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YSI TruLab 1110 User Manual

1. 47 13 den i 49 14 Contact Information 51 14 1 Ordering amp Technical Support 51 14 2 Service Information 51 6 ba76155e01 03 2014 TruLab pH 1110 Overview 1 Overview 1 1 TruLab pH 1110 meter The TruLab pH 1110 compact digital precision meter enables you to perform pH and ORP measurements quickly and reliably The TruLab pH 1110 provides the maximum degree of operating comfort reli ability and measuring certainty for all applications 1 Keypad 2 Display 3 Socket field 1 2 Sensors A measuring system ready to measure consists of the TruLab pH 1110 meter and a suitable sensor The TruLab pH 1110 can be operated with the following sensors pH electrode ORP electrode Information on available sensors is given on the Internet and in the WTW catalog Laboratory and field instrumentation ba76155e01 03 2014 Safety TruLab pH 1110 2 Safety 2 1 Safety information 2 1 1 Safety information in the operating manual This operating manual provides important information on the safe operation of the meter Read this operating manual thoroughly and make yourself familiar with the meter before putting it into operation or working with it The operating manual must be kept in the vicinity of the meter so you can always find the infor mation you need Impor
2. AutoCal concai ar 41 3 Status information Display Meaning AutoCal TEC Calibration with automatic buffer recognition e g with the AutoCal DIN buffer set Technical buffers ConCal Calibration with any buffers CalError An error occurred during calibration AR Stability control AutoRead is active TP Temperature measurement active Time Setting of calibration interval LoBat Batteries are almost empty 14 ba76155e01 03 2014 TruLab pH 1110 Operation 4 1 4 Socket field e GI 1 pHelectrode 2 Reference electrode 3 Temperature sensor 4 Power pack 5 Service interface 4 2 Switching on the meter 1 Switch on the meter with lt On Off gt The meter performs a self test The meter switches to the measuring mode measured value display 2 Connect the sensor The meter is ready to measure pH 4 3 Switching off the meter 1 Switch off the meter with lt On Off gt The meter is switched off ba76155e01 03 2014 15 Operation TruLab pH 1110 automatically after an adjustable interval to save the batteries see When the meter is powered by the batteries it switches itself off Li section Automatic switch off function page 32 4 4 Navigation 4 4 1 Operating modes The meter has the following operating modes Operating mode Description
3. 10 3 3 2 Connecting the power 11 3 3 3 Mounting the 12 4 Operation 13 4 1 General operating 13 4 1 1 Keypad i iere oa eben 2 eed ud e ei pe 13 4 1 2 coeant ide dove d eve ie beg UR n ned 14 ba76155e01 03 2014 Contents TruLab pH 1110 4 1 3 Status information 14 4 1 4 Socket field nb RE eme wed TARTE sassa 15 42 Switching on the 15 4 3 Switching off the 15 4 4 Navigation siria riali 16 4 4 1 Operating 16 4 4 2 Measuring mode measured value display 16 4 4 3 Setting Mode o slk ad ru EROR PEER ESE ee 16 5 18 Dili MEeSSUPIDIO ems e see a Slats Lr ec estu E petit ELE 18 5 1 1 Measuring the pH 18 5 1 2 Measuring the temperature 19 5 2 aio Ardore usa a rate Ue ama 19 5 2 1 Why calibrate 5 rats bx ek Bat Sica aang ak tes 19 5 2 2 When to 20 5 2 3 Automatic calibration AutoCal 20 5 2 4 Manual calibration ConCal
4. A CAUTION The housing is made of synthetic material ABS Thus avoid contact with acetone or similar detergents that contain solvents Remove any splashes immediately 9 3 Packing This meter is sent out in a protective transport packing We recommend Keep the packing material The original packing protects the meter against damage during transport 9 4 Disposal At the end of its operational lifetime the meter must be returned to the disposal or return system statutory in your country If you have any questions please contact your supplier ba76155e01 03 2014 37 What to do if TruLab pH 1110 10 What to do if 10 1 pH More information and instructions on cleaning and exchange of il sensors are given in the documentation of your sensor 10 1 1 No stable measured value Cause Remedy Junction of the electrode contami Clean the junction nated Glass membrane of the electrode Clean the glass membrane contaminated Cause Remedy pH value of the test sample not Measure with air excluded if stable necessary Temperature of the test sample Adjust temperature if necessary not stable 10 1 2 Error message CalError Cause Remedy The values determined for zero Recalibrate point and slope of the electrode are outside the allowed limits Junction contaminated Clean the junction pH electrode broken Replace the p
5. Cause Remedy Cable broken Gelelectrolyte dried out Air bubble in front of the junction Air in the junction Replace the electrode Replace the electrode Remove the air bubble Extract air or moisten the junction 10 3 General information 10 3 1 Symbol for calibration evaluation flashes Cause Remedy Calibration interval expired Recalibrate the measuring system 10 3 2 LoBat display Cause Batteries almost empty Remedy Replace the batteries see section 3 3 1 INSERTING THE BATTERIES page 10 40 ba76155e01 03 2014 TruLab pH 1110 What to do if 10 3 3 Instrument does not react to keystroke Cause Remedy Operating condition undefined or EMC load unallowed Processor reset Press the ENTER and On Off key simultaneously 10 3 4 Displaying the software version meter Cause Remedy department E g a question by the service Switch on the meter During the display test display the software version with ENTER ba76155e01 03 2014 41 Technical data TruLab pH 1110 11 Technical data 11 1 Measuring ranges resolution accuracy 11 1 1 Measuring ranges resolution Parameter Measuring range Resolution pH 2 0 20 0 0 1 2 00 20 00 0 01 2 000 19 999 0 001 U mV 1200 0 1200
