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Hanna Instruments Edge HI 2020 Instructions Manual Download Page 61

Specifications

61

EC

TDS

Salinity

Temperature 
compensation

Automatic -5 to 100 ºC (23 to 212 ºF)
NoTC - can be selected to measure
absolute conductivity.

Conductivity 
temperature 
coefficient

0.00 to 6.00% / ºC (for EC and TDS only). Default value is 1.90% / ºC

TDS factor

0.40 to 0.80 (default value is 0.50)

EC Probe

HI 763100

Log feature

Up to 1000 * (400) records organized in: Manual log on demand (Max. 200 
logs), Manual log on stability (Max. 200 logs), Interval logging * (Max. 600 
logs; 100 lots)

DO

Range

0.00 to 45.00 ppm (mg/L)
0.0 to 300.0%
0.0 to 50.0 ºC (32.0 to 122.0 °F)**

Resolution

0.01 ppm (mg/L)
0.1%
0.1 °C

Accuracy
@ 25 °C / 77 °F

±1.5% of reading or ±1 digit
±0.5 ºC

DO Calibration

One or two points at 0% (HI 7040) and 100% (water saturated 
air)

Altitude Compensation 
Resolution

-500 to 4,000 m (-1640 to 13120’)
100 m (328’)

Salinity Compensation 
Resolution

0 to 40 g/L
1 g/L

Temperature 
Compensation

0.0 to 50.0 ºC
(32.0 to 122 ºF)

DO Probe

HI 764080

Log Feature

Up to 1000 records organized in Manual Log on Demand
(Max. 200 logs)
Manual Log on Stability (Max. 200 logs)
Interval 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 ºC (32-122 ºF) Max 95% RH non-condensing

Dimensions

202 x 140 x 12 mm (7.9 x 5.5 z 0.5”)

Weight

250g (8.82 oz)

Specifications

*Standard Mode Only

** Temperature limits will be reduced to actual probe/sensor limits.

‡Absolute conductivity (or TDS) is the conductivity (or TDS) value without temperature 

compensation.

Dissolved 

Oxygen 

Specifications

www.

.com

[email protected]

1.800.561.8187

Summary of Contents for Edge HI 2020

Page 1: ...pH EC DO www com information itm com 1 800 561 8187 ...

Page 2: ... Basic vs Standard pH Mode 20 pH Meter Configurations 21 27 Calibration Messages 27 29 pH GLP Information 29 30 pH Measurement 31 32 Basic vs Standard EC Mode 33 EC Meter Configuration 33 36 EC TDS Calibration 36 37 NaCl Calibration 38 Calibration Messages 38 39 EC TDS GLP Information 39 40 NaCl GLP Information 41 42 EC TDS Measurements 42 43 Salinity Measurements 43 45 Dissolved Oxygen Setup 46 4...

Page 3: ...dard Sachets HI 7041S Electrolyte for DO probe HI 700601 General Purpose Cleaning Solution 2 DO membrane caps for HI 764080 DO probe 2 replacement O rings for membrane caps 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 interference to other electronic equipment requir...

Page 4: ...omputer edge also offers a basic operation mode that streamlines measurement configuration and is useful for many routine applications Every featureandmeasurementdetailisdesignedtogiveyouanedgeinmeasurement technology edge is versatile in many ways The slim meter and probe can be used as a portable device using its rechargeable battery or used in its bench or wall cradles that also power the meter...

Page 5: ...eypad 3 3 mm jack input for edge digital probes 4 Top mounted ON OFF button 5 Micro USB device connection for power or PC interface 6 Standard USB host connection for data transfer to a USB thumb drive Product Diagram www com information itm com 1 800 561 8187 ...

Page 6: ...recognition Store calibration specific data from the last calibration Are built with materials suitable for use in chemical analysis Have integrated temperature measurement Incorporate a 3 mm jack termination Unique serial ID in every probe for traceability Probes Probe Diagram www com information itm com 1 800 561 8187 ...

