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Summary of Contents for Hanna Instruments HI 95711C
- Page 1 Instruction Manual HI 95711C Free & Total Chlorine 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
WARRANTY ........................21 HANNA LITERATURE ......................22 USER NOTES ........................23 All rights are reserved. Reproduction in whole or in part is prohibited without the written consent of the copyright owner, Hanna Instruments Inc., Woonsocket, Rhode Island, 02895 , USA. -
Page 3: Preliminary Examination
HANNA LITERATURE PRELIMINARY EXAMINATION Please examine this product carefully. Make sure that the instrument is not damaged. If any damage Hanna publishes a wide range of catalogs and handbooks for an equally wide range of occured during shipment, please notify your Dealer. applications. -
Page 4: General Description
ABBREVIATIONS If the instrument is to be returned to Hanna Instruments, first obtain a Returned Goods Authorization Number from the Customer Service Department and then send it with shipment costs prepaid. °C: degree Celsius When shipping any instrument, make sure it is properly packaged for complete protection. -
Page 5: Specifications
BATTERY REPLACEMENT SPECIFICATIONS Battery replacement must only take place in a Range Free Cl 0.00 to 5.00 mg/L non-hazardous area. Total Cl 0.00 to 5.00 mg/L Simply slide off the battery cover on the back of Resolution 0.01 mg/L from 0.00 to 3.50 mg/L; 0.10 mg/L above 3.50 mg/L the meter. -
Page 6: Principle Of Operation
PRINCIPLE OF OPERATION FACTORY CALIBRATION RESET It is possible to restore factory calibration: • Enter the calibration mode by holding CAL CHECK Absorption of Light is a typical phenomenon of interaction between electromagnetic radiation and for three seconds. matter. When a light beam crosses a substance, some of the radiation may be absorbed by atoms, molecules or crystal lattices. -
Page 7: Functional Description
• Press READ/TIMER and “SIP” will blink on the A microprocessor controlled special tungsten lamp emits radiation which is first optically conditioned display. and beamed to the sample contained in the cuvet. The optical path is fixed by the diameter of the cuvet. -
Page 8: Calibration Procedure
CALIBRATION PROCEDURE KEYPAD DESCRIPTION • ON/OFF: to turn the meter on and off. Note: It is possible to interrupt calibration procedure at any time by pressing ON/OFF. • ZERO/SET: this is a bi-functional key: press to zero the meter prior to measurement, or hold Warning: do not validate or calibrate the instrument with standard solutions other than the Hanna the key for 3 seconds to select the desired parameter (Free or Total Chlorine). -
Page 9: Guide To Display Codes
VALIDATION PROCEDURE GUIDE TO DISPLAY CODES 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 This prompt appears for 1 second each time the instrument is turned on. - Page 10 • Hold READ/TIMER for three seconds. The display The flashing digits indicate that: will show the countdown prior to measurement. 1) the month can be set 2) the day can be set Alternatively, wait for: Free Chlorine: Total Chlorine: “Storage”: this prompt appears for 1 second at the end of the 1 minute 2 minutes and 30 seconds calibration procedure, to indicate that the calibration data has...
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Page 11: General Tips For An Accurate Measurement
MEASUREMENT PROCEDURE Under range. A blinking "0.00" indicates that the sample absorbs less light than the zero reference. Check the procedure and make sure you use the same cuvet for reference (zero) and measurement. • Select the parameter code for free chlorine “701” A flashing value of the maximum concentration indicates an ot total chlorine “711”... -
Page 12: Operational Guide
OPERATIONAL GUIDE • It is important that the sample does not contain any debris. This would corrupt the reading. • Each time the cuvet is used, the cap must be • Turn the meter on by pressing ON/OFF. tightened to the same degree. •...
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