6. 22 5 2 5 Calibration 24 5 2 6 Calibration data OMNI ISI alibi ia 24 ORP tupara 27 6 1 Measure venis CE aO CR FP ees 27 6 1 1 Measuring the 27 6 1 2 Measuring the temperature seen 28 6 2 Calibration din o ears 28 Det lgsSu 29 7 1 Measurement settings pH 29 7 1 1 Changing the settings for pH measurements 29 7 1 2 Buffer sets for calibration 30 7 1 3 Calibration 31 7 2 Measurement settings 31 7 2 1 Changing the settings for ORP measurements 31 4 ba76155e01 03 2014 TruLab pH 1110 Contents 7 3 Sensor independent settings 32 7 3 1 Changing the sensor independent settings 32 7 3 2 Energy saving battery operation 32 8 Reset 34 8 1 Resetting the calibration values 34 8 2 Resetting the measurement and system settings 34 9 Maintenance cleaning disposal 36 9 1 Maintenance 0 cee 36 9 1 1 General maintenance activities 36 9 1 2 Replacing the batteries 36 9 2 GIGANING Nay area 37 9 3 Packi
7. stance in 1000 g solvent Potentiometry Name of a measuring technique The signal depend ing on the measured parameter of the electrode is the electrical potential The electrical current remains con stant Reset Restoring the original condition of all settings of a mea suring system Resolution Smallest difference between two measured values that can be displayed by a meter Stability control AutoRead Function to control the measured value stability ba76155e01 03 2014 47 Glossary TruLab pH 1110 Specialist term Description Standard solution The standard solution is a solution where the measured value is known by definition It is used to calibrate a measuring system Temperature Name of a mathematical function expressing the tem function perature behavior of a test sample a sensor or part of a sensor Test sample Designation of the test sample ready to be measured Normally a test sample is made by processing the orig inal sample The test sample and original sample are identical if the test sample was not processed 48 ba76155e01 03 2014 TruLab pH 1110 Index 13 Index A Stability control 18 27 ue m bas nale 14 MICI ii 20 Z Automatic switch off function 32 Zero point pH electrode 19 24 AutoRead 18 27 Zero point 25 B Battery
8. Measuring The measurement data of the connected sensor are shown in the measured value display Calibration The course of a calibration with calibration informa tion functions and settings is displayed Transmitting data The meter transmits measuring data and calibration records to a USB B interface automatically or man ually Setting A setting is displayed 4 4 2 Measuring mode measured value display The following functions are available in the measuring mode measured value display Change the display in the selected measuring window e g pH mV by pressing M To open the measurement settings press M long pressure e To open the system settings press ENTER long pressure 4 4 3 Setting mode The following functions are available in the setting mode e To change the current setting press lt A gt lt W gt Confirm the setting with ENTER The next setting is displayed The settings are stored 16 ba76155e01 03 2014 TruLab pH 1110 Operation When the last setting is confirmed the setting menu is auto 1 matically quit Press lt M gt to exit the setting mode ba76155e01 03 2014 17 pH value TruLab pH 1110 5 pH value 5 1 Measuring 5 1 1 Measuring the pH value To ensure the high measurement accuracy of the measuring sys i tem always measure with A current calibration see section 5 2 CALIBRATION page 19 Connect the
9. While the slope is being displayed SLO you can switch over the unit of the slope with lt A gt lt W gt Calibration evaluation pH After calibrating the meter automatically evaluates the calibration The zero point and slope are evaluated separately The worse evaluation of both is taken into account The evaluation appears on the display Display Zero point mV 15 15 20 15 or 2415 20 25 lt 20 or gt 20 25 Slope mV pH 60 5 58 0 gt 58 0 57 0 61 0 60 5 or gt 57 0 56 0 ba76155e01 03 2014 25 pH value TruLab pH 1110 Display Zero point mV Slope mV pH 30 lt 25 62 0 lt 61 0 or or gt 25 30 gt 56 0 50 0 CalError lt 30 lt 62 0 or or gt 30 gt 50 0 see section 10 WHAT TO DO IF page 38 26 ba76155e01 03 2014 TruLab pH 1110 ORP 6 ORP 6 1 Measuring 6 1 1 Measuring the ORP Connect the ORP electrode to the meter If necessary call up the measured parameter U with M 3 Immerse the ORP electrode in the test sample The measured value is checked for stability stability control The AR status display flashes 4 Wait for a stable measured value The AR display indicator no longer flashes Stability control AutoRead During the measuring procedure the stability control function is automatica
10. electrodes are not calibrated You can however check ORP electrodes using a test solution 28 ba76155e01 03 2014 TruLab pH 1110 Settings 7 Settings The meter has separate setting routines for the measurement settings and system settings 7 1 Measurement settings pH 7 1 1 Changing the settings for pH measurements 1 Open the setting menu in the measured value display with lt M__ gt The first setting is displayed If necessary indicate the required setting with lt ENTER gt To change the current setting press lt A gt lt W gt 4 Confirm the setting with lt ENTER gt The next setting is displayed 5 Change or confirm the other settings When the last setting is confirmed the setting menu is auto li matically quit or Quit the setting menu with M The settings are stored Settings for pH measurements Default settings are printed in bold The settings appear in the following order Displayed Possible setting Confirm with Change with lt ENTER gt lt A gt lt V gt Description pH bUFF pH Display during calibration U Nominal buffer value pH or Electrode voltage U pH SLO mV pH Unit of the value for the slope pH ASY mV Unit of the value for the zero point pH ba76155e01 03 2014 29 Settings TruLab pH 1110 Displayed Possible setting Confirm with Change with lt ENTER gt lt A gt lt V gt Descri