Page 7: ... exit SETUP mode During calibration used to clear previous calibration data In log RCL used to clear log records 5 Used to scroll through SETUP menu Used to change selection when modifying a parameter in SETUP 6 RCL Recall Used to view logged records or view log memory used 7 LOG Used to log data by manual log on demand or manual log on stability or to start stop interval logging Note You can incr...

Page 8: ...measurement 12 Temperature units 13 Temp Compensation status 14 Measurement line 15 Measurement units 16 Stability Indicator The third line of the LCD 9 is a dedicated message line During measurement the user may use the pq arrows to select desired message Options include date time calibration data battery charge or no message If a measurement error or log status change occurs during measurement t...

Page 9: ...easurement you will be making 6 Calibrate the sensor probe You are now ready for measurements Bench Cradle Setup Insert electrode holder arm into the post on the pivoting base Connect the probe connector to the 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...

Page 10: ... 5 VDC adapter into the power supply socket or by connecting directly to a PC Note edge issuppliedwitharechargeable battery inside which provides about 8 hours of continuous use Whenever edge i s connected to the power adapter or to a PC the battery is charging Connect the 3 mm probe jack to the probe input located on the bottom of edge Make sure the probe is completely connected If the probe is r...

Page 11: ...mand Manual log on stability 3 types of stability criteria available Timed interval lot logging Manual Log Stability Log Fast Medium Accurate Interval Log Seconds 5 10 30 Interval Log Minutes 1 2 5 15 30 60 120 180 Interval 5 Sec Manual log or Stability log Medium Set Calibration Expiration Warning Meter will indicate CAL DUE when set time in this parameter has been exceeded 1 2 3 4 5 6 7 days or ...

Page 12: ...rd LCD line of display Word scroll messages or letter scroll messages Letter scroll messages Available Reset Config To Default Press the MODIFY key and CFM when prompted to reset parameters Available RESETS with Basic Mode OFF Instrument Firmware Probe Firmware Displays firmware version of meter Using the u key switches to Probe firmware if connected and diagnostic made for troubleshooting View on...

Page 13: ... logs The maximum number of records for an Interval lot is 600 records provided log space is available A record is a stored reading and a lot is a group of records Each time an Interval log is initiated a new lot is created The maximum number of Interval lots that may be stored is 100 If a 101st lot is attempted MAX LOTS will be displayed Some lots will need to be deleted The lot numbering is up t...

Page 14: ...s displayed on the third 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 on continuously during active logging Pressing u during an interval log will display the number of logs available Pressing the LOG key again will stop the Interval logging session The LOG STOPPED message will be displayed for a few seconds I...

Page 15: ...splayed on all 4 screens PLEASE WAIT WAITING SAVED with the log record number FREE with the number of free spaces available 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 Pr...

Page 16: ... Records ForIntervallots themessage CLEAR followedbythe selected lot will be displayed with CFM tag blinking Press the keys to select a different lot Press CFM The instrument will display PLEASE WAIT CLEAR DONE is displayed for a few seconds after the selected Interval lot is deleted Delete Records Manual and Stability log on demand To delete individual records Manual and Stability logs only enter...

Page 17: ...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 Delete All All pH logs or all EC all DO logs may be deleted in a single clear This function will delete all MANUAL STABILITY and INTERVAL logs for the measurement type selected Press the RCL key The pH EC or DO type will be blinking ...

Page 18: ... message appears followed by EXPORT Press CFM to export the selected record or lot If CFM is not pressed in 10 seconds the USB host will become inactive The meter will display the percentage of export The export percentage should go to 100 Remove USB flash drive If the selected file is already saved on the flash drive edge will ask for confirmation of overwriting the existing file The message OVER...

Page 19: ...ge are suggested settings Other files may be visible depending upon computer settings All files stored will appear in this folder Adjust Font or column width appropriately Adjust the decimal places if the pH was logged with 0 001 resolution All conductivity measurements will be displayed as μS cm Interval logs are designated as pH EC or DO Lots ie PHLOT001 ECLOT002 DOLOT003 The Manual Lots are PHL...

