Hanna Instruments HI 95771C - Manual

Page 3 - Ion Selective Meter is supplied complete with:; PRELIMINARY EXAMINATION; CE DECLARATION OF CONFORMITY; products without advance notice.

3 Please examine this product carefully. Make sure that the instrument is not damaged. If any damageoccured during shipment, please notify your Dealer.Each HI 95771 Ion Selective Meter is supplied complete with: • Two Sample Cuvets and Caps• 9V Battery• Scissors• Two CAL CHECK™ Cuvets (HI 95771-11) ...

Page 4 - ABBREVIATIONS; BATTERY REPLACEMENT; FACTORY CALIBRATION RESET; ACCESSORIES; or

4 The HI 95771 is an auto diagnostic portable microprocessor meter that benefits from Hanna’s years of experience as a manufacturer of analytical instruments. It has the advanced opticalsystem based on a special tungsten lamp and a narrow band interference filter that allows mostaccurate and repeata...

Page 5 - SPECIFICATIONS; day

5 for 771 Chlorine ULTRA HIGH RANGE Range 0 to 500 mg/L Resolution 1 mg/L from 0 to 200 mg/L; 10 mg/L above 200 mg/L Precision ±2 mg/L @ 100 mg/L Typical EMC Deviation ±1 mg/L for 701 Chlorine LOW RANGE Range 0.00 to 5.00 mg/L Resolution 0.01 mg/L from 0.00 to 3.50 mg/L; 0.10 mg/L above 3.50 mg/L Pr...

Page 6 - Note; CALIBRATION PROCEDURE

6 PRINCIPLE OF OPERATION Precision is how closely repeated measurements agree with each other. Precisionis usually expressed as standard deviation (SD).Accuracy is defined as the nearness of a testresult to the true value.Although good precision suggests goodaccuracy, precise results can be inaccura...

Page 8 - FUNCTIONAL DESCRIPTION; calibration mode; VALIDATION PROCEDURE; INTERFERENCES

8 1) Liquid Crystal Display2) Cuvet Holder3) Cuvet alignment indicator4) ON/OFF key5) ZERO/SET key6) READ/TIMER key7) CAL CHECK key FUNCTIONAL DESCRIPTION KEYPAD DESCRIPTION• ON/OFF: to turn the meter on and off.• ZERO/SET: this is a bi-functional key: press to zero the meter prior to measurement, o...

Page 9 - Warning

9 DISPLAY ELEMENTS DESCRIPTION 1) four digit main display area.2) CAL: appears when the instrument operates in the calibration mode. 3) the Month and Day icons appear above the number of month and day when a date is displayed. 4) the blinking “Battery” icon appears when the battery voltage is gettin...

Page 11 - MEASUREMENT PROCEDURE; MEASUREMENT PROCEDURE FOR 771

11 ERROR MESSAGES a) on zero reading 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 that the sample does not contain any debris. “Light Low”: there is not enoug...

Page 12 - GENERAL TIPS FOR AN ACCURATE MEASUREMENT; validation procedure; OPERATIONAL GUIDE; Important Note

12 The instructions listed below should be carefully followed during testing to ensure best accuracy. • For a correct filling of the cuvet: the liquid in the cuvet forms a convexity on the top; the bottom ofthis convexity must be at the same level of the 10 mL mark. • Proper use of the powder reagen...

Hanna Instruments HI 95771C - Manual

Table of Contents:

Summary

Other Hanna Instruments Models