11. lt ENTER gt The calibration display for the next buffer appears Ct2 or Ca2 is displayed AutoCal TEC If necessary finish the calibration procedure as a single point calibration with M The calibration record is displayed slope 59 2 mV pH at 25 C and determines the zero point H For single point calibration the instrument uses the Nernst 10 11 12 13 14 of the pH electrode or Continue calibration using the next buffer with ENTER Continuing with two point calibration Thoroughly rinse the pH electrode with deionized water Immerse the pH electrode in the second buffer solution When measuring without temperature sensor Enter the temperature of the buffer with lt A gt lt W gt Start the measurement with ENTER The measured value is checked for stability stability control The AR status display flashes The electrode voltage mV or the nominal value of the buffer is displayed setting see section 7 1 1 CHANGING THE SETTINGS FOR PH MEASURE MENTS page 29 Wait for the measurement with stability control to be completed or termi nate the stability control and take over the calibration value with ENTER The calibration display for the next buffer appears is displayed ba76155e01 03 2014 21 pH value TruLab pH 1110 pH gt L A dii L WIC 15 If necessary finish the calibration procedure as a two point cali
12. mV pH 7 000 Slope SLO 59 16 mV pH 100 96 8 2 Resetting the measurement and system settings 1 Switch on the meter with lt On Off gt The display test appears briefly on the display 2 During the display test press M to open the menu for the reset of the meter settings Init is displayed 3 Use lt A gt lt W gt to display no or YES YES Reset the meter settings no Retain the meter settings 4 Confirm with lt ENTER gt The settings are reset The menu is finished The meter switches to the measuring mode 34 ba76155e01 03 2014 TruLab pH 1110 Reset The following settings are reset to the delivery condition default il Measurement settings System settings Calibration data Recalibrate after performing a reset Measurement and system settings that can be reset Measurement settings Default Display during calibration DUFF pH nominal buffer value Unit of the value for the slope SLO mV pH Unit of the value for the zero point mV ASY Measured value resolution pH rES 0 000 Measured value resolution U rES 0 0 Unit of the measured temperature C value Unit Calibration interval nt C 7d System settings Default Switch off interval t Off 1h ba76155e01 03 2014 35 Maintenance cleaning disposal TruLab pH 1110 9 Maintenance cleaning disposal 9 1 Maintenance 9 1 1 General maintenance
13. pH electrode to the meter 2 When measuring without temperature sensor Temper the test sample or measure the current temperature 3 If necessary select the measured parameter pH with M Immerse the pH electrode in the test sample The measured value is checked for stability stability control The AR status display flashes pH 5 When measuring without temperature sensor Enter the temperature of the buffer with lt A gt lt W gt 6 Wait for a stable measured value The AR display indicator no longer flashes Stability control AutoRead During the measuring procedure the stability control function is automatically activated The stability control function AutoRead continually checks the stability of the measured values in the monitored time interval The stability has a consider able impact on the reproducibility of measured values The AR display indi cator flashes until a stable value is measured 18 ba76155e01 03 2014 TruLab pH 1110 pH value Stability criteria AutoRead Measured parameter Time interval Stability in the time interval pH value 15 seconds A Better than 0 01 pH Temperature 15 seconds A Better than 0 5 C The minimum duration until a measured value is assessed as stable is the monitored time interval The actual duration is mostly longer 5 1 2 Measuring the temperature For reproducible pH measurements it is essential
14. pH value is the value of a pH measurement Slope Zero point The slope of a linear calibration function The zero point of a pH combination electrode is the pH value at which the electromotive force of the pH combina tion electrode at a specified temperature is zero Normally this is at 25 C 46 ba76155e01 03 2014 TruLab pH 1110 Glossary 12 2 General information Specialist term Description Adjusting To manipulate a measuring system so that the relevant value e g the displayed value differs as little as pos sible from the correct value or a value that is regarded as correct or that the difference remains within the tolerance AutoRange Name of the automatic selection of the measuring range Calibration Comparing the value from a measuring system e g the displayed value to the correct value or a value that is regarded as correct Often this expression is also used when the measuring system is adjusted at the same time see adjusting Measured param eter The measured parameter is the physical dimension determined by measuring e g pH conductivity or D O concentration Measured value The measured value is the special value of a measured parameter to be determined It is given as a combina tion of the numerical value and unit e g 3 m 0 5 s 5 2 A 373 15 K Molality Molality is the quantity in Mol of a dissolved sub
