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1. 8 Fill Hole Reference Reference Wire Wire Sensing Sensing Wire Wire Internal Reference Reference Cell M Reference Junction 1 l Junction Temperature Temperature Sensor By uw Sensor Glass PIAS Glass Bulb IS Bulb Plastic Body Glass Body pH Temperature Electrode pH Temperature Electrode Remove the protective cap of the pH electrode DO NOT BE ALARMED IF SALT DEPOSITS ARE PRESENT This is normal with electrodes They will disappear when rinsed with water During transport tiny bubbles of air may form inside the glass bulb affecting proper functioning of the electrode These bubbles can be removed by shaking down the electrode as you would do with a glass thermometer If the bulb and or junction is dry soak the electrode in HI 70300 or HI 80300 storage solution for at least one hour 76 Maintenance For refillable electrodes If the filling solution electrolyte is more than 2 cm 1 below the fill hole add HI 7082 or HI 8082 3 5M KCI Electrolyte Solution for double junction Unscrew the fill hole cover during measurements so the liquid junction maintains an outward flow of electrolyte Measurement Rinse the electrode tip with distilled water Submerse the tip 3 cm 1 4 in the sample and stir gently for a few seconds For a faster response and to avoid cross contamination of the samples rinse the electrode tip with a few drops of the solution to be tested before taking measurements Storage Procedure
2. D D oo m I BPR l p 4 Il A y y H II d Al if ky 11 ll i pH Electrode EC Electrode DO Electrode Process measurement signal directly for noise free determinations Support auto sensor recognition Store calibration specific data from the last calibration Are built with materials suitable for use in chemical analysis Have integral temperature measurement Incorporate a 3 mm jack termination Unique serial ID in every probe for traceability U Probe Diagram Probes oduct Diagram g 10 Keypad Function Product Diagram 1 CAL MODIFY Used to enter and exit calibration mode In SETUP used to initiate modification of a configuration setting 2 GLP CFM Used to display GLP calibration information In SETUP used to confirm change made In calibration used to accept calibration points 3 RANGE Used to select measurement range In SETUP used to move to right in pick list In log RCL used to view GLP data for a data point 4 SETUP CLR Used to enter exit SETUP mode During Calibration used to clear previous calibration data In log RCL used to clear log records 5 WA Used to scroll through SETUP menu Used to change selection when modifying a parameter in SETUP 6 RCL Used to view log records or view log memory used 7 LOG Used to initiate a manual log on demand or m
3. To minimize clogging and ensure a quick response time the glass bulb and the junction should be kept wet and not allowed to dry out Replace the solution in the protective cap with a few drops of HI 70300 or HI 80300 Storage Solution or in its absence Filling Solution HI 7082 or HI 8082 for double junction electrodes Follow the preparation procedure before taking measurements Note NEVER STORE THE ELECTRODE IN DISTILLED OR DEIONIZED WATER Periodic Maintenance Inspect the electrode and the cable The cable used for connection to the instrument must be intact and there must be no points of broken insulation in the cable or cracks in the electrode stem or bulb Connectors must be perfectly clean and dry If any scratches or cracks are present replace the electrode Rinse off any salt deposits with water For refillable electrodes Refill the reference chamber with fresh electrolyte HI 7082 or HI 8082 for double junction electrodes Allow the electrode to stand upright for 1 hour Follow the Storage Procedure above DH Probe Maintenance Maintenance 77 pH Probe Maintenance 78 Maintenance Cleaning Procedure Use diagnostic messages to aid pH electrode troubleshooting Several cleaning solutions are available General Soak in Hanna HI 7061 or HI 8061 General Cleaning Solution for approximately hour Protein Soak in Hanna HI 7073 or HI 8073 Protein Cleaning Solution for 15 minutes Inorganic Soa
4. When the reading is stable and close to the selected buffer the CFM tag will blink Press CFM to confirm calibration The calibrated value will be displayed on the 1st LCD line and the second expected buffer value on the 3rd LCD line After the first calibration point is confirmed rinse and submerse the pH electrode approximately 3 cm 1 4 into the second buffer solution and stir gently If necessary press the ARROW keys to select a different buffer value The g along with STIR tag will be displayed and WAIT will blink on the LCD until the reading is stable When the reading is stable and close to the selected buffer the CFM tag will blink Press CFM to confirm calibration The calibrated value is then displayed on the 1st LCD line and the third expected buffer value on the 3rd LCD line After the second calibration point is confirmed rinse and submerse the pH electrode approximately 3 cm 144 into the last buffer solution and stir gently If necessary press the ARROW keys to select a different buffer value The 3 along with STIR tag will be displayed and WAIT will blink on the LCD until the reading is stable When the reading is stable and close to the selected buffer the CFM tag will blink Press CFM to confirm calibration At the end of calibration the instrument displays SAVING stores the calibration value and returns to normal measurement mode The calibr
5. Accurate EC Electrolytic Conductivity meter operation is configured using the SETUP key with an EC probe connected to the meter The EC specific parameters will be seen inserted into the menu If Basic mode is configured On the EC parameter list will be simplified limiting the parameters the user can change See Basic mode for a description of this operation before choosing how to SETUP the meter Parameter Description Choices Default Basic mode BASIC MODE OFF ON OFF Available TEMPERATURE The user No TC or ATC ATC Not available COMPENSATION may select ATCis Automatic automatically Temperature used Compensation or No TC to configure absolute conductivity C F cm 1 User may enter 0 01 to 9 999 1 000 cm 1 Not available actual Cell cm 1 Automatically factor value if determined known during calibration Basic vs Standard EC mode EC Meter Configuration Operational Guide 47 EC Meter Configuration 48 Operational Gui Parameter Description Choices Default Basic mode T Coef C This parameter is related to the solution being measured at temperatures other than 20 or 25 C It is used to correct measured conductivity toareference temperature by applying a fixed factor for linear compensation 0 0to6 00 1 90 C C Note Setting Close for natural to 0 00 is the waters or salt same as using solutions No TC Not available Automatically se
6. Select Manual in the SETUP menu To initiate a Manual log press the LOG key while the instrument is in measurement The PLEASE WAIT screen will be displayed briefly followed by a screen indicating the measurement has been saved and then the log record number Following the saved and recorded number the amount of free space will be displayed The LOG tag will be displayed on all 3 screens Stability Logging Select Stability and choose measurement stability criteria in the SETUP menu Only Stability Medium is available in Basic mode To initiate the Stability log press the LOG key while the instrument is in measurement The PLEASE WAIT screen will be displayed briefly followed by a screen showing the stability tag LOG tag and a WAITING message The log can be stopped while the WAITING message is displayed by pressing LOG again When the stability selected criteria has been met a SAVED message will be displayed followed by a screen indicating of how much log space is available The LOG tag will be displayed on all 4 screens All log records stored on edge may be viewed on the meter by pressing the RCL key The log records are grouped according to measurement pH EC DO The parameter displayed first is based on the probe sensor connected The display also indicates the percentage of log memory used Press CFM to display those logs If no sensor or probe is connected use the arrow to se
7. The instrument will display PLEASE a PLEASE WAIT WAIT CLEAR DONE is displayed for a few seconds after Rei the selected Interval lot is deleted To delete individual records Manual and Stability logs only enter Manual Stability log by pressing CFM when Manual Stability is displayed Use the ARROW keys to select the record to be deleted and then press CLR The instrument will display CLEAR REC and record number along with CFM tag blinking Use the ARROW keys to select another record if necessary p H a CLEAR REES Press CFM The instrument will display PLEASE WAIT and then CLEAR DONE message When individual logs are deleted within saved MANUAL or STABILITY logs the logs will renumber filling in the deleted data but staying in chronological order To delete all records of the MANUAL STABILITY log proceed as described above for LOTS Select the Manual Stability lot and press CLR H The CLEAR message will be displayed along with MANUAL or STABILITY and CFM tag blinking on the LCD Press the CFM key to confirm the deleting of the selected lot MANUAL or STABILITY or all a CLEARSMANUALS records Press CLR to exit without deleting The lot number is used to identify particular sets of data The lot numbers are allocated successively until 100 even if some lots were deleted The total number of lots that can be saved is 100
8. 31 32 33 34 35 36 37 38 39 40 g L Select preferred measurement units for DO concentration DO Units mg L or ppm Salinity and Altitude Compensation Temperature altitude and salinity compensation are used for dissolved oxygen concentration measurements ppm or mg L When the wateris colder it can hold more dissolved oxygen when it is warmer it holds less oxygen Compensation for temperature related solubility is done automatically using the built in temperature sensor within the DO probe and algorithms in the edge meter When water is measured at an altitude below sea level oxygen solubility increases but above sea level the oxygen solubility decreases To compensate for this during calibration and measurement the user must provide the approximate altitude in meters in the SETUP menu The settings are in 100 m increments select the value closest to the actual altitude Some examples of altitudes around the world follow Location Meter Feet Sebkha paki Tah Morocco 55 180 Lake Frome Australia 6 20 Netherlands coastal providence 1t0 7 3 to 23 Lake Michigan USA 176 577 Lake Geneva France Switzerland 372 1220 Denver CO USA 1609 5279 Mount Everest 8848 29029 The solubility of oxygen in water is also influenced by the amount of salt the water contains Seawater typically has a salinity of 35g L and the oxygen solubility is 18 less compared to fresh water at 25 C By entering t
9. If disabled EXPIRATION WARDING DISABLED is displayed Or if enabled the number of days until the calibration alarm CAL DUE will be displayed The number of days since the calibration expired I E CAL EXPIRED 2 DAYS AGO The probe serial number together with the current reading If a buffer is not from the last calibration the buffer tag will be displayed blinking In Standard Mode Condition Response gauges are visible on the day of calibration See Electrode Condition And Electrode Response Time page 34 If configured in SETUP a countdown message displays the number of days remaining until anew Calibration is due If using a HI 11311 or HI 12301 sensor the glass impedance is continuously monitored updated and reported here and the Junction Condition Gauge is fully visible When a pH electrode is connected the instrument will recognize it and the REMOVE PROTECTIVE AND FILLING CAPS message will be displayed along with PH Press any key to skip the message The instrument will enter measurement mode Make sure the electrode has been calibrated before taking measurements GLP LEER Bn Ti pH GLP Information pH Measurement Operational Guide 43 DH Measurement 44 Operational Gui Rinse the pH sensor with water and a sample aliquot if possible Submerse the electrode tip approximately 3 cm 144 into the sample to be