Page 20: ...u 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...

Page 21: ...on Off or value Off Not Available First Calibration Point Allows the user to choose how the first point in calibration will be made Offset or point Offset Not Available automatically uses Offset Resolution Allows the user to select between 0 01 and 0 001 pH resolution 0 01 or 0 001 pH 0 01 pH Not Available automatically uses 0 01 pH resolution Set Out Of Calibration Range When set to On a measurem...

Page 22: ...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 The custom buffers allow the user to calibrate in a buffer solution different from a standard one Two custom buffers can be set in SETUP menu See page 23 for more information about using custom buffers The instrument will automatically skip custom buffers which are in a 0 2 pH window of an already calib...

Page 23: ...nding buffer or for any buffer in the proximity of 0 2 pH If current buffer has no previous data stored and the calibration is not full five buffers the current buffer is added to the existing calibration If the existing calibration is full the instrument asks which buffer to replace Press the ARROW keys to select another buffer to be replaced Press CFM to confirm the buffer that will be replaced ...

Page 24: ...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 buffer in the proximity of 0 2 pH If the current buffer has no previous data stored and the calibration has not used five buffers the current ...

Page 25: ...eference 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 Calibration in Basic Mode Procedure Basic mode operation permits up to three point buffer calibration For accurate measurements at least a two point calibratio...

Page 26: ...buffer solution and stir gently If necessary press the ARROW keys to select a different buffer value The 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 va...

Page 27: ... 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 97...

Page 28: ...Maintenance for details Repeat calibration after cleaning Check Electrode Check Buffer CHECK ELECTRODE CHECK BUFFER appears when electrode slope exceeds the highest accepted slope limit You should check your probe and use fresh buffer Cleaning may also improve this response Bad Electrode BAD ELECTRODE appears if the cleaning procedure performed as a result of the above two messages is found to be ...

Page 29: ...on information Use the qp keys to scroll the stored information This includes the buffers used temperature of the buffer 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 cal...

Page 30: ...RED 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 and Response gauges are visible on the day of calibration See Electrode Condition And Electrode Response Time page 24 If configured in SETUP a countdown message displays the number of days remaining until a new Ca...

Page 31: ... 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 Error Messages During Measurement If the pH or temperature exceeds the limits of the sensor th...

Page 32: ...sages described in General Setup page 11 are displayed in pH range Temperature Sensor Problem if there is one Cal Due or Offset and Slope Value Time Date Battery or Charge Status Logging Messages Out of Calibration Range pH Measurement www com information itm com 1 800 561 8187 ...

Page 33: ...ard operation mode allows complete configuration of all options for the measurementofConductivity TDSorSalinitymeasurements Measurementdata 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 tempe...

Page 34: ...ity to a reference temperature by applying a fixed factor for linear compensation 0 00 to 6 00 ºC Note Setting to 0 00 is the same as using No TC 1 90 ºC Close for natural waters or salt solutions Not available Automatically set to 1 90 ºC T Ref ºC The user may select either 20 ºC or 25 ºC reference temperature for temperature corrected conductivity 20 ºC or 25 ºC 25 ºC Available TDS Conversion Fa...

Page 35: ...the measurement AUTO 14 99 mg L 149 9 mg L 1499 mg L 14 99 g L 100 0 g L 400 g L AUTO Not available but measurement autoranges as needed TDS Unit Select units of measurement for TDS measurement mg L or ppm ppm Available to select EC Salinity Scale Three measurement scales are available for salinity measurement in Seawater Practical Salinity Scale Percent Scale and Natural Seawater Scale PSU NaCl g...

Page 36: ...specially if high accuracy is required The instrument should be recalibrated Whenever the EC probe is replaced At least once a week After testing aggressive chemicals If CAL DUE is displayed on the third LCD line Every time you calibrate the instrument use fresh standard and perform electrode maintenance as required It is recommended to choose a calibration standard that is close to the sample Pre...