15. to measure the temperature of the test sample You have the following options to measure the temperature Automatic measurement of the temperature with the temperature sensor NTC30 or Pt1000 integrated in the sensor Measurement with an external temperature sensor Manual determination and input of the temperature The measuring instrument recognizes whether a suitable sensor is connected and automatically switches on the temperature measurement Which type of temperature measurement is active is indicated by the tempera ture display and the TP status indicator Resolution Temperature of the temp Status sensor display indicator Temp measurement yes 0 1 C TP Automatic with temperature sensor 1 C Manual If you wish to measure or calibrate without temperature sensor proceed as follows 1 Measure the current temperature of the test sample 2 Setthe temperature value with lt A gt lt W gt 5 2 Calibration 5 2 1 Why calibrate When a pH electrode is operated its zero point asymmetry and slope change with the course of time As a result an inexact measured value is displayed ba76155e01 03 2014 19 pH value TruLab pH 1110 Calibration determines and stores the current values of the zero point and slope Thus you should calibrate at regular intervals 5 2 2 When to calibrate When the calibration interval has expired Routinely within the fram
16. 0 0 1 2000 2000 1 T C 5 0 105 0 0 1 T F 23 0 221 0 0 1 11 1 2 Manual temperature input Parameter Range Increment C 25 130 1 13 266 1 42 ba76155e01 03 2014 TruLab pH 1110 Technical data 11 1 3 Accuracy 1 digit Temperature of the Parameter Accuracy test sample pH range 2 0 20 0 0 1 15 35 2 00 20 00 0 01 15 C 35 G 2 000 19 999 0 005 15 35 C U mV range 2000 2000 1 15 35 1200 0 1200 0 0 3 15 G 35 C T C temperature sensor NTC 30 0 1 e PT 1000 0 1 when measuring in a range of 2 pH around a calibration point 11 2 General data Dimensions Approx 230 x 190 x 80 mm Weight Approx 1 0 kg Mechanical Type of protection IP 43 structure Electrical Protective class 111 safety Test certifi CE cETLus cates Ambient Storing 25 C 65 C conditions Operation 5 55 C With the power pack connected 5 40 C Allowable relative humidity Yearly mean lt 75 30 days year 95 Other days 85 ba76155e01 03 2014 43 Technical data TruLab pH 1110 Power supply Batteries 4 x 1 5 V alkali manganese batteries type AA Operating time Approx 2500 h operating hours
17. 110 3 3 3 Mounting the stand The stand base can be mounted at the right side of the meter 12 ba76155e01 03 2014 TruLab pH 1110 Operation 4 Operation 4 1 General operating principles This section contains basic information on the operation of the TruLab pH 1110 4 1 1 Keypad In this operating manual keys are indicated by brackets lt gt The key symbol e g lt ENTER gt generally indicates a short keystroke under 2 sec this operating manual A long keystroke approx 2 sec is indicated by the underscore behind the key symbol e g lt ENTER__ gt Key Symbol Meaning lt On Off gt Switches the meter on or off lt On Off__ gt Resets calibration data lt gt Selects the measured parameter M gt Opens the measurement settings ca CAL Calls up the calibration procedure CAL gt Displays the calibration data lt A gt lt V gt Increments decrements values lt A gt lt V_ gt Increments decrements values continu Lv ously lt ENTER gt Confirms entries ENTER Opens the menu for system settings ba76155e01 03 2014 13 Operation TruLab pH 1110 4 1 2 Display AutoCal DIN 1 Status information 2 Measured value with unit 3 Measured parameter 4 Sensor symbol calibration evaluation calibration interval 5 Measured temperature with unit EP ua Me 5 x TP n Time l1 Inr
18. 20 30 40 50 min Switch off interval see sec 1 2 3 4 5 10 15 20 24h tion Automatic switch off function page 32 7 3 2 Energy saving battery operation Automatic switch off function The meter has an automatic switch off function to avoid unnecessary power consumption during battery operation The energy saving feature switches off the meter during battery operation if no key is pressed during the adjusted interval The automatic switch off function is not active when the power pack is connected 32 ba76155e01 03 2014 TruLab pH 1110 Settings The switch off interval is set with the system settings see section 7 3 SENSOR INDEPENDENT SETTINGS page 32 ba76155e01 03 2014 33 Reset TruLab pH 1110 8 Reset You can erase the calibration values and reset initialize the measurement and system settings 8 1 Resetting the calibration values 1 Press lt On Off__ gt to open the menu for the reset of the calibration data Init C is displayed 2 Use lt A gt lt W gt to display no or YES YES Reset the calibration values no Retain the calibration values 3 Confirm with lt ENTER gt The menu is finished The meter switches to the measuring mode The calibration values are reset to default All other meter il settings are retained Recalibrate after performing a reset Calibration values to be reset Calibration value Default settings Zero point ASY 0
