For Display 12 months For electrode models 13 620 532 to 13 620 539 6 months For All Other Meter Components 36 months For other electrode models 12 months Unless otherwise agreed the warranty is limited to the country in which the product is sold No Fisher employee agent or representative has the authority to bind Fisher to any oral representation or warranty concerning any product sold Any oral r
238. ting buffer groups are USA buffers 2 00 4 00 7 00 10 00 12 00 200 400 700 1000 ee European buffers 1 00 3 00 6 00 8 00 10 00 13 00 NIST buffers 1 68 4 01 6 86 9 18 12 45 To select a buffer group 1 Touch USA EURO NIST or CUSTOM from the setup screen to select a buffer group To set a Custom pH buffer group This option allows you to create a custom buffer group of up to 5 buffers 2 buffer minimum to be used for auto buffer recognition To obtain optimal results it is important to maintain at least 1 pH unit between selected buffers in the custom group 1 Touch CUSTOM on the setup screen to select a custom buffer This will display a set of 5 custom beakers each initialized to zero Touch one of the beakers to display the numeric keypad Enter a value for the custom pH buffer that you want set in your custom buffer set Press Enter in the keypad to accept the value Repeat steps 2 through 4 until all 5 custom buffer beakers are populated with desired values 6 To modify the value entered touch the particular beaker and key in the new value using keypad To clear all custom buffer values touch CLEAR oR WN Butter Group EURO NIST CUSTOM 32 accumet excel gt pH Setup Select Auto Read Mode XL15 20 25 50 and 60 meters Select Buffer Recognition This option allows you to select Automatic buffer recognition or manual buffer recognitio
239. tivity 100 1 uS cm 16 Nov 2005 11 31 50 aM chs 25 0 C Default Setup screen from the View Stored Data 100 1 uS cm 16 Nov 2005 11 31 49 AM Ch5 25 0 C Default 100 1 uS cm 16 Nov 2005 11 31 48 AMjCh5 7 25 0 C Default screen 100 1 uS cm 16 Nov 2005 11 31 47 AM chS 6 25 0 C Default 16 Nov 2005 11 31 46 AM Ch5 5 25 0 C Default i 16 Nov 2005 11 31 45 AM ChS 4 25 0 C Default When you touch the Help button information 100 1 uS cm 16 Nov 2005 11 31 44 5 25 0 C Default about the current screen appears This 100 1 uS cm 16 Now 2005 11 31 43 5 2 25 0 C Default 1 100 1 uS cm 16 Noy 2005 11 31 41 5 25 0 C Default information includes step by step instructions for operating the meter from the current screen and possible applications information for that screen Touch Delete to delete a selected data point from the list To delete a data point first touch the data point you want to delete then touch the Delete button Touch Delete All to delete all the data point in the memory Touch Print to print all the data points in the memory Export View and Header See next page for Export View and Header 91 accumet excel gt Conductivity Setup View Stored Data XL20 30 50 and 60 meters Touch Export View and Header or Export View to save your data in HTML format The file can be stored in either the Nand flash SD Card or any of the other available l
240. to access standardization mode 1 Temp 25 5 UserID Default 0 0ppt Std Mode AUTO Barometer 760 0 mmHg BOD Measure screen with STABLE indicator ON 143 accumet excel gt DO Operation BOD Measurement XL40 and 60 meters BOD Calculation Parameters The Calculation parameter screen requires you to enter information regarding the current sample or seed The meter comes set to default values to measure for sample reading and to set it to measure for a seed reading the Seed button should be pressed The Current Reading text box will show the current DO measurement of the sample or seed The Bottle ID text box allows you to enter the bottle ID of the sample or seed for a new reading for the selection of Add new Sample Seed option from the scroll selection To Enter BOD Calculation Parameter Screen 1 Touch BOD on the BOD measurement screen 2 You are now in the BOD Calculation Parameter Screen See To measure BOD of the Sample and To measure BOD of the Seed for instructions Current Sample Type SAMPLE Reading 17 56 sm Select Existing ID Bottle ID Add new Sample Seed Apply BOD Detail Available Sample ID View Result I Button Function for BOD Calculation Parameter Screen Touch Select View to go to view option selection screen Touch View Result to go to the BOD measurement result screen Touch Exit to go back to the BOD measureme