Page 37: ...s during calibration ºC ºF HI7030 HI8030 μS cm HI7031 HI8031 μS cm HI7033 HI8033 μS cm HI7034 HI8034 μS cm HI7035 HI8035 μS cm HI7039 HI8039 μS 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 ...

Page 38: ...edly to remove any air bubbles that may be trapped inside the sleeve PressCALtoentercalibration The STIR and CAL tags will turn on and the first LCD line will display the percent NaCl reading the second LCD line will display the temperature and the third LCD line will display WAIT message blinking until the reading is stable When the reading is stable and close to the standard CFM tag will blink a...

Page 39: ...on enter GLP mode by pressing GLP key EC calibration data is stored automatically after a successful calibration 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 pq keys to scroll through the calibration data displayed on the third LCD line The cell fac...

Page 40: ...bration Expiration 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 i e CAL EXPIRES IN 2 DAYS If enabled the number of days since the calibration expired I E CAL EXPIRED 2 DAYS AGO The serial number of the probe together with the current reading EC TDS GLP Information ww...

Page 41: ...e salinity coefficient determined from the calibration together with the current reading The Solution Standard together with the calibrated temperature The time hh mm ss of the last calibration together with the current reading The date yyyy mm dd of the last calibration together with the current reading Calibration Expiration status together with the current reading If disabled EXPIRATION WARNING...

Page 42: ...eve The conductivity value will be displayed on the first LCD line the temperature on the second LCD line and calibration or range specific information on the third LCD line To toggle between information displayed on the third LCD line use the ARROW keys If the reading is out of range when the range is set to automatic the full scale value 200 0 mS cm for ATC mode or 500 0 mS cm for absolute condu...

Page 43: ...will continue to be displayed blinking If temperature exceeds the meter specification of 120 ºC then 120 ºC will blink on the display If interval logging the message OUT OF SPEC will alternate with the Log specific messages in both of these cases The Log file will indicate a ºC next to the data In the case the temperature sensor is damaged BROKEN TEMPERATURE SENSOR along with NoTC tag will be disp...

Page 44: ...d using the following formula NaCl Percent Scale The NaCl scale is an older 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 Press the RANGE key until NaCl is displayed on the LCD The instrument will display the NaCl reading on the first LCD lin...

Page 45: ...rd seawater at 15 C Where R15 is the conductivity ratio and salinity is defined by the following equation S 0 08996 28 2929729R15 12 80832R15 2 10 67869R15 3 5 98624R15 4 1 32311R15 5 Note The formula can be applied for temperatures between 10 ºC and 31 ºC If the reading is out of the measurement range the display will flash the highest value possible and a warning message will be displayed If thi...

Page 46: ...rd shipping tube used to protect the probe during shipping Save the tube should the probe be stored dry again 2 Open membrane package and remove one O ring and one membrane cap 3 Rinse the membrane cap with a small amount of HI7041 electrolyte and discard 4 Position o ring in cap as indicated Refill membrane cap 3 4 full with electrolyte solution ensure to cover the o ring 5 Holding the membrane c...

Page 47: ...ium 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 Note When not in use and during polarization use the protective transparent cap Dissolved Oxygen Setup 1 Strain Relief 2 Probe Cap 3 PEI Probe Body 4 Temperature Sensor 5 Threads for Membrane Cap 6 Ag AgCl Anode...

Page 48: ...o ensure the most accurate calibration and concentration measurement 500 400 300 200 100 0 100 200 300 400 500 600 700 800 900 1000 1100 1200 1300 1400 1500 1600 1700 1800 1900 2000 2100 2200 2300 2400 2500 2600 2700 2800 2900 3000 3100 3200 3300 3400 3500 3600 3700 3800 3900 4000 m 0 Salinity g L Dissolved oxygen solubility decreases if water contains salts Selecting this factor as to be close to...

Page 49: ...esh water at 25 C By entering the 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 When water is fresh containing no sea water the concentration of oxygen will be at a max...