19. 3 Initial commissioning Perform the following activities e Insert the supplied batteries Connect the power pack mains operation Mountthe stand Switch on the meter see section 4 2 SWITCHING ON THE METER page 15 3 3 1 Inserting the batteries rechargeable batteries Ni MH In order to charge the batteries an external charging device is required H You can operate the meter either with normal batteries or with 10 ba76155e01 03 2014 TruLab pH 1110 Commissioning 1 Open the battery compartment 2 on the underside of the meter 2 2 Insert four batteries in the battery compartment CAUTION A Make sure that the poles of the batteries are positioned correctly The signs on the batteries must correspond to the signs in the battery compartment 3 Close the battery compartment tightly When the batteries are nearly empty the LoBat status indicator is il displayed 3 3 2 Connecting the power pack CAUTION The line voltage at the operating site must lie within the input voltage range of the original power pack see section 11 TEcH NICAL DATA page 42 CAUTION A Use original power packs only see section 11 TECHNICAL DATA page 42 1 Connect the plug of the power pack to the socket for the power pack on the TruLab pH 1110 2 Connect the original power pack to an easily accessible power outlet ba76155e01 03 2014 11 Commissioning TruLab pH 1
20. H electrode 38 ba76155e01 03 2014 TruLab pH 1110 What to do if Cause Remedy The used buffer solutions do not agree with the set buffer set Buffer solutions too old Buffer solutions depleted Set different buffer set or Use different buffer solutions Use only once Note the shelf life Change solutions 10 1 3 Error message OFL UFL The measured value is outside the measuring range The measured value is obviously incorrect Cause Remedy Cable broken Gelelectrolyte dried out Air bubble in front of the junction Air in the junction Replace the electrode Replace the electrode Remove the air bubble Extract air or moisten the junction 10 2 ORP 10 2 1 No stable measured value More information and instructions on cleaning and exchange of sensors are given in the documentation of your sensor Cause Remedy Junction contaminated Pt ORP electrode contaminated Clean the junction Clean the Pt ORP electrode ba76155e01 03 2014 39 What to do if TruLab pH 1110 Cause Remedy ORP value not stable Temperature not stable Measure with air excluded if necessary Adjust temperature if necessary 10 2 2 Error message OFL UFL The measured value is outside the measuring range of the meter The measured value is obviously incorrect
21. H value 11 12 13 If necessary press lt CAL gt to select the buffer set ConCal ASY is displayed ConCal Thoroughly rinse the pH electrode with deionized water Immerse the pH electrode in the first buffer solution pH 7 0 0 5 for two point calibration When measuring without temperature sensor Enter the temperature of the buffer with lt A gt lt W gt Start the measurement with ENTER The pH value of the buffer solution is displayed The measured value is checked for stability stability control The AR status display flashes Wait for the measurement with stability control to be completed Set the nominal pH value of the buffer solution with lt A gt lt W gt Accept the calibration value with ENTER SLO is displayed ConCal If necessary finish the calibration procedure as a single point calibration with lt M gt The calibration record is displayed or Continue calibration using the next buffer with lt ENTER gt Continuing with two point calibration Thoroughly rinse the pH electrode with deionized water Immerse the pH electrode in the second buffer solution ba76155e01 03 2014 23 pH value TruLab pH 1110 14 When measuring without temperature sensor Enter the temperature of the buffer with lt A gt lt W gt 15 Start the measurement with ENTER The pH value of the buffer solution is displayed The measured value is checked for st
22. OPERATIONS MANUAL ba76155e01 03 2014 TruLab pH 1110 pH METER a xylem brand TruLab pH 1110 il For the most recent version of the manual please visit www ysi com Contact YSI 1725 Brannum Lane Yellow Springs OH 45387 USA Tel 41 937 767 7241 800 765 4974 Email environmental Q ysi com Internet www ysi com Copyright 2014 Xylem Inc ba76155e01 03 2014 TruLab pH 1110 Contents TruLab pH 1110 Contents 1 OvervioW 00 5 er ERIT EE Y T EA 7 1 4 TruLab pH 1110 meter 7 1 2 Sensosco S wes xat doe acea a en a e RR a i 7 2 Salire ei 8 2 1 5 8 2 1 1 Safety information in the operating manual 8 2 1 2 Safety signs on the meter 8 2 1 3 Further documents providing safety information 8 22 Safeoperation 9 2 2 1 Authorized use d aee oe RO Rn P ae Seine s edu 9 2 2 2 Requirements for safe operation 9 2 2 3 Unauthorized use 9 3 Commissioning 10 3 1 5 4 10 3 2 10 33 5 0 0 10 3 3 1 Inserting the
23. Rechargeable batteries 4 x 1 2 V NiMH rechargeable batteries type AA no charging function Power pack Ktec KSAC 0900110W1UV 1 Input 100 240 V 50 60 Hz 270 mA Output 9V 2 1 1A Connection max Overvoltage category II Primary plugs included in the scope of delivery Euro US UK and Australian Sensor input Input resistance gt 5 1013 ohm Input current lt 1 10 12 Service inter face Applicable directives and standards This interface can be used for service purposes only EMC EC directive 2004 108 EC EN 61326 1 EN 61000 3 2 EN 61000 3 3 FCC Class A Instrument safety EC directive 2006 95 EC EN 61010 1 UL 61010 1 e CAN CSA C22 2 61010 1 IP type of protection EN 60529 44 ba76155e01 03 2014 TruLab pH 1110 Technical data FCC Class A Equipment Statement Note This equipment has been tested and found to comply with the limits for a Class A digital device pursuant to Part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instruction manual may cause harmful interference to radio communications Operation of this equipment in a residential area is likely to cause harmful interfe