241. to select the stability indicator speed Select Auto Read Mode This setup option allows you to select the activity of the Auto read mode If the Auto read is active AUTO the meter will freeze the reading on the screen when the measurement becomes stable To unfreeze the reading the Measure button must be pressed If the Auto read is inactive MANUAL the meter provides continuous monitoring of the sample The stable indicator will appear in manual read mode if the measurement is stable and the stable indicator is turned ON but will not freeze the reading if there is any fluctuations in that reading To select Auto Read Mode 1 Touch AUTO or MANUAL to choose the desired read mode Auto Read Mode MANUAL NOTE In BOD OUR and SOUR setup modes the Auto Manual Read Mode is not available See BOD OUR and SOUR Setup for details 67 accumet excel gt DO Setup Select Temperature Units Select Barometer XL40 and 60 meters Select Temperature Units This setup function allows you to choose the temperature units show in the measurement screen celsius fahrenheit or Kelvin To select Temperature Units 1 Select temperature units by touching the appropriate unit button C Celsius F Fahrenheit or K Kelvin Temperature Units Set Barometer The XL40 and XL60 meters use an internal barometric pressure sensor in both the auto and manual calibration mode Prior to calibration check the actual barometric p
242. ts rather than activity Therefore neglecting activity pH can be defined by the following equation pH log with H30 representing the concentration in Moles liter of the hydronium ion in solution The pH range includes values from 0 to 14 Values from 0 to 7 represent the acidic half of the scale Values from 7 to 14 represent the alkaline or basic half of the scale The pH value 7 is considered neutral as it is neither acidic or alkaline The pH scale is based on the dissociation constant of water Water even in its purest state dissociates as follows producing a positively charged hydronium ion H30 and a negatively charged hydroxyl ion OH 2H2O H30 OH 172 accumet excel gt Appendix pH Theory XL15 20 25 50 and 60 meters At 25 C in pure water the concentration of hydronium ions is extremely small 1 x 10 Moles liter and balanced by an equal concentration of hydroxyl ions The equilibrium constant Kw of water is the product of the hydronium ion and hydroxyl ion concentrations Kw 1x10 1x10 1x10 Since the hydronium ion concentration is 1 x 10 Moles liter the pH of pure water is 7 the neutral pH as stated above pH log 1 x 107 7 In aqueous solutions at 25 C the product OH or the Kw of water must remain constant Therefore an increase in concentration of either term or OH will result a decrease in the other For
243. u have selected one of the incremental methods known addition known subtraction analate addition or analate subtraction in the lon Setup screen 1 Add ionic strength adjuster to the standards 2 Immerse the ion selective electrode in the stirring standard Always begin standardization with the least concentrated ion standard Touch Standardize to initiate standardization Use the keypad to enter value of the standard 5 Touch Enter on the keypad to accept this value If you have entered a value in error touch BS to clear the value and key in a new value 6 The meter accepts the value and the standard icon starts blinking When the Stable icon appears on the screen press the Confirm icon to confirm the standardization 7 Repeat with additional standards up to five gt 125 accumet excel gt Measuring Concentration in Samples Using the Known Addition Method When performing known addition you will add an aliquot of standard solution containing the ionic species of interest to a known volume of your sample The mV readings of the sample are taken before and after the addition of the standard The concentration of the sample can then be calculated based upon the difference in the mV readings The use of the incremental methods requires that certain parameters be identified In addition to the millivolt outputs of the electrode s in both the sample and the sample plus the standard it is necessary t
244. ual Accessory pH ISE and Conductivity probes are available and can be ordered by calling Fisher Customer Service at 800 766 7000 2 accumet excel gt XL Series Meters Specifications XL15 20 25 30 40 50 and 60 meters Display 640x480 digit LCD screen size 4 1 2 x 6 menu options extensive help screens extensive configurable display yes keypad controls context specific touchscreen Applicable for XL15 XL20 XL25 XL30 XL40 XL50 and XL60 General inputs outputs ATC DIN FET XL15 XL20 XL25 XL50 and XL60 DIN Conductivity XL20 XL30 XL50 and XL60 DIN DO XL40 and XL60 S232 USB B USB A RJ45 Applicable for all models electrical requirements 115 V 60 Hz 230 V 50 Hz output from PSU 9VDC 3 3A center negative line voltage tolerance 10 input impedance gt 10 ohms meter size 6 5 x9 25 x3 5 meter weight 2 8 Ib wem was 1000 data pts internal diagnostics yes programmable data storage store on stable time manual programmable data output timed or logged data print interval 3 to 86400 sec programmable alarm yes Applicable for XL15 XL20 XL25 XL30 XL40 XL50 and XL60 PH Mode range 2 000 to 20 000 resolution 0 1 0 01 0 001 relative accuracy 0 1 0 01 0 002 1 Lsd automatic buffer recognition yes manual buffer recognition yes calibration points D auto lock yes FET yes Applicable only for XL15 XL20 XL25 XL50 and XL60 ange
