Hanna Instruments HI 96770C Instruction Manual Download Page 20 | Manualshive

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Hanna Instruments HI 96770C Instruction Manual Download Page 20

2 0

• Press

READ /TIMER

to enter in the

factory calibration restore screen. The
instrument asks for confirmation before
deleting the last calibration.

• Press

ZERO/CFM

to restore the factory

calibration or press

GLP/

again to abort

factory calibration restore.

In the GLP mode, the last user calibration date can be consulted and the factory calibration can
be restored.

To display the calibration date:
• Press

GLP/

to enter

GLP mode

. The

calibration month and day will appear on
the main display and the year on the
secondary display.

LAST CALIBRATION DATE

• If no calibration was performed, the

factory calibration message,

“F.CAL”

will

appear on the main display and the
instrument returns to

measurement mode

after three seconds.

FACTORY CALIBRATION RESET

It is possible to restore the factory calibration.

• Press

GLP/

to enter

GLP mode

.

GLP

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Summary of Contents for HI 96770C

Page 1: ...1 w w w h a n n a i n s t c o m This Instrument is in Compliance with the Directives Instruction Manual HI 96770C Silica High Range ISM...

Page 2: ...ESSORIES 22 WARRANTY 23 Dear Customer Thank you for choosing a HANNA product This manual will provide you with the necessary information for the correct use of the instrument Please read it carefully...

Page 3: ...h Two Sample Cuvets and Caps Two CAL CHECK standard cuvets HI 96770 11 with Quality Certificate 9V Battery Scissors Tissues for wiping cuvets Instrument Quality Certificate Instruction Manual and Quic...

Page 4: ...The instrument is splash waterproof and the LED and filter units are protected from dust or dirt by a transparent cup This makes the instruments fulfill field applications Display messages aid the use...

Page 5: ...er Dimensions 192 x 102 x 67 mm 7 6 x 4 x 2 6 Weight 290 g 10 oz REQUIRED REAGENTS Code Description Quantity test HI 96770A 0 Silica HR Reagent A 1 packet HI 96770B 0 Silica HR Reagent B 1 packet HI 9...

Page 6: ...lar concentration of the substance d optical path through the substance Therefore the concentration c can be calculated from the absorbance of the substance as the other factors are known Photometric...

Page 7: ...measuring unit and to display it on the LCD The measurement process is carried out in two phases first the meter is zeroed and then the actual measurement is performed The cuvet has a very important...

Page 8: ...ation and measurement Calibration mode may be entered by keeping CAL CHECK pressed for three seconds the CAL tag appears it enables calibration of the instrument GLP mode may be entered by pressing GL...

Page 9: ...ht Low There is not enough light to perform a measurement Please check the preparation of the zero cuvet No Light The instrument cannot adjust the light level Please check that the samples does not co...

Page 10: ...ing is out of range Cap error the cuvet is not inserted correctly and an excess ambient light is reaching the detector If the cover is properly installed then contact your dealer or the nearest Hanna...

Page 11: ...be dry outside and completely free of fingerprints oil or dirt Wipe it thoroughly with HI 731318 or a lint free cloth prior to insertion Shaking the cuvet can generate bubbles in the sample causing hi...

Page 12: ...ing ON OFF and follow instruction manual to perform either the MEASUREMENT VALIDATION or CALIBRATION PROCEDURE When the beeper sounds and the LCD displays dashes the meter is ready The blinking ZERO i...

Page 13: ...tion Remove the cap and add the content of one packet of HI 96770B 0 Silica HR reagent B Replace the cap and shake vigorously vigorously vigorously vigorously vigorously until complete dissolution unt...

Page 14: ...t the notch on the cap is positioned securely into the groove Wait for 2 minutes and then press READ READ READ READ READ TIMER TIMER TIMER TIMER TIMER The instrument status indicator will appear depen...

Page 15: ...eter is ready INTERFERENCES Iron Fe2 and Fe3 interferes at high levels Sulfide S2 interferes at high levels Phosphates does not interfere up to 50 mg L PO4 3 VALIDATION PROCEDURE Use the validation pr...

Page 16: ...nd the instrument status indicator together with CAL CHECK will appear on the display depending on the measurement phase The display will show the validation standard value The reading should be withi...

Page 17: ...st at room temperature 18 to 25 C 64 5 to 77 0 F Turn the meter on by pressing ON OFF When the beeper sounds and the LCD displays dashes the meter is ready Enter the calibration mode by holding CAL CH...

Page 18: ...hase After measurement the instrument will show for three seconds the Cal Check Standard value Note If the display shows STD HIGH the standard value was too high If the display shows STD LOW the stand...

Page 19: ...s been set press ZERO CFM or READ TIMER to confirm Nowthedisplaywillshowthemonthblinking Press GLP to edit the desired month 01 12 If the key is kept pressed the month number is automatically increase...

Page 20: ...sulted and the factory calibration can be restored To display the calibration date Press GLP to enter GLP mode The calibration month and day will appear on the main display and the year on the seconda...

Page 21: ...One fresh battery lasts for around 750 measurements depending on the light level The remaining battery capacity is evaluated at the instrument startup and after each measurement The instrument display...

Page 22: ...battery follow the steps REAGENT SET REAGENT SET REAGENT SET REAGENT SET REAGENT SET HI96770 01 Reagents for 100 SILICA HIGH RANGE tests HI96770 03 Reagents for 300 SILICA HIGH RANGE tests OTHER ACCE...

Page 23: ...intained 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 se...

Page 24: ...2 4 MAN96770CR1 01 07 w w w h a n n a i n s t c o m...

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