24. ability stability control The AR status display flashes 16 Wait for the measurement with stability control to be completed 17 Setthe nominal pH value of the buffer solution with lt A gt lt W gt 18 Accept the calibration value with ENTER The calibration record is displayed 5 2 5 Calibration points Depending on the number of buffer solutions used the meter determines the following values and calculates the calibration line Values deter Calibration mined Displayed calibration data 1 point Asy Zero point Asy Slope Nernst slope 59 2 mV pH at 25 C 2 point Asy Zero point Asy Slo Slope Slo The calibration line goes through both cal ibration points 3 point Asy Zero point Asy Slo Slope Slo The calibration line is calculated by linear regression You can display the slope in the units mV pH or see section il 5 2 6 CALIBRATION DATA page 24 5 2 6 Calibration data Displaying the calibration data 1 Display the calibration data in the measured value display with lt CAL_ gt The value for the asymmetry ASY is displayed 24 ba76155e01 03 2014 TruLab pH 1110 pH value While the zero point is being displayed ASY you can switch over the unit of the zero point with lt A gt lt W gt 2 Press ENTER to display further calibration data The value for the slope SLO is displayed vend
25. activities The only maintenance activity required is replacing the batteries See the relevant operating manuals of the sensors for instructions il on maintenance 9 1 2 Replacing the batteries rechargeable batteries Ni MH In order to charge the batteries an external charging device is required H You can operate the meter either with normal batteries or with 1 Open the battery compartment 2 on the underside of the meter 2 Remove the old batteries 3 Place four batteries type AA in the battery compartment CAUTION A Make sure that the poles of the batteries are positioned correctly The signs on the batteries must correspond to the signs in the battery compartment 36 ba76155e01 03 2014 TruLab pH 1110 Maintenance cleaning disposal 4 Close the battery compartment tightly H il 9 2 When the batteries are nearly empty the LoBat status indicator is displayed Dispose of used batteries according to the local regulations of your country End users within the European Union are obligated to return used batteries even ecologically compatible ones to a collection point set up for recycling purposes Batteries are marked with the crossed out waste container symbol Therefore they may not be disposed with the domestic waste Cleaning Occasionally wipe the outside of the measuring instrument with a damp lint free cloth Disinfect the housing with isopropanol as required
26. bration with M The calibration record is displayed or Continue calibration using the next buffer with ENTER Continuing with three point calibration 16 Thoroughly rinse the pH electrode with deionized water 17 Immerse the pH electrode in the third buffer solution 18 When measuring without temperature sensor Enter the temperature of the buffer with lt A gt lt W gt 19 Start the measurement with ENTER The measured value is checked for stability stability control The AR status display flashes The electrode voltage mV or the nominal value of the buffer setting see section 7 1 1 CHANGING THE SETTINGS FOR PH MEASUREMENTS page 29 20 Wait for the measurement with stability control to be completed or termi nate the stability control and take over the calibration value with ENTER The calibration record is displayed 5 2 4 Manual calibration ConCal Use any buffer solution for the single point calibration The calibration will be the more accurate the nearer the pH value of the buffer solution is to that of the test sample Use the following buffer solutions for two point calibration one buffer solution with pH 7 0 0 5 any other buffer solution 1 Start the calibration with CAL The calibration display for the first buffer appears 2 When measuring without temperature sensor Temper the buffer or measure the current temperature 22 ba76155e01 03 2014 TruLab pH 1110 p
27. compartment 11 36 Buffer sets pH 30 C Calibration evaluation pH 25 Calibration interval pH 31 CONGAL ETC 22 D Default calibration values 34 Default measurement settings 35 Default system settings 35 Displays eciam ERE E s 14 I Initial commissioning 10 Initialize 3 ccs 3 as ow iae d ea ah and beats s 34 K KEYS ui sd ke leet tust ELS EE 13 M Measured value display 16 Measuring ORP 27 Measuring pH 18 R PRESSE sa sss ERE d eR tud 34 Resolution setting 32 S Safe operation 9 Scope of delivery 10 Single point calibration pH AutoCal 21 Slope pH electrode 19 24 Slope plis re ean 25 Socket field 15 ba76155e01 03 2014 49 Index TruLab pH 1110 50 ba76155e01 03 2014 TruLab pH 1110 Contact Information 14 Contact Information 14 1 Ordering amp Technical Support Telephone 800 897 4151 937 767 7241 Monday through Friday 8 00 AM to 5 00 PM ET Fax 937 767 1058 Email environmental Q ysi com Mail YSI Incorporated 1725 Brannum Lane Yellow Springs OH 45387 USA Internet www ysi com When placing an order please have the following info
28. ding to the instructions and technical specifications given in this operating manual is authorized see section 11 TECHNICAL DATA page 42 Any other use is considered unauthorized 2 2 2 Requirements for safe operation Note the following points for safe operation The meter may only be operated according to the authorized use specified above The meter may only be supplied with power by the energy sources mentioned in this operating manual The meter may only be operated under the environmental conditions mentioned in this operating manual The meter may only be opened if this is explicitly described in this operating manual example Inserting the batteries 2 2 3 Unauthorized use The meter must not be put into operation if itis visibly damaged e g after being transported it was stored under adverse conditions for a lengthy period of time storing conditions see section 11 TECHNICAL DATA page 42 ba76155e01 03 2014 Commissioning TruLab pH 1110 3 Commissioning 3 1 Scope of delivery TruLab pH 1110 meter 4 batteries 1 5 V Mignon type AA Power pack Stand Stand holder e Short instructions Detailed operating manual 4 languages CD ROM with detailed operating manual 3 2 Power supply The TruLab pH 1110 is supplied with power in the following ways Mains operation with the supplied power pack Battery operation 4 x alkaline manganese batteries type AA 3