10. Insulator Platinum Cathode O Ring Disposable Membrane Cap Oxygen Permeable PTFE Membrane Shipping Tube DO Probe Diagram Operational Guide 67 DO Meter Configuration 68 Operational Gui DO Dissolved Oxygen meter operation is configured using the SETUP key with a DO probe connected to the meter The parameter specific parameters will be seen inserted into the menu There is no Basic mode for Dissolved Oxygen measurements Parameter Description Choices Default Concentration 500 400 300 0 measurements of 200 100 0 100 dissolved oxygen 200 300 400 500 change depending 600 700 800 900 on atmospheric 1000 1100 1200 pressure A 1300 1400 1500 convenient way 1600 1700 1800 to estimate 1900 2000 2100 atmospheric 2200 2300 2400 pressure effects 2500 2600 2700 ALTITUDE m is by the related 2800 2900 3000 parameter of 3100 3200 3300 elevation m above 3400 3500 3600 or below sea level 3700 3800 3900 Enter altitude in 4000 m meters closest to the actual altitude to ensure the most accurate calibration and concentration measurement Dissolved oxygen 0 1 2 3 4 5 6 7 8 0 solubility decreases if water contains salts Selecting this factor as to be close to your known salt level will improve the accuracy of DO concentration calibration and measurement SALINITY g L 9 10 11 12 12 14 15 16 1718 19 20 21 22 23 24 25 26 27 28 29 30
11. Interval Manual Stability When Interval is displayed use the A and arrows to select the setting for the timed interval When Stability is displayed use the A and W to select the measurement stability setting A complete set of GLP information including date time range selection temperature reading calibration information and probe serial number is stored with each log made Select Interval and sampling period in the SETUP menu Not available in Basic mode To start Interval logging press the LOG key while the instrument is in measurement Interval Logging A PLEASE WAIT message will be displayed followed the number of free spaces During active interval logging lot information is displayed on the 3rd LCD line The line indicates in which lot the data will be placed and keeps track of the number of logged records taken The LOG tag is continuously on during active logging Pressing during an interval log will display the number of logs available mD Logging Function tup Installation 19 20 Logging Function 100 Wo la Setup Installation Pressing the LOG key again will stop the Interval logging session The LOG STOPPED message will be displayed for a few seconds If asensor failure occurs during interval logging the message OUT OF FREE SPACE will alternate with logging information Manual Logging
12. air saturated fresh water Compensation for salinity and altitude are made by configuring SETUP parameters Percent saturation measurements are based upon the partial pressure of oxygen and are suitable for measurement in samples other than air saturated fresh water It is advised to check material compatibility of the probe with the sample DO Probe Preparation CAUTION Use care during servicing and use The Coe HI 764080 contains a glass insulator Do not drop or handle 1 carelessly Probes from Hanna Instruments are shipped dry 1 Carefully remove the cardboard shipping tube used to protect the probe during shipping Save should the probe be stored dry again 2 Open membrane package and remove one O ring and one membrane cap 3 Position o ring in cap as indicated 4 Rinse the membrane cap with a small amount of HI py prst 7041 electrolyte and discard Refill membrane cap 3 4 full N with electrolyte solution ensure to cover the o ring 5 Holding the membrane cap by the top tap the um wy side walls of the membrane cap to dislodge gas bubbles and force them to rise to the surface Do not tap on the membrane directly as it may damage it 6 With the cathode facing down slowly screw the cap THEN SCREW BACK ON ra ml Dissolved Oxygen Setup Operational Guide 65 66 Dissolved Oxygen Setup Operational Gui clockwise until the threads are fully engaged Electrolyte will overflow 7 R
13. attached Parameters are tabulated Setu p in the table below with choices and default values Parameters are accessed by pressing SETUP Loop through the parameters by usingthe A WV arrows To modify a setting press MODIFY The parameter may be modified by using gt A and arrows Press CFM to confirm the change To exit SETUP press SETUP Basic mode Parameter Description Choices Default ECand pH Only seen when cable Select to log connection data on edge Log on edge of m between micro ortoexportdata export to PC Eogtenjedige ANEI USB and PC is to PC made Select log type to be used Manual Log from 3 types of logs Manual Stability Log Manually Fast Medium initiated Accurate Manual log L Stability log Interval or g 3 settings Interval Log 5 Sec Stability log available or a Seconds 5 10 Medium continuous Lot 30 Interval Log logging with Minutes 1 2 5 measurements 15 30 60 120 loggedintimed 180 intervals Meter will A indicate CAL pet tatbration DUE when 1 2 3 4 5 6 7 oraval T set time in this days or OFF val parameter has been exceeded Setup Installation 15 16 General Setup Setup Installati Parameter Description Choices Default Basic mode EC and pH Probe Specific Parameters are inserted here in SETUP list Set Date Press MODIFY key to Set current date displayed in ISO format Press CFM to save changes YYY
14. be stirred 784 atc es The Dissolved Oxygen value in is displayed on the 1st LCD line and the temperature on the secondary LCD T ral 4 Press RANGE to change the reading from to ppm T i mg L and vice versa Oxygen is consumed during the measurement For accurate Dissolved Oxygen measurements water movement of 0 3 m s is suggested This is to ensure that the oxygen depleted membrane surface is constantly measuring representative sample The use of a magnetic stirrer is recommended The probe has a built in temperature sensor Make sure it is also in sample The measured temperature is indicated on the 2nd LCD line as shown above Allow the probe to reach thermal equilibrium before taking de any measurement This can take several minutes The greater the difference DO between the temperature at which the probe was stored and the temperature of the sample the longer the time will be Measurements Note e Ifthe temperature is displayed blinking the temperature is out of range for the probe The measurement LCD will display e f the temperature sensor is broken the message BROKEN TEMPERATURE SENSOR and is displayed along with the unit tag blinking on the 2nd LCD line Operational Guide 75 pH Probe M si Maintenance ff 5 Reference
15. can be opened with any text editor or spreadsheet program Interval logs are designated as pH EC or DO Lots ie PHLOTOO1 ECLOTOO2 DOLOTOO3 The Manual Lots are PHLOTMAN ECLOTMAN and DOLOTMAN The Stability Lots are PHLOTSTAB ECLOTSTAB and DOLOTSTAB All stability logs regardless of stability setting are located in the same stability file for that measurement Click on the desired log to view data Note If C appears in log data the sensor probe was used out of the operation parameters If C appears in log data the temperature probe is broken For optimum pH measurements follow these steps 1 Understand the benefits and features of Standard and Basic Operation 2 Setup edge meter by configuring preferences 3 Calibration 4 Measurement The Standard pH operation includes up to a 5 point buffer calibration use of custom buffers choice of displaying 0 001 pH resolution use of the full diagnostic features of Calibration Check that includes buffers used probe condition response time and messages indicating a contaminated buffer or pH sensor requiring maintenance during calibration Additional Sensor Check indicators are available if using HI 11311 or HI 12301 pH electrodes These include a continuous diagnostic to detect if the electrode is broken or the reference junction has been compromised by sample contamination or fouling The Standard pH operation also includes full logging capability including
16. compromised not 100 Should this happen the junction condition will appear on the display with the junction blinking The Junction Condition is a function of the electrode s reference impedance which should be kept low If the reference junction becomes fouled from a precipitate or coating the impedance will rise and cause the pH measurement to drift This diagnostic feature serves as a warning to clean the sensor JUNCTION posal 4 s v POOR GOOD Operational Guide 35 36 DH Calibration Operational Gui de Procedure Basic mode operation permits up to three point buffer calibration For accurate measurements at least a two point calibration is recommended However a single point calibration can also be used The calibration buffers can be selected from the calibration buffer list that includes the standard buffers pH 4 01 6 86 7 01 9 18 and 10 01 Three Point Calibration Submerse the pH electrode approximately 3 cm 114 into a buffer solution and stir gently Press CAL The CAL tag will appear and the 7 01 buffer will be displayed on the 3rd LCD line If necessary press the ARROW keys to select a different buffer value 4m A p gsr SENATE Di r im tue est 5 i mi Ls esr r Fr m NAISE m The 3 along with STIR tag will be displayed and WAIT will blink on the LCD until the reading is Stable
17. pH 0 1 C O 1mV Accuracy 25 C 77 F 0 01pH 0 002 pH 0 5 C 0 2 mV pH Calibration Automatic up to 3 points 5 points calibration 5 standard 7 standard buffers available 1 68 4 01 or 3 00 6 86 7 01 9 18 10 01 12 45 and 2 custom buffers Temperature compensation Automatic using integral temperature sensor pH Electrode HI 11310 Intelligent pH temperature electrode included Log feature Up to 1000 records organized in Log on demand Max 200 logs Log on stability Max 200 logs Interval logging Standard Mode Only Temperature limits will be reduced to actual probe sensor limits EC TDS Salinity 0 00 to 29 99 uS cm 3 00 to 29 99 0 00 to 14 99 ppm uS cm 300 to mg L 15 0 to 149 9 2999 uS cm ppm mg L 150 to 0 0 to 400 0 NaCl R nge 3 00 to 29 99 1499 ppm mg L 1 50 2 00 to 42 00 g mS cm 30 0 to to 14 99 g L 15 0 to PSU 0 0 to 80 0 200 0 mS cm 100 0 g L up to 400 0 g L up to 500 0 mS g Labsolute TDS with cm absolute 0 80 factor conductivity 0 01 uS cm 00 1 9 Resolution HS cm 0 01 uS 0 01 ppm O 1ppm 1 0 1 NaCl 0 01 cm 0 01 mS cm ppm 0 01 g L 0 1 g L PSU 0 01 g L 00 1 mS cm 19 i Accuracy E AE I etveotveadina 0 Me an Pe 25 C 77 F digit whichever is 0 03 ppm or 1 digit 1 of reading greater whichever is greater EC Calibration Salinity Calibration NaCl only 1Ce
18. pH buffer value at 25 C TEMP pH BUFFERS C F 1 679 3 000 4 010 6 862 7 010 9 177 10 010 12 454 0 32 1 670 3 072 4 007 6 982 7130 9 459 10 316 13 379 5 41 1 670 3 051 4 002 6 949 7 098 9 391 10 245 13 178 10 50 1 671 3 033 4 000 6 921 7 070 9 328 10 180 12 985 15 59 1 673 3 019 4 001 6 897 7 046 9 273 10 118 12 799 20 68 1 675 3 008 4 004 6 878 7 027 9 222 10 062 12 621 25 77 1 679 3 000 4 010 6 862 7 010 9 177 10 010 12 450 30 86 1 683 2 995 4 017 6 851 6 998 9 137 9 962 12 286 35 95 1 688 2 991 4 026 6 842 6 989 9 108 9 919 12 128 40 104 1 693 2 990 4 037 6 837 6 983 9 069 9 881 11 978 45 113 1 700 2 990 4 049 6 834 6 979 9 040 9 847 11 834 50 122 1 707 2 991 4 062 6 834 6 978 9 014 9 817 11 697 55 131 1 715 2 993 4 076 6 836 6 979 8 990 9 793 11 566 60 140 1724 2 995 4 091 6 839 6 982 8 969 9 773 11 442 65 149 1734 2 998 4 107 6 844 6 987 8 948 9 757 11 323 70 158 1 744 3 000 4 123 6 850 6 993 8 929 9 746 11 211 75 167 1 755 3 002 4 139 6 857 7 001 8 910 9 740 11 104 80 176 1 767 3 003 4 156 6 865 7 010 8 891 9 738 11 003 85 185 1 780 3 002 4172 6 873 7 019 8 871 9 740 10 908 90 194 1793 3 000 4 187 6 880 7 029 8 851 9 748 10 819 95 203 1 807 2 996 4 202 6 888 7 040 8 829 9 759 10 734 The Calibration Check feature may flag diagnostic messages during a calibration As electrode aging is normally a slow process substantial changes from previous calibrations are likely
