Hanna Instruments HI96725C Instruction Manual Download Page 15 | Manualshive

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Hanna Instruments HI96725C 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 remains unchanged at power off or when the

battery is removed.

The

HI96725

can measure Free Chlorine when range P1 is selected, Total Chlorine when range

P2 is selected, Cyanuric Acid when P3 is selected or pH when P4 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 shown on the secondary display as P1, P2, P3

or P4.

RANGE SELECTION

Code

Parameter

P1

Free Chlorine

P2

Total Chlorine

P3

Cyanuric Acid

P4

pH

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Summary of Contents for HI96725C

Page 1: ...1 INSTRUCTION MANUAL HI96725C Chlorine Cyanuric Acid pH 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: ...tive Meter is supplied complete with Sample Cuvettes and Caps 2 pcs CAL CheckTM Standard Cuvettes 5 pcs 9V Battery Scissors Cloth for wiping cuvettes Instruction Manual and Quick Reference Guide Quali...

Page 5: ...will turn off the instrument after 10 minutes of non use in measurement mode or after 1 hour if left in calibration mode The meter uses an exclusive positive locking system to ensure that the cuvette...

Page 6: ...t in the sample For Cyanuric Acid Adaptation of the turbidimetric method The reaction between cyanuric acid and the reagent causes a white suspension in the sample For pH Phenol red method The reactio...

Page 7: ...ent light beam I intensity of light beam after absorption molar extinction coefficient at wavelength c molar concentration of the substance d optical path through the substance Precision is how closel...

Page 8: ...ions 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 measurement interference due to unwanted reflection and ab...

Page 9: ...ibration 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 countdown prior to measurement...

Page 10: ...unning 7 The month day and date icons appear when a date is displayed 8 Four digit main display 9 Measuring units 10 Four digit secondary display OPERATING MODES Measurement mode default operation mod...

Page 11: ...urement 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 cuvettes The sample and...

Page 12: ...ge dilute the sample and re run the test c during calibration procedure Standard Low The standard reading is less than expected Standard High The standard reading is higher than expected Cap error App...

Page 13: ...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 Dead battery This indicates that the battery i...

Page 14: ...ausing higher readings To obtain accurate measurements remove such bubbles by swirling or by gently tapping the cuvette Do not let the reacted sample stand too long after reagent is added or accuracy...

Page 15: ...Free Chlorine when range P1 is selected Total Chlorine when range P2 is selected Cyanuric Acid when P3 is selected or pH when P4 is selected To change the active range follow the procedure Turn the m...

Page 16: ...quested Turn the meter on by pressing ON OFF The display briefly shows all tags on When the beeper sounds briefly and the LCD displays dashes the meter is ready The blinking ZERO indicates that the in...

Page 17: ...packet of HI93701 0 Replace the cap and shake gently for 20 seconds Total Chlorine 1 packet of HI93711 0 Replace the cap and shake gently for 20 seconds Cyanuric Acid Fill a beaker with 25 mL of sampl...

Page 18: ...To 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 powder reagent A...

Page 19: ...following procedure must be performed for each parameter Turn the meter on by pressing ON OFF When the beeper sounds briefly and the LCD displays dashes the meter is ready Place the CAL CheckTM Stand...

Page 20: ...t Remove the cuvette Place the specific CAL CheckTM Standard Cuvette B into the cuvette holder for Free Chlorine B HI96701 11 Total Chlorine B HI96711 11 Cyanuric Acid B HI96722 11 pH B HI96710 11 Ens...

Page 21: ...he beeper sounds briefly and the LCD displays dashes the meter is ready To change the range simply press RANGE GLP Press and hold CAL CHECK for three seconds to enter calibration mode The display will...

Page 22: ...depending on the measurement phase After measurement the instrument will show for three seconds the CAL CheckTM Standard value Note If the display shows STD HIGH the standard value was too high If the...

Page 23: ...as been set press ZERO CFM or READ TIMER to confirm 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...

Page 24: ...s to measurement mode after three seconds In GLP mode the last user calibration date can be verified and the factory calibration can be restored LAST CALIBRATION DATE FACTORY CALIBRATION RESTORE It is...

Page 25: ...cator with three levels as follows 3 lines for 100 capacity 2 lines for 66 capacity 1 line for 33 capacity Battery icon blinking if the capacity is under 10 If the battery is empty and accurate measur...

Page 26: ...pH tests HI93711 01 Reagents for 100 Total Chlorine tests HI93711 03 Reagents for 300 Total Chlorine tests HI93722 01 Reagents for 100 Cyanuric acid tests HI93722 03 Reagents for 300 Cyanuric acid te...

Page 27: ...ed according to the instructions This warranty is limited to repair or replacement free of charge Damages due to accident misuse tampering or lack of prescribed maintenance are not covered If service...

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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