245. udes step by step instructions for operating the meter from the current screen and possible applications information for that screen Touch Reset to reset all pH Setup Criteria to the factory default 29 accumet excel pH Setup Access pH Setup XL15 20 25 50 and 60 meters To access the Setup screen 1 Make sure you are in the pH Measure screen 2 Touch the Setup button to access the pH Setup screen If you were in quadruple triple or dual display mode you have access to the Setup mode for each channel displayed Touch the Setup Channel buttons at the top of the screen to toggle back and forth between the setup screens for each channel To change pH parameters select the pH Setup button pHichi Setup pH ch23 Setup DO Setup Cond Setup If you were in single display mode you will access the Setup mode for the single channel displayed only pHichi Setup 30 accumet excel gt pH Setup Set Sample ID XL15 20 25 50 and 60 meters A sample ID is required if you wish to log data or activate a timed printing Whenever this option is active each time you touch Log Data available on the single display pH Measure screen the pH or pH FET value along with date time channel and the sample ID will be sent to data storage You can manually enter an alphanumeric identification number of 10 characters for any sample or you can have the meter sequentially number your samples beginning at the nu
246. up Set Display Criteria section for instructions Display Criteria Touch here to edit To View Stored Data The XL20 XL30 XL50 and XL60 have a memory capacity to store up to 1000 data points The View Stored Data screen allows you to sort and look at specific data points stored in the meter based on the meters memory capacity The stored data can be sorted by any of the parameters available in the screen header The meter stores TDS data under the following parameters Reading Temperature Coefficient Date Time Channel Cell Type Sample Id Last Standardizations Temperature Meter Model Serial No Reference Temperature Operator Viewing Stored TDS Data is done the same way as previously described in Conductivity Setup See Conductivity Setup View Stored Data section for instructions OK Cancel View Help Reset 104 accumet excel gt Salinity Setup Salinity Setup Screen XL20 30 50 and 60 meters Available in the XL20 XL30 XL50 and XL60 meters the salinity Setup screen present many options to control the operating parameters of the meter The meter is factory set with regard to these options and is ready for use under most circumstances see Appendix XL Series Meters Factory Default Settings section for default settings The operating parameters of the salinity mode can be set and controlled from the salinity setup screen The salinity Setup section will guide you through the various options available in t
247. up screen 1 Make sure you are in the Dissolved Oxygen Measure 2 Touch the Setup button to access the Dissolved Oxygen Setup screen If you were in quadruple triple or dual display mode you have access to the Setup mode for each channel displayed Touch the Setup Channel buttons at the top of the screen to toggle back and forth between the setup screens for each channel To change DO parameters select the DO Setup button ox x pH Ch1 Setup pH ich2 setup pHiFet setup po setup If you were in single display mode you will access the Setup mode for the single channel displayed only x D Setup 64 accumet excel gt DO Setup Set Sample ID XL40 and 60 meters You can manually enter an alphanumeric identification number of 10 characters for any sample or you can have the meter sequentially number your samples beginning at the number of your choice You can also choose to deactivate the sample ID To set sample ID Manual 1 Touch Manual for manual Sample ID entry 2 The current ID is displayed on the screen 3 Use the alphanumeric keypad on the screen to enter the desired Sample ID The BS key will allow you to backspace to remove a character that was incorrectly entered 4 Touch Enter to accept current Sample ID and return to the Setup screen To set sample ID Sequential 1 Touch Sequential for sequential Sample ID entry 2 The current ID is displayed on the screen 3
248. us standardization Do you wish to continue Measurement Unit PATI 54 accumet excel gt Select Auto Read Mode You can use this meter when the Auto Read function is active or when it is inactive When the Auto Read function is active the meter will lock onto a reading when the meter recognizes it as stable The meter will not deviate from this reading until Measure is touched If the Auto Read function is inactive then the meter will continuously monitor the concentration of the ion of interest The Measure screen display will indicate any fluctuation in the ion concentration To select Auto Read Mode 1 Touch MANUAL or AUTO to choose the desired read mode Auto Read Mode AUTO MANUAL Regardless of the status of the Auto Read Mode STABLE will be displayed as the meter recognizes the measurement as stable Set lon Stability Criteria This setup screen allows you to determine how quickly the meter will respond to electrode drift There are three speed settings fast medium and slow To set lon Stability Criteria 1 Touch FAST MEDIUM SLOW to choose the desired stability criteria Ion Stability Criteria FAST MEDIUM SLOW Stability criteria are more stringent at the slower setting Therefore if the highest precision is required then a slow setting would be desired The default setting is the FAST and this should be adequate for the majority of applications without making any changes 55 accumet