19. tested and stir sample gently Allow time for the electrode to stabilize pH amm Ls E LI If measurements are The pH is displayed on the 1st LCD line and the temperature on the 2nd LCD line Using the arrows date time battery status and offset with slope can be displayed on the 3rd LCD line If the reading is out of measurement range the closest full scale value will be displayed blinking on the 1st LCD line taken successively in different samples it is recommended to rinse the electrode thoroughly with deionized water or tap water and then with some of the next sample to prevent cross contamination The pH reading is affected by temperature The temperature effect is compensated for using the temperature sensor inside the probe The resulting measurement is the actual pH at the temperature of measurement If the temperature reading is out of range the closest full scale value will be displayed and the C will blink on the 2nd LCD line If the temperature reading is out of electrode specification range the value is displayed blinking along with ELECTRODE OUT OF SPEC message de If the temperature sensor of the electrode is broken interrupt the message BROKEN TEMPERATURE SENSOR and 25 C is displayed and the unit tag is blinking on the 2nd LCD line mV Reading Of The pH The mV reading of the measured pH can be displayed on the LCD by pressing the RANGE key Range Speci
20. will overflow The platinum cathode DO Probe Diagram page 67 should always be bright and untarnished If it is tarnished or stained the cathode should be cleaned You can use a clean lint free cardboard or cloth Rub the cathode very gently side to side 4 5 times This will be enough to polish and remove any stains without damaging the platinum tip Afterwards rinse the probe with deionized or distilled water and install a new membrane cap using fresh electrolyte and follow DO Probe Preparation page 65 Important In order to have accurate and stable measurements it is important that the membrane surface is in perfect condition This semi permeable membrane isolates the sensor elements from the environment but allows oxygen to enter If any dirt is observed on the membrane rinse carefully with distilled or deionized water If imperfections still exist or any damage is evident such as wrinkles or tears the membrane should be replaced Make sure that the O Ring sits properly in the membrane cap DO Probe Maintenance Maintenance 81 Troubleshooting 82 Guide Maintenance Symptoms Problems Solution Slow response excessive drift Dirty pH electrode Clean the electrode and then soak the tip in HI 7061 or HI 8061 for 30 minutes Readings fluctuate up and down noise pH Clogged dirty junction Low electrolyte level refillable electrodes only Clean the electrode Refill with fresh so
21. 79 75200 105900 4711 23 73 4 12390 1359 81 76500 107900 4805 24 75 2 12640 1386 82 78300 109800 4902 25 77 12880 1413 84 80000 111800 5000 26 78 8 13130 1440 86 81300 113800 5096 27 80 6 13370 1467 87 83000 115700 5190 28 82 4 13620 1494 89 84900 117700 5286 29 84 2 13870 1521 90 86300 119700 5383 30 86 14120 1548 92 88200 121800 5479 31 87 8 14370 1575 94 90000 123900 5575 Operational Guide CALIBRATION 53 NaCl CALIBRATION 54 Operational Gui PREPARATION Pour a small quantity of the calibration solution into a beaker If possible use a plastic beaker to minimize any EMC interferences Before pressing CAL verify in SETUP e Basic mode is off e Salinity Scale is NaCl Use the RANGE key to select the Salinity measurement The NaCl tag will be on NaCl calibration is a single point calibration at 100 0 NaCl Use the HI 7037L calibration solution sea water solution as a 100 NaCl calibration solution Procedure Rinse the probe with some of the HI 7037L calibration solution or deionized water Shake off excess solution Submerse the probe in the calibration solution The sleeve holes must be completely submersed If possible center the probe in the beaker away from the bottom or beaker walls Raise and lower the probe to refill the center cavity and tap the probe repeatedly to remove any air bubbles that may be trapped inside the sleeve mg 7 k Press CAL to enter calibration The 3 STIR a
22. C blinking on the 2nd LCD line If the temperature reading is out of probe specification range the value is displayed blinking along with PROBE OUT OF SPEC message If the temperature sensor is broken the message BROKEN TEMPERATURE SENSOR and is displayed along with the unit tag blinking on the 2nd LCD line TDS Measurements Press the RANGE key The instrument will switch to TDS measuring range The TDS reading will be displayed on the 1st LCD line and giL the temperature reading on the 2nd LCD line If the Mm reading is out of range the full scale value 100 0 T g L for ATC mode or 400 0 g L for uncompensated Ve TDS will be displayed blinking gsn BH Hal Operational Guide 61 Salinity Measurements 62 Operational Gui Salinity Measurements Not Available In Basic Mode Press the RANGE key twice to switch from conductivity to the configured Salinity scale Verify the desired scale is configured in SETUP The meter supports three salinity scales Practical Scale 1978 Percent Scale and Natural Sea Water 1966 g L Information on the 3 scales follows Note These are for determining salinity as they relate to general oceanographic use Practical salinity and the Natural Seawater require a conductivity calibration NaCl requires a calibration in HI 70371 standard PSU Practical Salinity Scale The practical salinity S of seawater relates the ratio of electrical conductivi
23. Electrodes and probes are guaranteed for six months This warranty is limited to repair or replacement free of charge Damage due to accidents misuse tampering or lack of prescribed maintenance is not covered If service is required contact your local Hanna Office If under warranty report the model number date of purchase serial number and the nature of the problem If the repair is not covered by the warranty you will be notified of the charges incurred If the instrument is to be returned to Hanna Instruments first obtain a Returned Goods Authorization number from the Technical Service department and then send it with shipping costs prepaid When shipping any instrument make sure it is properly packed for complete protection Hanna Instruments reserves the right to modify the design construction or appearance of its products without advance notice Warranty Warranty 31 92 Notes Notes 93 94 Notes Notes 95 World Headquarters Local Office Hanna Instruments Inc Highland Industrial Park 584 Park East Drive Woonsocket RI 02895 www Hannainst com Hanna Instruments USA 270 George Washington Highway Smithfield RI 02917 Phone 800 426 6287 Fax 401 765 7575 e mail tech Hannainst com HANNA instruments Printed in USA man_egde_0913
24. If some are deleted for example 1 50 fifty additional logs may be stored These will be numbered 101 150 The lots are allocated successively provided available memory space until 999 is reached After this it is necessary to delete all the LOT logs to start over the numbering Se Viewing tup Installation Logged Data 23 Viewing Delete All All pH logs or all EC all DO logs may be deleted ina single clear This function Logged Data will delete all MANUAL STABILITY and INTERVAL logs for the measurement type selected mr 4 Press the RCL key The pH EC or DO type will be p blinking Use to select desired measurement pe aan g parameter log data to delete ed a LOG RECALL While the measurement type is blinking and p H message states LOG RECALL press CLR per CLEAR ALL and measurement type will be displayed with CFM tag blinking Press CFM crm PLEASE WAIT and the percent cleared will blink I Li until completed The procedure can be repeated for the other measurement modes Note If CLR is pressed in error press CLR again to Loc on exit without deleting 24 _Setup Installation Logged data on edge can be transferred from the meter to a USB flash drive PC amp Storage by using the log recall function The minimum requirement for the drive is USB 1 1 Select the pH EC or DO record you wish to export and follow the simple Interface st
25. Instruction Manual Multiparameter Benchtop Meter RIHANNE instruments Dear Customer Thank you for choosing a Hanna Instrument product Please read this instruction manual carefully before using this instrument This manual will provide you with the necessary information for correct use of this instrument as well as a precise idea of its versatility If you need additional technical information do not hesitate to e mail us at tech hannainst com or view our worldwide contact list for a Hanna representative near you at www hannainst com All rights are reserved Reproduction in whole or in part is prohibited without the written consent of the copyright owner Hanna Instruments Inc Woonsocket Rhode Island 02895 USA Included Safety Measures Description Diagramme ernennen Product Diagram Probe Diagram Keypad Function Guide to Indicato Setup Installation Setting Up edge Electrode amp Probe Connections General Setup Basic Mode Logging Function Viewing Logged Data PC amp Storage Interface Operational Guide smsy A Basic vs Standard pH Mode pH Meter Configurations pH Calibration Calibration Message pH GLP Information pH Measurement Basic vs Standard EC Mode EC Meter Configuration EC TDS Calibration NaCl Calibration EC TDS GLP Information EC TDS Measurements Salinity Measurements Dissolved Oxygen Setup DO Probe Di
26. Interval Manual log on demand and Manual log on stability Basic pH operation provides a simplified SETUP menu there are no decisions to make regarding the pH measurement itself The meter will display 0 01 pH resolution and permit a 3 point buffer calibration from the following pH buffers 4 01 6 86 7 01 9 18 or 10 01 Calibration Check and Sensor Check features are limited to messages during calibration Calibration reminders are also not available The GLP will still provide offset slope buffers used and a calibration date The Basic pH operation includes Manual log on demand and Manual log on stability medium setting Note When changing from Standard to Basic operation in SETUP previous calibration data will be cleared A prompt will force the user to facilitate this Basic vs Standard pH mode Operational Guide 27 28 Basic vs Standard pH mode Operational Gui Major differences between Standard and Basic modes are tabulated below Standard Basic Calibration 5 points including 2 custom 3 points buffers Cal Check Feature P 9 Error messages GLP Manual Log on demand Log types Manual Log on stability Manual ogion d mand Interval Manual Log on stability HI 11310 HI 12300 Recommended pH electrodes HI11311 HI 12301 HI 10530 HI 10430 HI11310 HI12300 All Sensors work in this mode but diagnostic and all buffers will not be available pH meter operation is configu
27. Practice GLP refers to a quality control function used to DH GLP ensure uniformity of sensor calibrations and measurements The dedicated Information GLP key opens a file of the latest calibration information Usethe A keys to scroll the stored information This includes the buffers used temperature of the buffer and time and date of the last calibration the sensor serial number and the calculated offset and percent slope This information is available in Basic and Standard Modes This information is also included with every data log Newest calibration points report as a solid number older calibration data that is still used will be displayed blinking If calibration has not been performed the PH instrument displays NO CAL message blinking en m2 Lio sand CALS The pH calibration offset and slope the GLP slope is the average of the calibration slopes the percentage 1171 isreferred to the ideal value at 25 C u AR pf OperationalGuide 41 42 pH GLP Information Operational Gui de TAL BUFFERS The last calibration date yyyy mm dd together with the current reading Note For each custom buffer used in calibration the C1 and C2 tags will be displayed If only the second custom buffer is in calibration the tag will be C1 and the value will be displayed Calibration Expiration status together with the current reading
28. RE SENSOR problem if there is one CAL DUE or CELL FACTOR TEMPERATURE COEFFICIENT or T Ref User selected TIME DATE RANGE and BATTERY CHARGE STATUS To view more information enter GLP mode by pressing GLP key EC calibration data is stored automatically after a successful calibration NaCl CALIBRATION Calibration Messages EC TDS GLP Information Operational Guide 55 56 EL US GLP Information Operational Gui To view the EC calibration data press GLP when the instrument is in EC measurement mode The instrument will display the calibration standard and the temperature of the calibrated standard Use the ARROW keys to scroll through the calibration data displayed on the 3rd LCD line mS cm MNN LOLS 1 cou mn mu Lf ou a OFFSET dag an s 50L STI Sha a mrr CLS a eso em mrr CLs l cot a 25 de The cell factor in cm determined from the calibration with the current reading The calibration offset factor in uS cm together with the current reading The Solution Standard and calibration temperature The temperature coefficient set at the calibration moment together with the current reading The reference temperature together with the current reading The last calibration time hh mm ss together with mem EC TDS the current reading mm LILO GLP och Information aan a The last calibration dat
