Hanna Instruments HI96711C Instruction Manual Download Page 15 | Manualshive

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Hanna Instruments HI96711C Instruction Manual Download Page 15

15

• Press

RANGE/GLP

to change the range.

The range can be changed any time when the instrument is in measurement mode.
The selected range is memorized and the selection remaines unchanged at power off or when the

battery is removed.

The

HI96711

can measure Free chlorine when range P1 is selected or Total chlorine when range

P2 is selected. To change the active range follow the procedure:
• Turn the meter on by pressing

ON/OFF

. The display briefly shows all tags on.

• After startup, the range identification number is displayed on the secondary LCD as P1 or P2.

Prepare the instrument for measurement as follows:
• Unpack the instrument by removing the dust protection sleeve from the instrument cuvette

holder.

•  Place the battery in the instrument as described in the “BATTERY REPLACEMENT” chapter.
•  Place the instrument on a flat table.
•  Do not place the instrument under direct sun light.

ST

ARTUP

RANGE SELECTION

Code

Parameter

P1

Free Chlorine

P2

Total Chlorine

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Summary of Contents for HI96711C

Page 1: ...INSTRUCTION MANUAL HI96711C Free and Total Chlorine ISM...

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: ...OF OPERATION FUNCTIONAL DESCRIPTION ERRORS AND WARNINGS GENERAL TIPS FOR AN ACCURATE MEASUREMENT STARTUP RANGE SELECTION MEASUREMENT PROCEDURE VALIDATION PROCEDURE CALIBRATION PROCEDURE GLP BATTERY M...

Page 4: ...Meter is supplied complete with Sample Cuvettes and Caps 2 pcs CAL Check standard cuvettes 9V Battery Scissors Cloth for wiping cuvettes Instruction Manual and Quick Reference Guide Instrument Quality...

Page 5: ...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 use in measurement mode or after 1 hou...

Page 6: ...330 5 and Standard Method 4500 Cl G The reaction between chlorine and the DPD reagent cause a pink tint in the sample Environment 0 to 50 C 32 to 122 F max 95 RH non condensing Battery Type 9V 1 pc Au...

Page 7: ...on between electromagnetic radiation and matter When a light beam crosses a substance some of the radiation may be absorbed by atoms molecules or crystal lattices If pure absorption occurs the fractio...

Page 8: ...optically identical to provide the same measurement conditions Whenever possible use the same cuvette for both It is necessary that the surface of the cuvette is clean and not scratched This to avoid...

Page 9: ...In GLP mode press to view the next screen CAL CHECK this is a bi functional key Just press to perform the validation of the meter or press and hold for three seconds to enter calibration mode RANGE G...

Page 10: ...attery icon indicates the charge state of the battery 4 The hourglass appears when an internal check is in progress 5 Status messages 6 The chronometer appears when the reaction timer is running 7 The...

Page 11: ...check the preparation of the zero cuvette Light Low There is not enough light to perform a measurement Please check the preparation of the zero cuvette No Light The instrument cannot adjust the light...

Page 12: ...ge condition The concentration of the sample is beyond the programmed range dilute the sample and re run the test c during calibration procedure Standard Low The standard reading is less than expected...

Page 13: ...the bottom of this concavity must be at the same level 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...

Page 14: ...too long after reagent is added or accuracy will be lost It is possible to take multiple readings in a row but it is recommended to take a new zero reading for each sample and to use the same cuvette...

Page 15: ...he procedure Turn the meter on by pressing ON OFF The display briefly shows all tags on After startup the range identification number is displayed on the secondary LCD as P1 or P2 Prepare the instrume...

Page 16: ...unreacted samples if both values are requested MEASUREMENT PROCEDURE FREE CHLORINE MEASUREMENT Fill the cuvette up to the 10 mL mark with unreacted sample and replace the cap Place the cuvette into th...

Page 17: ...y will show the countdown prior to measurement The beeper is playing a beep at the end of countdown period Remove the cuvette Add the content of one packet of HI93701 0 reagent Replace the cap and sha...

Page 18: ...resolve this neutralize the sample with diluted HCl or NaOH In case of water with hardness greater than 500 mg L CaCO3 shake the sample for approximately 2 minutes after adding the reagent The instrum...

Page 19: ...seconds the display will show 0 0 The meter is now zeroed and ready for measurement Remove the cuvette and add one packet of HI93711 0 reagent Replace the cap and shake gently for 20 seconds MEASUREME...

Page 20: ...displays concentration in mg L of total chlorine on the Liquid Crystal Display MEASUREMENT PROCEDURE INTERFERENCES Interference may be caused by Bromine Iodine Chlorine Dioxide Ozone Oxidized Manganes...

Page 21: ...meter For full validation of the instrument the following procedure must be performed for each parameter VALIDATION PROCEDURE Turn the meter on by pressing ON OFF When the beeper sounds briefly and th...

Page 22: ...URE The reading should be within specifications as reported in the CAL CheckTM Standard Certificate If the value is found out of the specifications please check that the cuvettes are free of fingerpri...

Page 23: ...range is affected Turn the meter on by pressing ON OFF When the beeper sounds briefly and the LCD displays dashes the meter is ready To change the range simply press RANGE GLP Press and hold CAL CHEC...

Page 24: ...blinking READ asks for reading calibration standard CALIBRATION PROCEDURE Remove the cuvette Place the specific CAL CheckTM Standard Cuvette B into the cuvette holder for Free Chlorine B HI96701 11 or...

Page 25: ...e free of fingerprints or dirt and that they are inserted correctly Then the date of the last calibration e g 01 08 2009 appears on the display or 01 01 2009 if the factory calibration was selected be...

Page 26: ...m Now the display will show the day blinking Press RANGE GLP to edit the desired day 01 31 If the key is kept pressed the day number is automatically increased Note It is possible to change the editin...

Page 27: ...r on the main display and the instrument returns to measurement mode after three seconds It is possible to delete the calibration and restore factory calibration Press and hold for three seconds RANGE...

Page 28: ...displayed before auto shut off the value is displayed when the instrument is switched on The blinking ZERO means that a new zero has to be performed One fresh battery lasts for around 750 measurement...

Page 29: ...the instrument upside down and remove the battery cover by turning it counterclockwise Extract the battery from its location and replace it with a fresh one Insert back the battery cover and turn it c...

Page 30: ...l chlorine tests Other Accessories HI96701 11 CAL CheckTM Standard Cuvettes for Free Chlorine 1 set HI96711 11 CAL CheckTM Standard Cuvettes for Total Chlorine 1 set HI740029P 9V battery 10 pcs HI7313...

Page 31: ...ited to repair or replacement free of charge Damages due to accident misuse tampering or lack of prescribed maintenance are not covered If service is required contact your local Hanna Instruments Offi...

Page 32: ...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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