249. value 0 Use the keypad to enter the volume of ionic strength adjuster used If no ISA was used enter a value of zero 11 Touch Enter to accept the value 12 Use the keypad to enter the concentration of the standard solution 13 Touch Enter to accept the value Your Analate Addition result is now displayed 14 Touch Print to send the data to a printer OR Touch OK to return to the Measure screen for a new measurement 130 accumet excel gt lon Operation Analate Addition Method XL25 50 and 60 meters Ion Measurement mv Channel 1 Ion 241 7 Last Standardization 1 Jan 2002 5 53 18 Current Ion Method Analate Addition E XN gt m 3 i LS a 4 b gt Touch to take ist reading using ANALATE ADDITION Calculated Slope G e ann e y t ie jte gt Touch standardize icon to access standardization mode Reading 1 tu NT ze Reading 2 Sample Yolume Standard volume ISA Volume tiem Sample ID User ID Default lon Type AMMONIA Auto Read OFF Standard Concentration E ie isher Scientific 131 accumet excel gt lon Operation Subtraction Method XL25 50 and 60 meters Measuring Concentration in Samples Using the Analate Subtraction Method The analate subtraction metho
250. vent holes on the electrode 2 Stir the solution with the electrode briefly and then let the electrode sit still in the solution 3 Record the reading once the measurement has become stable STABLE will appear once the meter recognizes that the measurement is stable The meter will automatically change ranges from uS cm to mS cm as required NOTES You can access other functions of the meter with the remaining buttons on the measure screen e Touch Print to send the data to a printer or touch Log Data to log the data to memory if a sample ID has been assigned Touching Setup will access the conductivity Setup screen At anytime you can touch Mode to access another mode of operation including resistivity TDS salinity or the setup mode Conductivity in mS cm Channel 5 Dish Standardize 1 413 f STABLE Last Standardization 26 Apr 2005 7 07 38 PM Standard Recognition ALITO SPC Sample ID 10 Temp 725 0 C Default User ID Default Ref Temp 25 0 Auto Read OFF Std Point Single Point Std Recogn AUTO Coeff 72 100 Cell K 1 000 fcm Range D Cell 2 Cell Std Factor 0 9944 Conductivity Measure screen with STABLE indicator ON 158 accumet excel gt Conductivity Operation Graphic Function XL20 30 50 and 60 meters You can view your data as a real time graph on screen to display conductivity changes over time Time is plotted in seconds The graph refreshes every hour from
251. w Stored Data Total Records B Mu When you touch the Help button 4 Jan 20 9 USA a information about the current screen ae arcane sa appears This information includes step EC by step instructions for operating the 4 Jan 20 4 meter from the current screen and ME AT s possible applications information for that 4 Jan 20 1 screen Touch Delete to delete a selected data point from the list To delete a data point first touch the data point you want to delete then touch the Delete button Touch Delete All to delete all the data point in the memory Touch Print to print all the data points in the memory See next page on Export View and Header or Export View for explanation Tx E Export View and Header 39 accumet excel gt pH Setup View Stored Data XL15 20 25 50 and 60 meters Touch Export View and Header or Export View to save your data in HTML format The file can be stored in either the Nand flash SD Card or any of the other available locations as shown in the window After having selected the path touch the alphanumeric keypad to name your file Edt view Favortes J e 7 Ola ala address Ph htm Meter Model a a Reading Jan 2 2002 bo pue 2 Jar Total Records p Sample Id A NNN MON NM C3 Program File Temp Windows 12 001 12 001 4 07 12 AM Ch1 2 Jan 2002 4 07 09 AM Ch1
252. what the pH of the sample is at another temperature it will permit you to accurately assess the pH at whatever temperature you are presently working pH sensitive membranes are also sensitive though to a lesser extent to other ions than the hydronium ion For example most pH glasses are somewhat sensitive to sodium ion as well For some pH glasses this means an error as high as 0 5 pH units in highly alkaline high sodium solutions The special FS 5 glass used in Fisher s pH electrodes exhibits much less sodium error in these solutions 05 pH units Reference electrodes typically consist of three elements an internal reference electrode a filling solution and a reference junction through which the filling solution can flow and provide electrical contact with the sample and the internal reference electrode The most convenient internal reference electrodes are made from a metal such as silver or mercury and its sparingly soluble salt silver chloride or mercurous chloride The filling solution is most often a concentrated solution of potassium chloride Most problems with reference electrodes are associated with the interruption or blockage of flow of the potassium chloride fill solution through the reference junction The classic electrode pair separate pH indicating and reference half cells offer you unmatched versatility to match the needs of your sample This approach makes for the highest accuracy as well as low replacement costs