29. e measured value display with lt M__ gt The first setting is displayed Indicate the required setting with lt ENTER gt To change the current setting press lt A gt lt W gt Confirm the setting with ENTER The next setting is displayed 5 Change or confirm the other settings When the last setting is confirmed the setting menu is auto li matically quit or Quit the setting menu with M The settings are stored List of the settings for ORP measurements The settings for ORP measurements are in the same setting routine as the settings for pH measurements Default settings are printed in bold ba76155e01 03 2014 31 Settings TruLab pH 1110 Displayed Possible setting Confirm with Change with lt ENTER gt lt A gt lt V gt Description U rES 0 0 Resolution of the voltage display 0 Unit C Temperature unit F 7 3 Sensor independent settings 7 3 1 Changing the sensor independent settings 1 Open the menu for the sensor independent settings with lt ENTER__ gt The first setting is displayed To change the current setting press lt A gt lt W gt Confirm the setting with lt ENTER gt The settings are finished The meter switches to the measuring mode List of sensor independent settings Default settings are printed in bold Displayed Possible setting Confirm with Change with lt ENTER gt lt A gt lt V gt Description t Off 10
30. ework of the company quality assurance After connecting another combination electrode 5 2 3 Automatic calibration AutoCal Use any one to three buffer solutions of the selected buffer set in ascending or descending order Below calibration with YSI buffers TEC is described When other buffer sets are used other nominal buffer values are displayed Apart from that the proce dure is identical 1 Start the calibration with CAL The calibration display for the first buffer appears 2 When measuring without temperature sensor Temper the buffer or measure the current temperature 3 necessary press lt CAL gt to select the buffer set used AutoCal TEC AutoCal DIN J Ct1 or Cd1 is displayed ws gt Se lt L Jc AutoCal TEC Thoroughly rinse the pH electrode with deionized water Immerse the pH electrode in the first buffer solution 6 When measuring without temperature sensor Enter the temperature of the buffer with lt A gt lt W gt 7 Start the measurement with ENTER The measured value is checked for stability stability control The AR status display flashes The electrode voltage mV or the nominal value of the buffer is displayed setting see section 7 1 1 CHANGING THE SETTINGS FOR PH MEASURE MENTS page 29 20 ba76155e01 03 2014 TruLab pH 1110 pH value Wait for the measurement with stability control to be completed or termi nate the stability control with
31. lly activated The stability control function AutoRead continually checks the stability of the measured values in the monitored time interval The stability has a consider able impact on the reproducibility of measured values The AR display indi cator flashes until a stable value is measured Stability criteria AutoRead Measured parameter Time interval Stability in the time interval ORP 15 seconds A Better than 0 3 mV Temperature 15 seconds A Better than 0 5 C ba76155e01 03 2014 27 ORP TruLab pH 1110 6 1 2 Measuring the temperature The temperature measurement is absolutely essential for a reproducible ORP measurement You have the following options to measure the temperature Measurement with an external temperature sensor Manual determination and input of the temperature The measuring instrument recognizes whether a suitable sensor is connected and automatically switches on the temperature measurement Which type of temperature measurement is active is indicated by the tempera ture display and the TP status indicator Temperature Resolution of the sensor temp display Temp measurement yes 0 1 Automatic with temperature sensor 1 C Manual If the measurement is made without a temperature sensor proceed as follows 1 Measure the current temperature of the test sample 2 Setthe temperature value with A W 6 2 Calibration ORP
32. ng u uuu a ay deos Ue f ea RE RR 37 94 Disposal vet poni hence el e buy bias guy oy a PO RA ey as 37 10 Whatto do if 38 iaia ae 38 10 1 1 stable measured 38 10 1 2 Error message 38 10 13 Error message OFL UFL 39 10 2 ORP ere eee BS oh ero eek det ean rae eam 39 10 2 1 stable measured 39 10 2 2 Error message OFL 40 10 3 General information 40 10 3 1 Symbol for calibration evaluation flashes 40 10 3 2 LoBat 45 40 10 3 3 Instrument does not react to keystroke 41 10 3 4 Displaying the software version meter 41 11 Technical eda NER 42 11 1 Measuring ranges resolution 42 11 1 1 Measuring ranges resolution 42 11 1 2 Manual temperature input 42 ba76155e01 03 2014 5 Contents TruLab pH 1110 11 1 3 Accuracy 1 digit 43 11 2 General datas uu tuya ii u yi ehe Re le tox eis 43 12 GIOSSaIV 2 62358 66 225 doce pas RISE 46 12 1 PpH ORP eretta e teer eot Us e ones t 46 12 2 General information