29. Y MM DD Date Set date Available Set Time Press MODIFY key to Set current time displayed in ISO format Press CFM to save changes 24hr MM SS Time Set time Available Set Auto Off Used to save battery life by automatically turning off when no key press is detected for time set and meter is notin active logging or calibration mode 5 10 30 60 Min or Off 10 MIN Available Sound If enabled a short audible tone is produced or key stroke or calibration confirmation and a longer tone for wrong key On or Off On Available Temperature Unit Select degree Celsius or Fahrenheit scale for displayed and logged temperatures Cor F C Available General Setup LCD Contrast Permits 1to8 3 Available modification of the display contrast for various lighting conditions Flash Format Permits On or Off OFF Available Only seen when formatting the log errors are flash drive present Message User may choose Word scroll Letter scroll Available Transition how messages messages or messages are displayed on letter scroll 3rd LCD line of messages display Reset ConfigTo Press the MODIFY key and CFM when prompted to Available Default reset parameters RESETS with Basic Mode OFF Instrument Displays firmware View only Current Available Firmware Probe version of meter firmware Firmware Using the gt version key switches to Pr
30. ability Max 200 logs nterval Logging 100 lots Max 600 logs lot Additional Specifications PC Interface Micro USB Storage Interface USB Power Supply 5 VDC Adapter included Environment 0 50 C 32 122 F Max 95 RH non condensing Dimensions 202x140 x12mm 7 9x5 5z0 5 Weight 250g 8 82 oz Temperature limits reduced to actual sensor limits Specifications Specifications 87 Accessories pH Buffer Solutions HI 70004P pH 4 01 Buffer Sachets 20 mL 25 pcs HI 70007P pH 7 01 Buffer Sachets 20 mL 25 pcs HI 70010P pH 10 01 Buffer Sachets 20 mL 25 pcs HI 7001L pH 1 68 Buffer Solution 500 mL HI 7004L pH 4 01 Buffer Solution 500 mL HI 7006L pH 6 86 Buffer Solution 500 mL HI 7007L pH 7 01 Buffer Solution 500 mL HI 7009L pH 9 18 Buffer Solution 500 mL HI 7010L pH 10 01 Buffer Solution 500 mL HI 8004L pH 4 01 Buffer Solution in FDA approved bottle 500 mL HI 8006L pH 6 86 Buffer Solution in FDA approved bottle 500 mL HI 8007L pH 7 01 Buffer Solution in FDA approved bottle 500 mL HI 8009L pH 9 18 Buffer Solution in FDA approved bottle 500 mL HI 8010L pH 10 01 Buffer Solution in FDA approved bottle 500 mL ELECTRODE STORAGE SOLUTIONS HI 70300L Storage Solution 500 mL HI 80300L Storage Solution in FDA approved bottle 500 mL ELECTRODE CLEANING SOLUTIONS HI 70000P E
31. agram DO Meter Configuration DO Calibration s s DO Calibration Messages DO GLP Informatio DO Measurements pH Probe Maintenance EC Probe Maintenance DO Probe Maintenance Troubleshooting Guide Specifications asarana aaa nennen in Accessories Warranty Table of Contents 4 Included Included Remove the instrument from the packing material and verify damage has not occurred during shipping Remove protective film from meter Notify your nearest Hanna Customer Service Center if damage is observed Each instrument is supplied with Edge meter Bench cradle Wall cradle Electrode holder USB cable 5 Vdc Power Adapter Instruction Manual Quality Certificate Model Specific Components include HI 2040 DO HI 2020 pH HI 2030 EC HI 11310 Digital pH Electrode HI 763100 Digital 4 ring with integral temperature conductivity probe with sensor integral temperature sensor HI 764080 Digital polarographic dissolved oxygen probe with integral temperature sensor pH 4 01 7 01 amp 10 01 Buffer 1413 1S cm and 12 88 mS Sachets cm Conductivity Standard Sachets HI 7041S Electrolyte for HI 764080 DO probe 2 DO membarne caps for HI 764080 DO probe HI 700601 General Purpose Cleaning Solution 2 replacement O rings Note Save all packing material until you are sure that the instrument works correctly Any defective item must be ret
32. ale value 200 0 mS cm for ATC mode or 500 0 mS cm for absolute conductivity will be displayed blinking Temperature compensated and absolute conductivity are available for measurement This is selected in the SETUP configuration Automatic ATC The conductivity probe has a built in temperature sensor the temperature value is used to automatically compensate the EC TDS reading When this option is selected ATC tag is displayed A temperature coefficient for the sample must also be set de No Temperature Compensation No TC The temperature value is displayed EC TDS but not taken into account When this option is selected the NoTC tag will be displayed The reading displayed on the primary LCD is the uncompensated Measurements EC or TDS value Note The default compensation mode is ATC e The compensation is referenced to the selected reference temperature see SETUP for details If temperature compensation is selected measurements are compensated using the temperature coefficient default value 1 90 C is recommended for natural water samples To change the temperature coefficient enter the SETUP mode and select T COEF C see SETUP The current temperature coefficient can be viewed on the 3rd LCD line by pressing the ARROW keys until it is displayed The value is displayed along with Cell Factor If the temperature reading is out of range the closest full scale value will be displayed with
33. anual log on stability log or to start stop interval logging Note You can increase decrease the speed to change the value of the _ Area parameters 1 1 Proceed as follows 1 Sliding Press and hold down the A or V key then slide the finger toward the double apex to increase the rate of change 1 1 16 SETUP ap A TER Yaa HaC JUNCTION CONDITION P POOR GooD sLow 5o BUFFERS fetYsfiofiztci cz ir NaCl Satmg LmS cemppm mVpH Cie a 0 7 8888 tude m Ref 0 Salinity a LJPDSFact man 3 omit A ka Mai PC Slope Point N N D NA Uzi ANANE ANNAA I ric u NoTC ATC mV i Hig S cmL OG a es Es OOG Mode tags Confirm tag USB connection status pH electrode diagnostics Probes symbol Battery symbol Arrow tags displayed when they are available pH calibration buffers used Non pwunH The third line of the LCD is a dedicated message line During measurement theusermayusethe A W arrows to select desired message Options include Date time calibration data battery charge or no message If ameasurement error or log status change occurs during measurement the third line will display a pertinent message 3rd LCD line message area Labels 2nd LCD line temperature measurement Temperature units Temperature status Measurement line Measurement units Stability Indicator Guide to Indicators ict Diagram 14
34. ation Pour small quantities of HI 7040 Zero Oxygen solution into a beaker Remove the protective cap if used 100 Saturated Calibration It is suggested to perform the slope calibration in water saturated air Pour a small beaker of water Rinse the polarized probe with clean water Dry the probe tip and allow a few seconds for the LCD reading to stabilize probe in air Suspend over beaker of water Press CAL omy z The J tag will be displayed along with WAIT go J g blinking on the LCD until the reading is stable When the reading is stable and is within the limits DO CFM tag starts blinking Press CFM to confirm the J q q 100 0 DO calibration he l a Calibration Press CAL to leave calibration after the first point The instrument will display SAVING message and it will return to measurement mode memorizing the slope calibration data Zero Calibration Press CAL or continue with calibration after 2 Mm c confirming first point The meter will display WAIT Lah l and 0 0 will be displayed in lower right corner ac are Jus Submerse the probe membrane and temperature a sensor into the beaker containing HI 7040 Zero BOW IS a Oxygen solution and stir gently for 2 3 minutes The reading will go down When the reading is stable and stops decreasing nc CFM tag starts blinking Press CFM to confirm the here Lt 0 0 DO calibrati
35. ation sequence may be reduced to two buffer values or a single one Press CAL to return to measurement after the desired number of buffers Note e When performing a new calibration or adding to an existing calibration the first calibration point will be treated as an offset See page 33 for details e Press CAL after the first or second calibration point are confirmed and the instrument will store the calibration data Then it will return to measurement mode e If the value measured by the instrument is not close to the selected buffer WRONG BUFFER will blink Check if the correct buffer has been DH Calibration Operational Guide 37 38 DH Calibration Operational Gui used or clean the electrode by following the Cleaning Procedure see page 76 If necessary change the buffer or the electrode e If the buffer temperature exceeds the temperature limits of the buffer WRONG BUFFER TEMPERATURE will be displayed e Press CLR after entering calibration to clear all calibration parameters CLEAR ALL message will be displayed and the instrument will return to measurement mode displaying CAL DUE message pH Buffer Temperature Dependence The temperature has an effect on pH The calibration buffer solutions are affected by temperature changes also During calibration the instrument will automatically calibrate to the pH value corresponding to the temperature During calibration the instrument will display the
36. ature and measurement detail is designed to give you an edge in measurement technology edge is versatile in many ways The slim meter and probe can be used remotely as a portable device using its rechargeable battery or used in its bench or wall cradles that also power the meter as a line powered laboratory instrument wn HANNA CONDITION POOR Ned ATC ee oi ee CAL BUFFERS e sss B var A1 CAL Cor 4 4m iL 4 RESPONSE SETUP CLR edge B Liquid Crystal Display LCD Capacitive Touch Keypad 9 l 5 Micro USB device connection for power or PC interface 3 mm jack input for edge 6 Standard USB host connection digital probes for data transfer to a USB Top mounted ON OFF button thumb drive Product Diagram Front View U roduct Diagram 7 8 Product Diagram Side amp Back View Top amp Bottom View Product Diagram Contacts for cradle power wA a Sleek clean intuitive design Internal clock and date Adjustable resolution for pH and EC measurements Auto parameter recognition Dedicated GLP key GLP data included with logged data Basic mode for operation Simplified data transfer to a PC Up to 8 hours battery life when used as a portable device simplified
37. calibration point is confirmed rinse and submerse the pH electrode approximately 3 cm 114 into the second buffer solution and stir gently If necessary press the ARROW keys to select a different buffer value DH Calibration Operational Guide 31 32 DH Calibration The 3 along with STIR tag will be displayed and WAIT will blink on the LCD until the reading is stable When the reading is stable and close to the selected buffer CFM tag will blink Press CFM to confirm calibration Repeat procedure with additional pH buffers A total of five pH buffers can be utilized After confirming the last desired buffer calibration z m points press CAL or if all five buffer values were hla f calibrated the instrument will automatically display esr SAVING as it stores information and it will then return to normal measurement mode Each time a buffer is confirmed the new calibration cal N Li c data replaces the old data for the corresponding Operational Gui de E9 1 buffer or for any near buffer in a 0 2 pH proximity Pre 7 If current buffer has no previous data stored and the coc calibration is not full five buffers the current buffer a ae is added to the existing calibration If the existing Slg REPLALES SB calibration is full the instrument asks which buffer to replace Press the ARROW keys to select another buffer to be replaced Press CFM t