253. y enter an alphanumeric identification number of 10 characters for any sample or you can have the meter sequentially number your samples beginning at the number of your choice You can also choose to deactivate the sample ID To set sample ID Manual 1 Touch Manual for manual Sample ID entry 2 The current ID is displayed on the screen 3 Use the alphanumeric keypad on the screen to enter the desired Sample ID The BS key will allow you to backspace to remove a character that was incorrectly entered 4 Touch Enter to accept current Sample ID and return to the mV Setup screen To set sample ID Sequential 1 Touch Sequence for sequential Sample ID entry 2 The current ID is displayed on the screen 3 Use the numeric keypad on the screen to enter the desired Sample ID number that you would like your sequential Sample ID assignment to begin with Every time you touch Print or Log Data on the pH Measure screen the Sample ID will increase by 1 The BS key will allow you to backspace to remove a character that was incorrectly entered 4 Touch Enter to accept the first sequential Sample ID and return to the mV Setup screen To deactivate the sample ID assignment None 1 Touch None to deactivate the sample ID assignment Sample MANUAL SEQUENCE 43 accumet excel gt mV Setup Set Alarm Limits XL15 20 25 50 and 60 meters This option allows you to set alarm limits for the mV measuring mode If the
254. you go to the main screen of the application The second time you are logged in as the default user of the system The Help button allows you to access helpful information on any screen Touching the Help button gives you information about the current screen This information will include step by step instructions for operating the meter from the current screen and possible applications information for that screen 22 accumet excel Using the XL Series Meter Button Functions XL15 20 25 30 40 50 and 60 meters The following buttons appear in the XL series meters Mode screen Replatinization is the process of replacing the platinum on the surfaces of the 2 cell oo conductivity probes that may flake or wear off over time The platinum on the surface of Replat the probe is used to increase the surface area of the measuring surface resulting in 4 decreased polarization error Replatinization is a relatively quick procedure to perform taking no more than 5 minutes See Appendix Replatinization for procedure Note Replatinization function is available in XL20 XL30 XL50 and XL60 meters only The About button lets you view the software revision and serial number details p The Sys Setup button allows you to turn on or off the beep status This is the audible beep that sounds each time any button is touched Sys Setup The Multi Channel button lets you view multiple channels at the same time A Note This is
255. you through the various functions by displaying easy to understand prompts This operating manual should answer any questions that might arise in operating your meter however do not hesitate to call our accumet Technical Support Hotline at 1 888 358 4706 if you need any assistance This meter is designed to provide all the information necessary to guide you through the measurement process with a series of prompts on the screen The XL series meters provide microprocessor precision in a compact bench top design that is easy to use letting you 9 Measure pH or pH FET absolute mV or relative mV Applicable only for XL15 XL20 XL25 XL50 and XL60 9 Measure ion concentration Applicable only XL25 XL50 and XL60 9 Measure conductivity resistivity Total Dissolved Solids TDS and salinity Applicable only for XL20 XL30 XL50 and XL60 9 Measure DO BOD OUR and SOUR Applicable only for XL40 XL60 9 Select one of three sets of standard pH buffer groups Applicable only for XL15 XL20 XL25 XL50 and XL60 9 Standardize with up to 5 pH standard or custom buffers Applicable only for XL15 XL20 XL25 XL50 and XL60 9 Standardize with up to 4 conductivity standards Applicable only for XL20 XL30 XL50 and XL60 9 Implement automatic pH buffer recognition Applicable only for XL15 XL20 XL25 XL50 and XL60 9 Implement automatic conductivity standard recognition Applicable only for XL20 XL30 XL50 and XL60 9 Select one of six ion

Fisher Scientific accumet XL Series User Manual

Contents

Download Pdf Manuals

Related Search

Related Contents