Hanna-instruments HI 96710 User Manual

1www.hannainst.comInstruction ManualHI 96710CpH & Chlorine ISM

10Under range: A blinking “0.00” indicates that the sampleabsorbs less light than the zero reference. Check the procedureand make sure you use the sam

11Over Range: A flashing value of the maximum concentrationindicates an over range condition. The concentration of the sampleis beyond the programmed

12• Proper use of dropper:(a) to get good reproducible results, tap the dropper on the table for several times and wipethe outside of the dropper with

13• Whenever the cuvette is placed into the measurement cell, it must bedry outside, and completely free of fingerprints, oil or dirt. Wipe itthorough

14MEASUREMENT PROCEDURETo compensate the meter for the sample turbidity or color, the measurement takes place in twophases. First, the meter is zeroed

15• When the beeper sounds briefly and theLCD displays dashes, the meter is ready.The blinking “ZERO” indicates that theinstrument needs to be zeroed

16• Press READ/ /TIMER. The lamp, cuvetteand detector icons will appear on thedisplay, depending on the measurementphase.• The instrument directly dis

17• Replace the cuvette into the cuvette holderand ensure that the notch on the cap ispositioned securely into the groove.• Press and hold READ/ /TIME

18TOTAL CHLORINE MEASUREMENT• Fill the cuvette up to the mark with 10mL of unreacted sample and replace thecap.• Place the cuvette into the holder and

19INTERFERENCESInterference may be caused by:BromineIodineChlorine DioxideOzoneOxidized manganese and Chromium.In case of water with hardness greater

2TABLE OF CONTENTSPRELIMINARY EXAMINATION ... 3GENERAL DE

20VALIDATION PROCEDUREUse the validation procedure to ensure that the instrument is properly calibrated.Warning: Do not validate the instrument with a

21• Press CAL CHECK and the lamp, cuvetteand detector icons together with “CALCHECK” will appear on the display,depending on the measurement phase.• A

22• Press ZERO/CFM and the lamp, cuvette anddetector icons will appear on the display,depending on the measurement phase.• After a few seconds the dis

23DATE INPUT• Press RANGE/GLP/ to edit the desiredyear (2009-2099). If the key is keptpressed, the year number is automaticallyincreased.• When the c

24It is possible to delete the calibration andrestore factory calibration.• Press RANGE/GLP/ to enter GLP mode.• Press READ/ /TIMER to enter in thef

25To save battery, the instrument shuts down after 10 minutes of non-use in measurement modeand after 1 hour of non-use in calibration mode.If a valid

26ACCESORIESREAGENT SETHI 93701-01 Reagents for 100 free chlorine testsHI 93701-03 Reagents for 300 free chlorine testsHI 93710-01 Reagents for 100 pH

27Recommendations for UsersBefore using these products, make sure that they are entirely suitable for your specific application and for the environmen

28Printed in EUROPE(ROMANIA)Hanna Instruments Inc.Highland Industrial Park584 Park East DriveWoonsocket, RI 02895 USATechnical Support for CustomersTe

3PRELIMINARY EXAMINATIONPlease examine this product carefully. Make sure that the instrument is not damaged. If anydamage occurred during shipment, pl

4GENERAL DESCRIPTIONABBREVIATIONSThe HI 96710 is an auto diagnostic portable microprocessor meter that benefits from Hanna’syears of experience as a m

5SPECIFICATIONSRange pH 6.5 to 8.5Free Chlorine 0.00 to 5.00 mg/LTotal Chlorine 0.00 to 5.00 mg/LResolution 0.1 pH0.01 mg/L under 3.50 mg/L Chlorine0.

6Precision is how closely repeatedmeasurements agree with each other. Precisionis usually expressed as standard deviation (SD).Accuracy is defined as

7A microprocessor controlled special tungsten lamp emits radiation which is first opticallyconditioned and beamed to the sample contained in the cuvet

81) RANGE/GLP/ key2) CAL CHECK key3) ZERO/CFM key4) READ/ /TIMER key5) ON/OFF key6) Liquid Crystal Display (LCD)7) Cuvette alignment indicator8) Cuve

9DISPLAY ELEMENTS DESCRIPTION 1) The measuring scheme (lamp, cuvette, detector), appears during different phases of zero orreading measurement2) Error