38. due to a temporary problem with the electrode or buffers that can be addressed easily These messages are seen in Standard and Basic modes Wrong Buffer 7 This message appears when the difference between Da L l the pH reading and the value of the selected buffer a is too great If this error message is displayed check 25 e if you have selected the proper calibration buffer and have poured the desired buffer WRONG UPPER Wrong Old Points Inconsistency PH This message is displayed if the new calibration J 1 U differs significantly from the last value of that al sensor in that buffer In this case it may be best to p4 clear the previous calibration and attempt a new calibration with fresh buffers S WRONG OLI PO Press CAL then press CLR CLEAR CALIBRATION eH will be displayed Press CAL to exit calibration if you Cc c want to keep old calibration data instead of clearing fec esh a CLEAR CALIJR Calibration Messages Press the CFM key CLEAR ALL will be displayed followed by CAL DUE Operational Guide 39 Calibration m Clean Electrode E 1 U This error message indicates poor electrode Messages l performance offset out of accepted window or esr slope under the accepted lower limit Often cleaning the sensor will improve the pH electrodes response Wa CLEAN ELECTR See pH Electrode Conditioning and Maintenance for details Rep
39. e yyyy mm dd together meen with the current reading mar ENLA coo a 20 1306 12 Calibration Expiration status together with the _ m current reading Ha DD If disabled EXPIRATION WARNING DISABLED is s u displayed 25 a EXPIRATION W If enabled the number of days until the calibration e alarm CAL DUE will be displayed mnp est a CAL EXPIRES Or if the number of days the calibration has expired ee I E CAL EXPIRED 2 DAYS AGO MM mu coo a CAL EXPIRED The serial number of the probe together with the pe current reading MM mu coo m Operational Guide 57 58 EC TDS GLP Information Operational Gui de NaCl Calibration Data in GLP To view the NaCl calibration data press GLP when the instrument is in NaCl measurement mode Use the ARROW keys to scroll through the calibration data The instrument will display the calibration temperature and solution Nac an mnr LILI mx eu ur 41 4 Nac INNE UI an The edge will indicate probe cell constant together with the current reading The salinity coefficient determined from the calibration together with the current reading The Solution Standard together with the calibrated temperature The last calibration time hh mm ss together with the current reading The last calibration date yyyy mm dd together with the current reading Calibration Exp
40. ean the probe witha cloth or a nonabrasive detergent Make sure to reinsert the sleeve onto the probe properly and in the right direction After cleaning the probe recalibrate the instrument oro EB Z o cmu The insulator used to support the platinum rings is made of glass Use extreme caution when handling this probe pH Probe Maintenance EC Probe Maintenance Maintenance 79 DO Probe Maintenance 80 Maintenance The oxygen probe body is made of PEI A temperature sensor provides temperature measurements of the sample Use the protective cap when the probe is not in use To replace the membrane TWIST AND PULL fig 1 6 laal ST UNSCREW fig 2 or refill with electrolyte proceed as follows Remove the protective shipping tube by gently twisting and pulling it off the body of the probe see fig 1 Unscrew the membrane cap by turning it clockwise see fig 2 The new membrane cap supplied with the meter should be rinsed with electrolyte solution Refill with clean electrolyte solution Gently tap the sides of the membrane cap to ensure that no air bubbles remain trapped Do not tap the bottom directly with your finger as this will damage the membrane Make sure that the rubber O ring sits properly inside the membrane cap With the sensor facing down slowly screw the membrane cap clockwise Some electrolyte
41. eat calibration after cleaning en im Check Electrode Check Buffer This error message appears when electrode slope LS U exceeds the highest accepted slope limit You should esr check your electrode and use fresh buffer Cleaning oo i may also improve this response a CHECK ELECTR m Bad Electrode con This message appears if the cleaning procedure hs tel Lg performed as a result of the above two messages is fiel found to be unsuccessful In this case it is advised to 5 250 replace the electrode a HAR ELECTROI Wrong Buffer Temperature ic 4 This message appears if the temperature of the J buffer is outside the defined buffer temperature lt r Be range The calibration buffer solutions are affected n IH k lt by temperature changes in a defined manner During calibration the instrument will automatically calibrate to the pH value corresponding to the measured temperature but display it to the value at 25 C Immediately after calibration the buffer should read the value of the buffer at the temperature of measurement Po ea u B WONG HHFF Note Temperature limits will be reduced to actual sensor specifications 40 Operational Guide Contaminated Buffer Calibration This warning message appears in order to alert that J Da Pan the buffer could be contaminated Refresh your pse JOC Messages buffer and continue the calibration procedure Good Laboratory
42. eps below Connect USB flash drive to the USB host socket r located on the top of the meter Press the RCL key and select the parameter to view Press the CFMkey Select Manual Stability or interval lots by using the A V arrowkeys Press the LOG key not CFM The a ESE Aga USB HOST tag should come on PLEASE WAIT message appears followed by EXPORT Press CFM to export the selected record er or lot If CFM is not pressed in 10 seconds the USB host will become inactive The meter will display the percentage of export 2 30 a co The export percentage should go to 100 Remove wr USB flashdrive ae I Ll Li B IINE The display will return to the selected file Press the r RCL key twice to return to measurements pa i l a Note Do not remove USB flash drive during an active export transfer P Re a LOT Soge Yat Setup Installation 25 PC amp Storage Interface 26 Setup Installati Logged data on edge can be transferred from the meter to a PC by following these simple directions The minimum operating system for the PCis Windows XP 1 Connect the edge to the PC using the supplied micro USB cable 2 Turnontheedge 3 If LOGON EDGE is enabled go to SETUP and chagne to EXPORT TO PC The PC should detect the edge as a removable drive Open the drive to view the stored files Log files are formatted as comma separate values csv and
43. fic Messages Displayed On Alphanumeric Line During Measurement 3 Lcd Line All the messages described in GENERAL section page 15 are displayed in pH range Temperature Sensor Problem if there is one Bi Cal Due or Offset and Slope Value U J D Time oO Date IX SN ae Battery or Charge Status ren c5 3 Logging Messages a IHTTERY 5H The specific CALIBRATION INFORMATION that can be viewed e Condition and response time gauge if calibrated using 7 01 4 01 or 10 01 buffers e Calibration buffers e pH calibration Offset mV and Slope e Out Of Calibration Range This information is displayed if it is enabled in SETUP menu DH Operational Guide Measurement 45 46 Basic vs Standard EC mode Operational Gui Steps To Optimize Steps to optimize measurement using an EC probe 1 Determine what measurement you wish to make with the EC probe 2 Determine if Standard or Basic mode is best for your measurement 3 Connect the Probe and configure your measurement using the SETUP menu 4 Calibrate the EC probe 5 Take measurements using a EC probe Measurements Available With The EC Probe The four ring EC probe may be used for 3 different measurement applications with edge e t may be used for temperature compensated or absolute conductivity measurements with units of uS cm or mS cm e TDS Total Dissolved Solids measurements a calculated measurement derived from the ionized partic
44. he approximate salinity value the calibration and subsequent concentration measurement will be compensated to display the correct oxygen concentration A 18 error would result if the salinity value is not entered Note Salinity and Altitude have no effect on oxygen solubility range DO Meter Configuration Operational Guide 69 Configuration 70 DO Meter DO Calibration Operational Gui When water is fresh containing no sea water the concentration of oxygen will be at a maximum The solubility of the oxygen dissolved in water is decreased when water is brackish or seawater The solubility of oxygen in water is decreased when measurements are made at elevations above sea level Before proceeding with the calibration make sure the probe is ready for measurements See page 65 i e the membrane cap is filled with electrolyte the probe is connected to the meter and properly polarized For an accurate calibration it is recommended to wait at least 15 minutes to ensure conditioning of the probe Keep the protective cap on during polarization time and remove it for calibration and measurements Follow the calibration procedure Calibrate the probe frequently especially if high accuracy is required The probe can be calibrated at 2 points 100 0 slope calibration and 0 0 zero calibration Initial Preparation Prepare a fresh bottle of HI 7040 by following package directions Use solution within one month of prepar
45. ie Setting Up edge Setup Installati The main operating modes of edge are setup calibration measurement data logging and data export Follow this general outline of steps to get you started in taking measurements The following topics are expanded upon in the sections that follow in this manual 1 Familiarize yourself to the design features of this unique meter 2 Decide how the meter will be used and set up the wall or bench cradle in a clean area near line power 3 Turnedge on using the ON OFF button located on the top of the meter 4 Plugin the probe required for measurement 5 SETUP the measurement parameters required for the measurement you will be making 6 Calibrate the sensor probe You are now ready for measurements Coble HE Clips a EME Bench Cradle Setup Electrode holder J Insert electrode holder arm into the rer Arm I post on the pivoting base Cradle Connect the probe connector to the N socket located at the bottom of the instrument Slide edge into the cradle while positioning the probe cable behind the cradle Put the probe sensor into the electrode holder and secure cable in clips Connect the power adapter cable to the rear socket of the bench cradle Verify the battery icon indicates charging when meter is powered Wall Cradle Setup Choose suitable wall location Use the drilling diagram to drill holes as indicated Use 2 5 mm or US 3 bit Fasten the wall c
46. inse outer body of the probe and inspect membrane for entrapped gas bubbles The cathode area should be free of bubbles 8 Connect the DO probe to the edge meter and turn meter on 9 Allow probe conditioning function to occur Note When notin use and during polarization use the protective transparent cap During this process the following message will be displayed on the LCD DISSOLVED OXYGEN PROBE CONDITIONING TT Maas a OTSSULVE TT vV A The conditioning message will be displayed for about 60 seconds while the DO probe is conditioned If the probe was conditioned and a new conditioning is not necessary press any key to enter measurement mode The probe is polarized with a fixed voltage of approximately 800 mV between the cathode and anode Probe polarization is essential for stable measurements With the probe properly polarized oxygen is continually consumed as it passes through gas permeable PTFE membrane If polarization is interrupted the electrolyte solution continues to be enriched with oxygen until it reaches an equilibrium with the surrounding solution Whenever measurements are taken with a non polarized probe the measurement will be drifty and inaccurate The measurement will jump when the probe is moved AA vonaupwunH PPR NPO Strain Relief Probe Cap PEI Probe Body Temperature Sensor Threads for Membrane Cap Ag AgCl Anode and Reference Glass
