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INSTRUCTION MANUAL

HI96762C

Free Chlorine Meter for Drinking

Water Application

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Summary of Contents for HI 96762C

Page 1: ...INSTRUCTION MANUAL HI96762C Free Chlorine Meter for Drinking Water Application...

Page 2: ...the 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 at www ha...

Page 3: ...PRINCIPLE OF OPERATION FUNCTIONAL DESCRIPTION ERRORS AND WARNINGS GENERAL TIPS FOR AN ACCURATE MEASUREMENT STARTUP MEASUREMENT PROCEDURE VALIDATION PROCEDURE CALIBRATION PROCEDURE GLP BATTERY MANAGEM...

Page 4: ...HI96762 Ion Selective Meter is supplied complete with Sample Cuvettes and Caps 2 pcs CAL CheckTM standard cuvettes 9V Battery Scissors Cloth for wiping cuvettes Instrument Quality Certificate Instruct...

Page 5: ...his makes the instruments fulfill field applications Display messages aid the user in routine operation The meter has an auto shut off feature that will turn off the instrument after 10 minutes of non...

Page 6: ...00 mg L Resolution 0 001 mg L Accuracy 25 C 77 F 0 020 mg L 3 of reading Light Source Tungsten lamp Light Detector Silicon Photocell with narrow band interference filter 525 nm Method Adaptation of th...

Page 7: ...centration of the substance d optical path through the substance Therefore the concentration c can be calculated from the absorbance of the substance as the other factors are known Photometric chemica...

Page 8: ...ment process is carried out in two phases first the meter is zeroed and then the actual measurement is performed The cuvette has a very important role because it is an optical element and thus require...

Page 9: ...e press to confirm factory calibration restore READ TIMER this is a multi functional key In measurement mode press to make a measurement or press and hold for three seconds to start a pre programmed c...

Page 10: ...ation date or restore factory calibration 1 The measuring scheme lamp cuvette detector appears during different phases of zero or reading measurement 2 Error messages and warnings 3 The battery icon i...

Page 11: ...ht to perform a measurement Please check the preparation of the zero cuvette No Light The instrument cannot adjust the light level Please check that the sample does not contain any debris Inverted Cuv...

Page 12: ...ing calibration procedure Standard Low The standard reading is less than expected Standard High The standard reading is higher than expected Cap error Appears when external light enters in the analysi...

Page 13: ...el of the 10 mL mark Proper use of the powder reagent packet a use scissors to open the powder packet b push the edges of the packet to form a spout c pour out the content of the packet It is importan...

Page 14: ...ent After the reading it is important to discard immediately the sample otherwise the glass might become permanently stained All the reaction times reported in this manual are referred to 25 C 77 F In...

Page 15: ...dy The blinking ZERO indicates that the instrument needs to be zeroed first Fill the cuvette with 10 mL of unreacted sample up to the mark and replace the cap Place the cuvette into the cuvette holder...

Page 16: ...der and ensure that the notch on the cap is positioned securely into the groove Press and hold READ TIMER for three seconds The display will show the countdown prior to measurement The beeper is playi...

Page 17: ...L CaCO3 May not be reliably develop the full amout of color or it may rapidly fade negative error To resolve this neutralize the sample with diluted NaOH Hardness in case of water with hardness greate...

Page 18: ...will be obtained Turn the meter on by pressing ON OFF Place the CAL CheckTM Standard HI96762 11 Cuvette A into the cuvette holder and ensure that the notch on the cap is positioned securely into the g...

Page 19: ...se At the end of the measurement the display will show the validation standard value The reading should be within specifications as reported in the CAL CheckTM Standard Certificate If the value is fou...

Page 20: ...on please perform test at room temperature 18 to 25 C 64 5 to 77 0 F Turn the meter on by pressing ON OFF When the beeper sounds briefly and the LCD displays dashes the meter is ready Press and hold C...

Page 21: ...ette holder and ensure that the notch on the cap is positioned securely into the groove Press READ TIMER and the lamp cuvette and detector icons will appear on the display depending on the measurement...

Page 22: ...is automatically increased DATE INPUT or Note If the display shows STD HIGH the standard value was too high If the display shows STD LOW the standard value was too low Verify that both CAL CheckTM Sta...

Page 23: ...h by pressing READ TIMER When the correct month has been set press ZERO CFM or READ TIMER to confirm Now the display will show the day blinking Press ZERO CFM to save the calibration date The instrume...

Page 24: ...isplay LAST CALIBRATION DATE If no calibration was performed the factory calibration message F CAL will appear on the main display and the instrument returns to measurement mode after three seconds FA...

Page 25: ...witched on The blinking ZERO means that a new zero has to be performed One fresh battery lasts for around 750 measurements depending on the light level The remaining battery capacity is evaluated at t...

Page 26: ...h one Insert back the battery cover and turn it clockwise to close BATTERY REPLACEMENT Reagent Set HI95762 01 Reagents for 100 tests HI95762 03 Reagents for 300 tests Other Accessories HI96762 11 CAL...

Page 27: ...arranted for two years against defects in workmanship and materials when used for its intended purpose and maintained according to the instructions This warranty is limited to repair or replacement fr...

Page 28: ...a Instruments Inc Highland Industrial Park 584 Park East Drive Woonsocket RI 02895 USA www hannainst com Local Office Hanna Instruments USA 270 George Washington Highway Smithfield RI 02917 Phone 800...

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