33. ption pH rES 0 000 Resolution of pH display 0 00 0 0 Unit C Temperature unit F Int C 1 7 999 d Calibration interval 7 1 2 Buffer sets for calibration You can use the buffer sets quoted in the table for an automatic calibration The pH values are valid for the specified temperature values The temperature dependence of the pH values is taken into account during the calibration The buffer set is selected during calibration see section 5 2 3 i AUTOMATIC CALIBRATION AUTOCAL page 20 No Buffer set pH values at 1 TEC YSI Technical buffers 4 000 25 C 7 000 10 000 3 ConCal 2 NIST DIN DIN buffers according to DIN 19266 4 006 and NIST Traceable Buffers 1 679 25 C 6 865 9 180 12 454 1 point any cal adjust Any able 2 point cal 7 0 0 5 Any 30 ba76155e01 03 2014 TruLab pH 1110 Settings 7 1 3 Calibration interval The calibration interval is set with the measurement settings see il section 7 1 MEASUREMENT SETTINGS PH page 29 The calibration evaluation is displayed as a sensor symbol The sensor symbol flashes after the adjusted calibration interval has expired It is still possible to measure To ensure the high measuring accuracy of the measuring system il calibrate after the calibration interval has expired 7 2 Measurement settings ORP 7 2 1 Changing the settings for ORP measurements 1 Open the setting menu in th
34. rence in which case the user will be required to correct the interference at his own expense Changes or modifications not expressly approved by the manufacturer could void the user s authority to operate the equipment ba76155e01 03 2014 45 Glossary TruLab pH 1110 12 Glossary 12 1 pH ORP Specialist term Description Asymmetry see zero point Diaphragm The junction is a porous body in the housing wall of refer ence electrodes or electrolyte bridges It arranges the electrical contact between two solutions and makes the electrolyte exchange more difficult The expression junc tion is also used for ground or junction less transitions Electromotive force of an electrode The electromotive force U of the combination electrode is the measurable electromotive force of an electrode in a solution It equals the sum of all the galvanic voltages of the electrode Its dependency on the pH results in the electrode function which is characterized by the parame ters slope and zero point ORP The ORP is caused by oxidizing or reducing substances dissolved in water if these substances become effective on an electrode surface e g a gold or platinum surface pH value The pH value is a measure of the acidic or basic effect of an aqueous solution It corresponds to the negative decadic logarithm of the molal hydrogen ions activity divided by the unit of the molality The practical
35. rmation available YSI account number if available and Phone Number Model number or brief description Billing and shipping address Quantity Purchase Order or Credit Card 14 2 Service Information YSI has authorized service centers throughout the United States and Interna tionally For the nearest service center information please visit www ysi com and click Support or contact YSI Technical Support directly at 800 897 4151 When returning a product for service include the Product Return form with cleaning certification The form must be completely filled out for an YSI Service Center to accept the instrument for service The Product Return form may be downloaded at www ysi com and clicking on the Support tab ba76155e01 03 2014 51 Contact Information TruLab pH 1110 52 ba76155e01 03 2014 Xylem zilem 1 The tissue in plants that brings water upward from the roots 2 a leading global water technology company We re 12 500 people unified in a common purpose creating innovative solutions to meet our world s water needs Developing new technologies that will improve the way water is used conserved and re used in the future is central to our work We move treat analyze and return water to the environment and we help people use water efficiently in their homes buildings factories and farms In more than 150 countries we have strong long standing relationships with customers who know us for our po
36. tant safety instructions are highlighted in this operating manual They are indicated by the warning symbol triangle in the left column The signal word e g CAUTION indicates the level of danger WARNING indicates a possibly dangerous situation that can lead to serious irreversible injury or death if the safety instruction is not followed CAUTION indicates a possibly dangerous situation that can lead to slight reversible injury if the safety instruction is not followed NOTE indicates a possibly dangerous situation where goods might be damaged if the actions mentioned are not taken 2 1 2 Safety signs on the meter Note all labels information signs and safety symbols on the meter and in the battery compartment A warning symbol triangle without text refers to safety information in this operating manual 2 1 3 Further documents providing safety information The following documents provide additional information which you should observe for your safety when working with the measuring system Operating manuals of sensors and other accessories Safety datasheets of calibration or maintenance accessories such as buffer solutions electrolyte solutions etc ba76155e01 03 2014 TruLab pH 1110 Safety 2 2 Safe operation 2 2 1 Authorized use This meter is authorized exclusively for pH and ORP measurements in the laboratory Only the operation and running of the meter accor
37. werful combination of leading product brands and applications expertise backed by a legacy of innovation For more information on how Xylem can help you go to www xyleminc com porga YSI HHHH 1725 Brannum Lane mmm umumum Yellow Springs OH 45387 IEEN Tel 1 937 767 7241 800 765 4974 YS li Fax 1 937 767 1058 Email environmental ysi com Web www ysi com a xylem brand Xylem Inc

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