47. iration status together with the current reading If disabled EXPIRATION WARNING DISABLED is displayed If enabled the number of days until the calibration alarm CAL DUE will be displayed Or if the number of days the calibration has expired LE CAL EXPIRED 2 DAYS AGO The serial number of the probe GLP mx an an T 4 Note Press GLP atany momentandtheinstrumentwillreturn to measurement mode Operational Guide EC TUS GLP Information 59 EC TUS Measurements 60 Operational Gui The RANGE key will change measurement from conductivity to TDS to Salinity Conductivity Measurements a PREGE LUN Connect the conductivity probe to the instrument and wait until probe parameters are loaded The following message is then displayed on the LCD Probe Connected Verify if the probe has been calibrated Suspend the probe into the solution to be tested The sleeve holes must be completely submersed Tap the probe repeatedly to remove any air bubbles that may be trapped inside the sleeve mS em The conductivity value will be displayed on the 1st LCD line the temperature on the 2nd LCD line and calibration or range specific information on the 3rd LCD line To toggle between information displayed on the 3rd LCD line use the ARROW keys If the reading is out of range when the range is automatic the full sc
48. k in Hanna HI 7074 Inorganic Cleaning Solution for 15 minutes Oil grease Rinse with Hanna HI 7077 or HI 8077 Oil and Fat Cleaning Solution Note After performing any of the cleaning procedures rinse the electrode thoroughly with distilled water refill the reference chamber with fresh electrolyte not necessary for gel filled electrodes and soak the electrode in HI 70300 or HI 80300 Storage Solution for at least 1 hour before taking measurements Temperature Correlation For pH Sensitive Glass Verify the temperature range by reading the limits on electrodes cap The pH electrode s life also depends on the temperature that is used If constantly used at high temperatures the life of the electrode is drastically reduced Alkaline Error High concentrations of sodium ions interfere with readings in alkaline solutions The pH at which the interference starts to be significant depends upon the composition of the glass This interference is called alkaline error and causes the pH to be underestimated Hanna s glass formulations have the indicated characteristics Sodium lon Correction for the glass at ambient temperature Concentration pH Error 12 5 0 05 13 0 0 11 0 1 mol L Na 13 5 0 16 14 0 0 20 11 5 0 01 12 0 0 06 12 5 0 11 1 0 mol L Na 13 0 0 15 13 5 0 21 14 0 0 27 Rinse the probe with clean water after measurements If a more thorough cleaning is required remove the probe sleeve and cl
49. l measurement types pH EC DO and all logging types Manual Manual Stability Interval logs e The maximum number of records for an Interval Lot is 600 records provided log space is available Wis Ge RT g 5 r 171 Lg PLS ie onan c5 i Lub FULL Types of Logging The maximum number of Interval Lots that may be stored is 100 Ifa 101st lot is attempted MAX LOTS will be displayed Some lots will need to be deleted The lot numbering is up to 999 and restarts if all LOT logs are deleted The maximum number of records that may be stored in a MANUAL or STABILITY lot is 200 records If the log memory is full during any logging session the LOG FULL message will be displayed on the 3rd LCD line for a brief moment and logging will cease The display will return to the measurement screen Logging type is configured in SETUP The types of Interval is a continuous log made using the user selected sample period This is not available in Basic mode Setup Installation Manual log on demand readings are logged each time LOG is pressed All of the records are stored in a single Manual lot for the measurement type New records made on different days are stored in the same Manual lot Stability is a log on demand that is made each time LOG is pressed and the stability criterion is reached Stability may be set with Fast Medium or Accurate settings Use the gt arrow to select between
50. lect the desired measurement type Press CFM to display those logs Use the amp VY arrows to scroll through the records and find the desired lot of interest 202 Si wo In gt 00 Liu LOR RECALL du 4 ead Liu a LOG RECALL mD Logging Function Viewing Logged Data Setup Installation zl Viewing Logged Data 22 Setup Installation If no data was logged for the selected measurement p H range the instrument displays the following messages ex for pH range No Manual Logs No Stability Logs Press CFM to enter inside lot information to view memorized records Use the ARROW keys to toggle between different records Use to display GLP data Press CLR then CFM when deleting records or lots Press RCL to exit the lot you are viewing Press RCL to return to the measurement screen Delete Record Lot Da H Press RCL and select measurement log Use the A W keys to select the Manual Stability records or Interval lots to delete The instrument will display CLEAR MANUAL for MANUAL CLEAR STAB for STABILITY For Interval lots the message Clear followed by the selected lot will be displayed with CFM tag blinking p H Press the ARROW keys to select a different lot Press CFM The instrument will display PLEASE WAIT For Interval usethe A keys to select a different E aa lot Press CFM
51. lectrode Rinse Sachets 20 mL 25 pcs HI 7061L General Cleaning Solution 500 mL HI 7073L Protein Cleaning Solution 500 mL HI 7074L Inorganic Cleaning Solution 500 mL HI 7077L Oil amp Fat Cleaning Solution 500 mL HI 8061L General Cleaning Solution in FDA approved bottle 500 mL HI 8073L Protein Cleaning Solution in FDA approved bottle 500 mL HI 8077L Oil amp Fat Cleaning Solution in FDA approved bottle 500 mL ELECTRODE REFILL ELECTROLYTE SOLUTIONS HI 7082 3 5M KCl Electrolyte 4x30 mL for double junction electrodes HI8082 3 5M KCl Electrolyte in FDA approved bottle 4x30 mL for double junction electrodes 88 Accessories EC Conductivity Solutions HI 70030P 2880 uS cm 20 mL sachets 25 pcs HI 70031P 1413 uS cm 20 mL sachets 25 pcs HI 70039P 5000 uS cm 20 mL sachets 25 pcs HI 7030M 2880 uS cm 230 mL bottle HI 7031M 1413 pS cm 230 mL bottle HI 7033M 84 uS cm 230 mL bottle HI 7030M 12880 uS cm 230 mL bottle HI 7034M 80000 uS cm 230 mL bottle HI 7035M 11800 uS cm 230 mL bottle HI 7039M 5000 uS cm 230 mL bottle HI 7030L 2880 uS cm 500 mL bottle HI 7031L 413 uS cm 500 mL bottle HI 7033L 84 uS cm 500 mL bottle HI 7034L 80000 uS cm 500 mL bottle HI 7035L 11800 uS cm 500 mL bottle HI 7039L 5000 uS cm 500 mL bottle HI 7037L 00 NaCl sea water standard solution 500 mL bottle HI 8030L 2880 uS cm 500 mL FDA appro
52. les in a sample and the conductivity measurement This has measurement units of mg L ppm or g L e Salinity 3 different seawater salinity scales are supported Practical Salinity PSU the Natural Seawater Scales g L and the NaCl not available in basic mode The RANGE key is used to change from conductivity to TDS to Salinity standard mode only Basic Versus Standard EC Mode Standard operation mode allows complete configuration of all parameters for the measurement of Conductivity TDS or Salinity measurements Measurement data can be logged using Manual log on demand Manual Log on Stability or Interval logs All logged data can be exported to a thumb drive or PC Basic operation mode is used for conductivity and TDS measurements Common default values are used for Cell Factor C F temperature compensation coefficient and TDS conversion factor Measurement units are user selectable for TDS The meter uses continuous auto ranging to simplify the measurement experience Measurement data can be logged using Manual Log on Demand or Manual Log on Stability or Interval Logging The measurement logs may be exported to a thumb drive or PC Standard Basic Measurement Conductivity TDS Salinity Conductivity TDS Set up Parameters Fully selectable Default values used Log types Manual Log on demand Manual Log on stability Interval Loggin Fast Manual Log on demand Manual Log on stability Medium
53. ll Factor calibration 6 standards available 84 1413 1S cm 5 00 12 88 80 0 111 8 mS cm 1 point offset 0 00 pS cm Single point with HI 7037L Standard Temperature compensation Automatic NoTC can be selected to measure absolute conductivity Specifications Specifications 85 Specifications Conductivity temperature 0 00 to 6 00 C for EC and TDS only Default value is 1 90 C coefficient TDS factor 0 40 to 0 80 default value is 0 50 EC Probe HI 763100 Up to 1000 400 records organized in Manual log on demand Max 200 Log feature logs Manual log on stability Max 200 logs Interval logging Max 600 logs 100 lots Absolute conductivity or TDS is the conductivity or TDS value without temperature compensation Standard mode only 86 Specifications DO 0 00 to 45 00 ppm mg L Range 0 0 to 300 0 20 0 to 120 0 C 4 0 to 248 0 F 0 01 ppm mg L Resolution 0 1 DAT Accuracy 1 5 of reading or 1 digit 25 C 77 F 305 DO Calibration One or two points at 0 HI 7040 and 100 water saturated air Altitude Compensation 500 to 4 000 m 1640 to 13120 Resolution 00 m 328 Salinity Compensation Oto40g L Resolution g L Temperature 0 0 to 50 0 C Compensation 32 0 to122 F DO Probe HI 764080 Up to 1000 records organized in Manual Log on Demand Max 200 logs Log feature Manual Log on St
54. lution for refillable electrodes only Check cable and connectors EC EC probe sleeve not properly inserted air bubbles inside sleeve Reinstall the sleeve Tap the probe to remove air bubbles Move to center of beaker Verify top hole in sleeve is covered with solution DO DO probe electrolyte contains entrapped gas Remove cap Refill tap and reinstall The meter does not accept the buffer standard solution for calibration pH Dirty electrode or contaminated buffer Follow the cleaning procedure If still no results replace the electrode Replace buffer EC The EC probe is defective Follow the cleaning procedure If still no results replace the probe Verify correct standard is selected If the display shows pH and 2 00 or 16 00 blinking Out of range in the pH scale A Verify that the shipping cap has been removed B Make sure the pH sample is in the specified range C Check electrolyte level and general state of the electrode The display shows EC TDS or NaCl readings blinking Out of range in EC TDS or NaCl scale Verify the plastic shipping spacer has been removed from probe Recalibrate the probe Make sure the solution is in specified range Make sure the range is not locked Select Auto range The display shows DO reading blinking Out of range in DO scale Verify area of cathode is free of bubble inside cap Verify sol
55. nd AA l CAL tags will turn on and the 1st LCD line will de display the percent NaCl reading the 2nd LCD line esi will display the temperature and the 3rd LCD line will oN he display WAIT message until the reading is stable ala WAT T ie mene When the reading is stable and close to the standard H 1 CFM tag will blinkand SOLUTION STANDARD will Berne kL f scroll coo HERNE Press CFM to confirm calibration lala SOLUTION STA de The Instrument displays SAVING stores the calibration values and returns to measurement mode Note lf anew EC calibration is performed the NaCl calibration is automatically cleared A new NaCl calibration is required Wrong Standard If the reading is too far from the expected value the sem WRONG STANDARD will scroll Calibration cannot m g U 1 be confirmed In this case check if the calibration m m solution has been used correctly or clean the probe asf by following the EC PROBE MAINTENANCE see page od 79 Ja WRONG STANIA Wrong Standard Temperature If the temperature is out of the 0 0 to60 0 Crange en wen WRONG STANDARD TEMPERATURE message will _ q L T be displayed and the temperature value will blink L En J GLP is a set of functions that allows storage and retrieval of data regarding the maintenance and status of the electrode The following information can be viewed on the 3rd LCD line during measurement TEMPERATU
56. o confirm the buffer that will be replaced Press CAL to leave calibration without replacing Note If the replaced buffer is outside the 0 2 pH window around each of the calibrated buffers itis possible to select this buffer for next calibration during current calibration Working With Custom Buffers If a custom buffer was set in SETUP menu it can be selected during calibration by pressing the ARROW keys The C1 or C2 tag will be on once selected Press if you want to modify the custom buffer value The buffer value will start blinking Use the z Ll mt ARROW keys to change the buffer value Ls a esl After 5 seconds the buffer value is updated Press gt if you want to change it again mg u ni IN eat anes _ oe ju tl eoWHIT 24a Note Custom buffer value can be adjusted in a 1 00 pH window around the set value during calibration When a custom buffer is displayed the C1 or C2 tag is displayed First Calibration Point When performing a new calibration or adding to an existing one the user has a choice how the first new calibration point will be treated in reference to the existing calibration point This is selected in SETUP by the parameter FIRST CALIBRATION POINT The two SETUP selectable options are POINT or OFFSET Point A new buffer can be added to an existing calibration The electrode slope will be reevaluated with the addition of this buffer normal o