Page 50: ...fter the first point The instrument will display SAVING message and it will return to measurement mode memorizing the slope calibration data Zero Calibration PressCALorcontinuewithcalibrationafterconfirming first point The meter will display WAIT and 0 0 will be displayed in lower right corner Submerse the probe membrane and temperature sensor into the beaker containing HI 7040 Zero Oxygen solutio...

Page 51: ...d Salinity factors time and date of the last calibration the expired calibration information and the probe serial number This information is also included with all logged data Last DO Calibration Data The last DO calibration data is stored automatically after a successful calibration To view the DO calibration data press GLP when the instrument is in measurement mode The instrument will display Th...

Page 52: ... 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 Note The sample should be stirred when taking a reading The Dissolved Oxygen value in is displayed on the first LCD line and the tem...

Page 53: ...re at which the probe was stored and the temperature of the sample the longer the time will be If the DO temperature exceeds the limits of the probe the message PROBE OUT OF SPEC will scroll on the third LCD line and LCD will display dashes If the temperature exceeds the meter specification 120 ºC then 120 ºC will blink on the display If interval logging the message OUT OF SPEC will alternate with...

Page 54: ...on electrolyte is more than 2 cm 1 below the fill hole add HI 7082 or HI 8082 3 5M KCl Electrolyte Solution for double junction electrodes Unscrewthefillholecoverduringmeasurementssotheliquidreferencejunction maintains an outward flow of electrolyte Measurement Rinse the electrode tip with distilled water Submerse the tip 3 cm 1 in the sample and stir gently for a few seconds For a faster response...

Page 55: ...ectrolyte HI 7082 or HI 8082 for double junction electrodes Allow the electrode to stand upright for 1 hour Follow the Storage Procedure above 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 Protei...

Page 56: ... with a 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 The insulator used to support the platinum rings is made of glass Use extreme caution when handling this probe EC Probe Maintenance www com information itm com 1 800 561 8187 ...

Page 57: ...membrane cap clockwise Some electrolyte will overflow The platinum cathode DO Probe Diagram page 47 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 rin...

Page 58: ...e 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...

Page 59: ...en 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 messa...

Page 60: ...00 to 29 99 μS cm 30 0 to 299 9 μS cm 300 to 2999 μS cm 3 00 to 29 99 mS cm 30 0 to 200 0 mS cm up to 500 0 mS cm absolute conductivity 0 00 to 14 99 ppm mg L 15 0 to 149 9 ppm mg L 150 to 1499 ppm mg L 1 50 to 14 99 g L 15 0 to 100 0 g L up to 400 0 g L absolute TDS with 0 80 factor 0 0to400 0 NaCl 2 00 to 42 00 PSU 0 0 to 80 0 g L Resolution 0 01 μS cm 00 1 μS cm 0 01 μS cm 0 01 mS cm 00 1 mS cm...

Page 61: ... and 100 water saturated air Altitude Compensation Resolution 500 to 4 000 m 1640 to 13120 100 m 328 Salinity Compensation Resolution 0 to 40 g L 1 g L Temperature Compensation 0 0 to 50 0 ºC 32 0 to 122 ºF DO Probe HI 764080 Log Feature Up to 1000 records organized in Manual Log on Demand Max 200 logs Manual Log on Stability Max 200 logs Interval Logging 100 lots Max 600 logs lot Additional Speci...

Page 62: ...ffer 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 appro...

Page 63: ...000 μS cm 500 mL bottle HI 7037L 100 NaCl sea water standard solution 500 mL bottle HI 8030L 12880 μS cm 500 mL FDA approved bottle HI 8031L 1413 μS cm 500 mL FDA approved bottle HI 8033L 84 μS cm 500 mL FDA approved bottle HI 8034L 80000 μS cm 500 mL FDA approved bottle HI 8035L 111800 μS cm 500 mL FDA approved bottle HI 8039L 5000 μS cm 500 mL FDA approved bottle DO HI 7040L Zero Oxygen Solution...

Page 64: ...der 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 ins...

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