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Summary of Contents for Hanna Instruments HI 95734C
- Page 1 Instruction Manual HI 95734C Free & Total Chlorine High Range ISM This Instrument is in w w w . h a n n a i n s t . c o m Compliance with the CE Directives...
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Page 2: Table Of Contents
All rights are reserved. Reproduction in whole or in part is prohibited without the written consent HANNA instruments® products without advance notice. of the copyright owner, Hanna Instruments Inc., Woonsocket, Rhode Island, 02895 , USA. -
Page 3: Preliminary Examination
• Two CAL CHECK™ Cuvets (HI 95734-11) with Quality Certificate If the instrument is to be returned to Hanna Instruments, first obtain a Returned Goods Authorization • Tissue for wiping cuvets Number from the Customer Service Department and then send it with shipment costs prepaid. -
Page 4: General Description
GENERAL DESCRIPTION BATTERY REPLACEMENT Battery replacement must only take place in a non- The HI 95734 is an auto diagnostic portable microprocessor meter that benefits from Hanna’s hazardous area. years of experience as a manufacturer of analytical instruments. It has the advanced optical system Simply slide off the battery cover on the back of the based on a special tungsten lamp and a narrow band interference filter that allows most accurate meter. -
Page 5: Specifications
SPECIFICATIONS FACTORY CALIBRATION RESET It is possible to restore factory calibration: Range Free Cl 0.00 to 10.00 mg/L • Enter the calibration mode by holding CAL CHECK Total Cl 0.00 to 10.00 mg/L for three seconds. Resolution 0.01 mg/L from 0.00 to 3.50 mg/L; 0.10 mg/L above 3.50 mg/L Precision ±0.06 mg/L @ 3.00 mg/L •... -
Page 6: Principle Of Operation
PRINCIPLE OF OPERATION • Press READ/TIMER and “SIP” will blink during measurement. Absorption of Light is a typical phenomenon of interaction between electromagnetic radiation and matter. When a light beam crosses a substance, some of the radiation may be absorbed by atoms, •... - Page 7 CALIBRATION PROCEDURE A microprocessor controlled special tungsten lamp emits radiation which is first optically conditioned and beamed to the sample contained in the cuvet. The optical path is fixed by the diameter of the Note: it is possible to interrupt calibration procedure at any time by pressing ON/OFF. cuvet.
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Page 8: Functional Description
FUNCTIONAL DESCRIPTION VALIDATION PROCEDURE Use the validation procedure to ensure that the instrument is properly calibrated. Warning: do not validate or calibrate the instrument with standard solutions other than the Hanna CAL CHECK™ Standards, otherwise erroneous results will be obtained. 1) Liquid Crystal Display (LCD) For accurate Validation and Calibration results, please perform test at room temperature: 18 to 25°C 2) Cuvet Holder... -
Page 9: Guide To Display Codes
for Total • Only in the case of total chlorine measurement, Chlorine DISPLAY ELEMENTS DESCRIPTION add 3 drops of HI 93734C-0 reagent to the only cuvet. • For both free and total chlorine, add the content of one packet of HI 93701-0 Free Chlorine reagent. - Page 10 MEASUREMENT PROCEDURE The blinking "BAT" indicates that the battery voltage is getting low and the battery needs to be replaced. • Select the parameter code for free chlorine This indicates that the battery is dead and must be replaced. Once “734f”...
- Page 11 OPERATIONAL GUIDE ERROR MESSAGES a) on zero reading • Turn the meter on by pressing ON/OFF. This indicates that the zeroing procedure failed due to a low signal-to- noise ratio. In this case press ZERO again. “No Light”: the instrument cannot adjust the light level. Please check •...
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Page 12: General Tips For An Accurate Measurement
GENERAL TIPS FOR AN ACCURATE MEASUREMENT • Proper use of the dropper: (a) to get good reproducible results, tap the dropper on the table for several times and wipe the outside of the dropper tip with a cloth. The instructions listed below should be carefully followed during testing to ensure best accuracy. (b) always keep the dropper bottle in a vertical position while dosing the reagent.
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