57. obe firmware if connected and diagnostic made for troubleshooting Meter ID 4 digit numeric Userselectable 0000 Available Note Parameters that are grayed out are seen under special conditions only edge offers a basic operation mode that streamlines measurement Basic Mode configuration for pH and EC measurements and is useful for many routine applications Basic pH SETUP reduces parameter selection to the basic set The meter limits calibration to 5 standard pH buffers 6 86 7 01 4 01 9 18 and 10 01 buffers All pH measurements will display log and export with 0 01 pH resolution Interval logging is also eliminated Manual and Manual stability Logs on demand are still functional pH CONDITION RESPONSE graphs are not displayed giving the display a Basic measurement screen with just pH data Setup Installation 17 18 Logging Function and temperature Basic EC reduces specific EC SETUP parameters to 3 The meter defaults setting to common parameters and auto ranges measurements automatically The Basic EC meter may be used for conductivity and TDS measurements salinity is not available Interval logging is also eliminated Manual and Manual medium stability Log on demand are still functional Note e f powering edge through the micro USB connector to a PC a SETUP parameter will require the choice LOG ON EDGE e 1000 log records can be stored into the Edge memory This memory is shared between al
58. on 25 an Jus E STANEARE The instrument will display SAVING message and Do it will return to measurement mode Rinse probe tip phages off in water before taking measurements in samples eo a SAVING Operational Guide 71 DO Calibration Messages DO GLP Information DE Operational Gui f uor 20 250 y men ie ao age a Fe WRONG STANIA enz z 2 zz lt I are gt fre iF AS a WRONG STANIA Calibration Messages If the reading is outside limits WRONG STANDARD message will be displayed If the temperature goes out of 0 0 50 0 C range during calibration the WRONG STANDARD TEMPERATURE message will be displayed and temperature value will blink GLP refers to a quality control function used to ensure uniformity of probe calibrations and measurements The dedicated GLP key opens a file of the latest calibration information Use the A keys to scroll the stored information This includes the standards used temperature of the standard Altitude and Salinity factor time and date of the last calibration the expired calibration information and the probe serial number This information is also included with every logged data an LM has coo GLP LM 24 vc c5 3 Last DO Calibration Data The last DO calibration data is stored automatically after a successful calibration To view the DO calibration data p
59. otr or On Error messages Range displayed trigger a warning message pH Meter Configuations Operational Guide 29 30 DH Calibration Operational Gui pH operation in standard mode offers full function of edge meter This includes seven standard buffers and two custom ones Five pH buffers may be used for calibration The instrument should be recalibrated whenever e High accuracy and sensor verification are required The pH electrode is replaced At least once a week After testing aggressive chemicals If CAL DUE is displayed on the 3rd LCD line Every time you calibrate the instrument use fresh buffers and perform an electrode maintenance as required It is advised to choose calibration buffers that bracket the sample pH Preparation Pour small quantities of the buffer solutions into clean beakers If possible use plastic to minimize any EMC interferences For accurate calibration and to minimize cross contamination use two beakers for each buffer solution One for rinsing the electrode and one for calibration If you are measuring in the acidic range use pH 7 01 or 6 86 as the first buffer and pH 4 01 or 3 00 as the second buffer If you are measuring in the alkaline range use pH 7 01 or 6 86 as first buffer and pH 10 01 or 9 18 as the second buffer Procedure Calibration can be performed using up to five calibration buffers For accurate measurements a minimum of a three point calibration i
60. oughout the measurement TDS UNIT Select units of mg L or ppm ppm Available to measurement select for TDS measurement Operational Guide 49 EC Meter Configuration EC TDS CALIBRATION 50 Operational Gui Default NaCl Choices Basic mode PSU NaCl g L Parameter Description EC SALINITY SCALE Three measurement scales are available for salinity measurement in Seawater Practical Salinity Scale Percent Scale and Natural Seawater Scale Not available EC Range Not Available In Basic Mode The ECand TDS measurements may be configured in SETUP as AUTO meaning auto ranging the measurement automatically finds the correct conductivity or TDS unit and resolution or it may be configured with a user selected measurement range and resolution if you know ahead of time where your samples will fall If AUTO is selected the meter will select the scale with the highest possible resolution but may change in the middle of a series of measurements changing units and displayed resolution Note The selected range is only active during measurements Auto ranging is used during calibration If a fixed range is selected and during measurement goes beyond the range limits the full scale value of that range will flash on the display General Guidelines Calibrate the instrument frequently especially if high accuracy is required The instrument should be recalibrated e Whenever the EC probe is re
61. peration Offset The new buffer calibration point can create a constant offset to all existing pH calibration data existing calibration must have a minimum of two pH buffers DH Calibration Operational Guide 33 34 DH Calibration Operational Gui Recalibrating a pH sensor or adding to an existing calibration is simple and follows the PROCEDURE outlined on page 28 Press CAL Place sensor in desired buffer and select buffer from choices When sensor has equilibrated the CFM tag will turn on and blink Press the CFM key Press CAL to escape the calibration Alternately continue calibrating in additional buffers The latest calibration point will be added to the existing data GLP will reflect the latest calibration data Older calibration buffers will be seen as blinking buffers Note Each time a buffer is confirmed the new calibration data replaces the old data for the corresponding buffer or for any near buffer in a 0 2 pH proximity If the current buffer has no previous data stored and the calibration has not used five buffers the current buffer is added to the existing calibration If the existing calibration is full the instrument asks which buffer to replace Note When using Standard mode Basic mode Off the user has a choice if they want the display to show the CONDITION and RESPONSE gauges on the display These are part of the Cal Check system and are selected in SETUP by the paramete
62. placed At least once a week After testing aggressive chemicals If CAL DUE is displayed on the 3rd LCD line Every time you calibrate the instrument use fresh standard and perform electrode maintenance as required It is recommended to chose a calibration standard that is close to the sample Preparation Pour small quantities of the standard solutions into a beaker If possible use a plastic beaker to minimize any EMC interferences For accurate calibration and to minimize cross contamination use two beakers for the standard solution One for rinsing the probe and one for calibration Procedure Select standard to be used for calibration 0 00 uS probe in air may be used for an offset calibration This should be done first Hanna Conductivity standards are available at 84 pS cm 1413 uS cm 5 00 mS cm 12 88 mS cm 80 0 mS cm 111 8 mS cm and are used for the cell factor calibration Rinse the probe with calibration solution or deionized water Shake off excess solution Submerse the probe in the calibration solution The sleeve holes must be completely submersed If possible center the probe in the beaker away from the bottom or beaker walls Raise and lower the probe to refill the center cavity and tap the probe repeatedly to remove any air bubbles that may be trapped inside the sleeve Press CAL to enter calibration The CAL tag and the recognized standard value will appear on the 3rd LCD line If necessary pre
63. r INFORMATION The choice is ON or OFF Electrode Condition And Electrode Response Time edge pH Calibration Check feature will assess electrode condition and response time during each calibration and display it for the rest of the day The condition gauge shows the electrode s condition that is based on the offset and slope characteristics of the pH electrode at the time of calibration The response gauge is a function of the stabilization time between the first and second calibration buffers when calibration is performed between a pair of 4 01 7 01 or 10 01 These gauges reflect the electrode s performance and should be expected to slowly decrease over the life of the electrode de CONDITION RESPONSE P H a is gn 2 Calibration POOR GOOD SLOW FAST If the instrument is not calibrated the calibration history was deleted or it has been calibrated only at one point the electrode condition and the electrode response gauges will be empty CONDITION RESPONSE Ss gt oy a POOR GOOD SLOW FAST For a continuous display of the electrode s condition and response daily calibration is necessary This information can also be viewed in the GLP data Junction Condition HI 11311 And HI 12301 Only edge pH Sensor Check feature will assess the health of the pH electrode s reference junction during each calibration The junction gauge may be viewed directly in GLP but will also blink a warning on the display if the junction is
64. radle using the provided screws Snap cover over screw heads Connect the power adapter cable to the bottom socket of the wall cradle Connect the probe connector to the socket located at the bottom of edge Slide edge into the wall cradle Verify the battery icon indicates charging when meter is powered Setting Up edge Setup Installation 13 Setting Up edge Electrode amp Probe Connections 14 Setup Installati Power Connection Connect the micro USB connector into the USB socket on the cradle or into the micro USB socket of edge Plug the 5 Vdc adapter into the power supply socket edge can be also powered by connecting with a USB cable directly to aPC Note edge is supplied with a rechargeable battery inside which ensures about 8 hours of continuouse use Whenever edge is connected to the power adapter or to a PC the battery is recharging Connect the connector of the probe to the probe input located on the bottom of edge Make sure the probe is completely connected If the probe is recognized CONNECTING message is displayed If the probe is not connected or not recognized NO PROBE message is displayed The following General Setup parameters are displayed with all probe measurements and remain if switching to another probe type Only these General parameters are available when no probe is
65. red by using the SETUP key with a pH probe connected to the meter The parameter specific parameters will be seen inserted into the menu If Basic mode is configured On the pH parameter list will not be displayed See Basic mode for a description of this operation before choosing how to SETUP the meter Parameter Description Choices Default Basic mode When On a limited set of P parameters and calibration Off or r Basic Mode buffers are available for On Off Available use Visual indication of buffers used Probe Condition Buffers used probe and Response times are Off or conditions and Information X On determined and displayed On response times are when calibration uses 7 and not displayed 4 and or 10 pH buffers When On it permits the First Custom user to enter a custom pH Off or R Buffer buffer value to use during On off Not Available probe calibration When On permits user to Second enter a custom pH buffer Off or x Custom Buffer value to use during probe On Off Not Available calibration First Allows the user to choose Offset Not Available Calibration how the first point in of point Offset automatically uses Point calibration will be made P Offset Allows the user to select 0 01 Or Not Available Resolution between 0 01and0 001pH 0 001 0 01pH automatically uses resolution pH 0 01 pH resolution When On a measurement Set Out Of ERRE Not Available No Calibration ee
