Hanna Instruments HI 95734C Instruction Manual Download Page 10

10

The flashing digits indicate that:

1) the month can be set
2) the day can be set

“Storage”: this prompt appears for 1 second at the end of the

calibration procedure

, to indicate that the calibration data has

been stored.

“Error”: the concentration of the calibration solution used is not
correct. Repeat the calibration procedure with the right standard
solution, and verify it is not expired. If the calibration procedure
fails again, contact your dealer or the nearest Hanna Customer

Service Center.

The blinking "BAT" indicates that the battery voltage is getting low
and the battery needs to be replaced.

This indicates that the battery is dead and must be replaced. Once
this indication is displayed, the meter will lock up. Change the
battery and restart.

“Configuration”: this indicates that the meter has lost its
configuration. Contact your dealer or the nearest Hanna Customer
Service Center.

CALIBRATION MODE  MESSAGES

The date of the last calibration appears on the LCD each time the

calibration mode

 is entered. If calibration is performed for the first

time, “F.CAL” appears.

This indicates that the factory calibration is selected.

15

• Select the parameter code for free chlorine

“734f” or total chlorine “734t” by holding
ZERO/SET (see page 14).

• Add to the cuvet 5 mL of HI 93734B-0 reagent

by means of the 5 mL syringe.

Note

: in order to measure exactly 5 mL of

reagent with the syringe, follow the instructions
on page 12.

• Fill the cuvet up to the 10 mL mark with 5 mL

of unreacted sample, using the 3 mL plastic

pipette.

Note

: rinse the 3 mL plastic pipette several

times with sample before adding it to the cuvet.

• Replace the cap and shake gently for some

seconds.

• Place the cuvet into the holder and ensure that

the notch on the cap is positioned securely into
the groove.

• Press ZERO/SET and “SIP” will blink on the

display.

• After a few seconds the display will show

“-0.0-”. The meter is now zeroed and ready for
measurement.

• Remove the cuvet.

MEASUREMENT PROCEDURE

Summary of Contents for HI 95734C

Page 1: ...Instruction Manual HI 95734C Free Total Chlorine High Range ISM w w w h a n n a i n s t c o m This Instrument is in Compliance with the CE Directives 24 MAN95734R3 07 06 w w w h a n n a i n s t c o m...

Page 2: ...RE 18 ACCESSORIES 20 BATTERY REPLACEMENT 21 DECLARATION OF CONFORMITY 21 WARRANTY 22 HANNA LITERATURE 22 USER NOTES 23 Dear Customer Thank you for choosing a Hanna product This manual will provide you...

Page 3: ...ooks and leaflets contact your dealer or the Hanna Customer Service Center nearest to you To find the Hanna Office in your vicinity check our home page at www hannainst com HI 95734 is warranted for t...

Page 4: ...glass to obtain best results The HI 95734 meter measures the free and total chlorine Cl2 content in water samples in the 0 00 to 10 00 mg L ppm range The method is an adaption of the USEPA METHOD 330...

Page 5: ...result to the true value Although good precision suggests good accuracy precise results can be inaccurate The figure explains these definitions In a laboratory using a standard solution of 3 00 mg L...

Page 6: ...of Hanna s HI 95 series colorimeters is based on special subminiature tungsten lamps and narrow band interference filters to guarantee both high performance and reliable results Block diagram optical...

Page 7: ...ot to touch the cuvet walls with hands Furthermore in order to maintain the same conditions during the zeroing and the measuring phases it is necessary to close the cuvet to prevent any contamination...

Page 8: ...holder and ensure that the notch on the cap is positioned securely into the groove Press ZERO and SIP will blink on the display After a few seconds the display will show 0 0 The meter is now zeroed a...

Page 9: ...3734C 0 reagent to the cuvet For both free and total chlorine add the content of one packet of HI 93701 0 Free Chlorine reagent Replace the cap and shake gently for 20 seconds or 2 minutes in case of...

Page 10: ...ervice Center CALIBRATION MODE MESSAGES The date of the last calibration appears on the LCD each time the calibration mode is entered If calibration is performed for the first time F CAL appears This...

Page 11: ...surement A flashing value of the maximum concentration indicates an over range condition The concentration of the sample is beyond the programmed range dilute the sample and re run the test A flashing...

Page 12: ...lint free cloth prior to insertion GENERAL TIPS FOR AN ACCURATE MEASUREMENT a b c 13 Proper use of the dropper a to get good reproducible results tap the dropper on the table for several times and wip...

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