66. ress GLP when the instrument is in measurement mode The instrument will display The calibration standard and the calibration temperature 0 0 if instrument was calibrated in this point 100 calibration point if instrument was calibrated in water saturated The altitude and salinity setting at the moment of DO GLP calibration together with the current reading mmr i LILES Information coo a Hu 4 The time of the calibration together with the current x reading f m Mm m wu eso Ba ees The date of the calibration together with the current a reading Zu m wu coo a 20 30620 Calibration Expiration status together with the current reading am rm If disabled EXPIRATION WARNING DISABLED is mu displayed Fe 250 a EXPIRATION W If enabled the number of days until the calibration alarm CAL DUE will be displayed mrr wu est a CAL EXPIRES Or if the number of days the calibration has expired m LE CAL EXPIRED 2 DAYS AGO em mor LSU coo a CAL EXPIRED Operational Guide 73 DO GLP Information DO Measurements 74 Operational Gui The probe serial number together with the current reading Make sure that the probe is polarized calibrated and the protective cap has been removed Rinse probe Submerse the probe in the sample to be tested make sure temperature probe is also immersed Allow reading to stabilize The sample should
67. s recommended The calibration buffer can be selected from the calibration buffer list that includes the custom buffers and the standard buffers pH 1 68 4 01 pH 3 00 6 86 7 01 9 18 10 01 and 12 45 pH 3 00 is only visible when using specific pH electrodes and will replace 4 01 pH buffer The custom buffers allow the user to calibrate in a buffer solution different froma standard one Two custom buffers can be set in SETUP menu See page 30 for more information about using custom buffers The instrument will automatically skip the buffer used during calibration and the buffers which are in a 0 2 pH window around one of the calibrated buffers Submerse the pH electrode approximately 3 cm 1 4 into a buffer solution and stir gently Press CAL to enter calibration The CAL tag will appear and the 7 01 buffer will Z r be displayed on the 3rd LCD line If necessary press LS the ARROW keys to select a different buffer value i a The 3 along with STIR tag will be displayed and est WAIT will blink on the LCD until the reading is Nl 2 stable Je nA TE D i When the reading is stable and close to the selected PH buffer CFM tag will blink Press CFM to confirm 1 fi calibration Forme nl eof la gi The calibrated value will be displayed on the 1stLCD xz m 1 line and the second expected buffer value on the 3rd Lf LCD line SG mt KA VP ee arzt After the first
68. ss the ARROW keys to select a different standard value EC TDS The 3 along with STIR tag will be displayed ang and WAIT will blink on the LCD until the reading is U J x stable OE eo wi 7 B WAITS cn Operational Guide CALIBRATION 51 EC TDS ma When the reading is stable and close to the selected CALIBRATION uann standard CFM tag will blink and the message SOLUTION STANDARD will scroll displays SAVING stores the calibration values and ri ni Press CFM to confirm calibration The Instrument 5 LI returns to measurement mode Tf a o x 4 52 Operational Guide The following table lists the temperature dependence of Hanna EC calibration standards edge uses these values during calibration and their temperature EC TDS coefficients HI7030 HI7031 HI7033 HI7034 HI7035 HI7039 C oF HI8030 HI8031 HI8033 HI8034 HI8035 HI8039 uS cm nS cm nS cm pS cm pS cm pS cm 0 32 7150 776 64 48300 65400 2760 5 41 8220 896 65 53500 74100 3180 10 50 9330 1020 67 59600 83200 3615 15 59 10480 1147 68 65400 92500 4063 16 60 8 10720 1173 70 67200 94400 4155 17 62 6 10950 1199 71 68500 96300 4245 18 64 4 11190 1225 73 69800 98200 4337 19 66 2 11430 1251 74 71300 100200 4429 20 68 11670 1278 76 72400 102100 4523 21 69 8 11910 1305 78 74000 104000 4617 22 71 6 12150 1332
69. ss the RANGE key until NaCl is displayed on the LCD The instrument will display the NaCl reading on the 1st LCD line and the temperature reading on the 2nd LCD line If the reading is out of range the full scale value Nac 400 0 will be displayed blinking rr mu cor Salinity Measurements Operational Guide 63 Salinity Measurements 64 Operational Gui Natural Sea Water Scale The Natural Sea Water Scale extends from 0 80 0 g L It determines salinity based upon a conductivity ratio of sample to standard seawater at 15 C _ GC Sample 35 15 er ug ay 25 c Where R is the conductivity ratio and salinity is e defined by the following equation 25i a fgg S 0 08996 28 2929729R 12 80832R 2 10 67869R 5 98624R 1 32311R Note The formula can be applied for temperatures between 10 C and 31 C Steps To Optimize Determine if Concentration or Saturated measurements will be made 1 2 Prepare the D O probe for measurement 3 Connect the probe to the meter and configure the SETUP parameters 4 Calibrate the D O sensor 5 Take measurements using the DO sensor Measurements Available Concentration measurements in water and oxygen saturated measurements are available using edge together with HI 764080 DO probe Algorithms used for concentration measurements units of ppm or mg L are based upon the oxygen solubility in
70. t to 1 90 C T Ref C The user may select either 20 C or 25 C reference temperature for temperature corrected conductivity 20 Cor 25 C 25 C Available TDS Conversion Factor This factor is used to mathematically convert conductivity toa TDS value 0 40 to 0 80 0 50 Available VIEW T Ref or T Coef The user may choose whether to display the reference temperature T Ref or the Temperature coeficient on the display with the measurement T Ref C or T T Ref C Coef C T Ref C automatically displayed during measurement Parameter Description Choices Default Basic mode EC Meter EC RANGE If AUTOisused AUTO AUTO Not available but Co nfi g uration the edge will 29 99 uS cm measurement automatically 299 9 uS cm autoranges as find the correct 2999 uS cm needed conductivity 29 99 mS cm range and 200 0 mS cm unit If a fixed 500 0 mS cm value is used measurements made outside the ranges are considered Out of Range but units will remain fixed throughout the measurement TDS RANGE IFAUTOisused AUTO AUTO Not available but the edge will 14 99 mg L measurement automatically 149 9 mg L autoranges as find the 1499 mg L needed correct TDS 14 99 g L measurement 100 0 g L range and 400 g L units If a fixed value is used measurements made outside the ranges are considered Out of Range but units will remain fixed thr
71. ty of anormal seawater sample at 15 Cand1 atmosphere toa potassium chloride solution KCI with a mass of 32 4356 g Kg water at the same temperature and pressure Under these conditions the ratio is equal to 1 and S 35 The practical salinity scale may be applied to values through 42 PSU at temperature between 2 to 35 C According to the definition salinity of asample in PSU practical salinity units is calculated using the following formula _ G Sample T 35 15 er r 1 0031 10 9T4 6 9698 10 7T3 1 104259 10 4T2 2 00564 10 2T 6 766097 10 1 er 5 5 Sal a R flt amp b aR FIEX SE 14Y Y Tis f t 7700162 1 15 R ratio of sample conductivity to standard conductivity at Temp T CT sample conductivity at T C C 35 15 42 914uS cm the corresponding of KCI solution containing a mass of 32 4356 g KCI 1 Kg solution r Temperature compensation polynomial a 0 008 b 0 0005 a 0 1692 b 0 0056 c T u a 25 3851 b 0 0066 l a 14 0941 b 0 0375 ac a 7 0261 b 0 0636 a m a 2 7081 b 0 01442 s 499 c 0 008 c 0 0005 f t __ X 400R 1 0 0162e t 15 Y 100R NaCl Percent Scale The NaCl scale is an older scale salinity scale used for seawater salinity In this scale 100 salinity is equivalent to roughly 10 solids High percentages were made by evaporation To display NaCl in units enter SETUP and select NaCl unit Pre
72. urned in its original packing Before using this product make sure that it is entirely suitable for your specific application and for the environment in which it is used Operation of this instrument may cause unacceptable interferences to other electronic equipment thus requiring the operator to take all necessary steps to correct interferences Any variation introduced by the user to the supplied equipment may degrade the instrument s EMC performance To avoid damages or burns do not put the instrument in microwave ovens For your and the instrument s safety do not use or store the instrument in hazardous environments Safety Measures Safety Measures 5 6 Description Description edge enables the user to make fast accurate measurements of commonly measured laboratory parameters using one of the Hanna edge digital sensors for pH Conductivity or Dissolved Oxygen The digital sensors are individually serialized and identified by the meter Once connected to the meter they are ready to measure their individual parameters along with temperature The clean user interface permits you to adapt edge to your exact measurement requirements The intuitive design simplifies configuration calibration measurement data logging and transfer of data to a USB thumb drive or computer edge also offers a basic operation mode that streamlines measurement configuration and is useful for many routine applications Every fe
73. ution movement past membrane Remove cap inspect and clean if necessary Install new cap fresh electrolyte with no bubbles permit longer polarization Stir or increase flow rate Symptoms Problems Solution If the display shows mV and 1000 or 1000 blinking Out of range in the mV scale A Verify the shipping cap has been removed B Make sure the sample pH is within specified range C Verify electrolyte level in pH sensor is topped off D Verify no bubbles inside pH membrane The meter does not measure temperature is displayed on 2nd LCD line Broken temperature sensor Replace the probe The meter fails to calibrate NaCl Incorrect EC calibration Recalibrate the meter in EC range Set cell constant to 1 The meter fails to calibrate or gives faulty readings Broken pH electrode Replace the electrode At startup the meter displays all LCD tags permanently One of the keys is stuck Check the keyboard or contact your local Hanna Office CAL Prod message at startup Instrument was not factory calibrated or lost factory calibration Contact Hanna Technical Support for help Troubleshooting Guide Maintenance 83 Specifications 84 Specifications pH Temperature Range 2 00 to 16 00 pH 2 000 to 16 000 pH 20 0 to 120 0 C 4 0 to 248 0 F 1000 0 mv Resolution 0 01 pH 0 001
74. ved bottle HI 8031L 413 uS cm 500 mL FDA approved bottle HI 8033L 84 uS cm 500 mL FDA approved bottle HI 8034L 80000 uS cm 500 mL FDA approved bottle HI 8035L 111800 uS cm 500 mL FDA approved bottle HI 8039L 5000 uS cm 500 mL FDA approved bottle Accessories Accessories 89 Accessories DO HI 7040M Zero Oxygen Solution 230 ml HI 7040L Zero Oxygen Solution 500 ml HI 7041S Refilling Electrolyte Solution 30 ml HI 764080 Spare probe with 2 meter 6 7 cable HI 764080A P 5 spare membranes Other Accessories HI 75110 220U Voltage adapter from 115 Vac to 5 Vdc USA plug HI 75110 220E Voltage adapter from 230 Vac to 5 Vdc European plug HI 76404B Electrode holder HI 2000WC Wall cradle HI 2000BC Bench cradle Ordering Information HI 2020 01 edge instrument with US plug HI 2020 02 edge instrument with EU plug HI11310 Glass body double junction pH temperature electrode HI11311 Glass body double junction pH temperature electrode with enhanced diagnostics HI 12300 Plastic body double junction pH temperature electrode Plastic body double junction pH temperature electrode with enhanced HI 12301 diagnose HI 763100 EC temperature probe HI 764080 DO temperature probe 90 Accessories edge is guaranteed for two years against defects in workmanship and materials when used for its intended purpose and maintained according to instructions

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