Hanna-instruments HI 96727 User Manual download pdf

1. GLP/ key: press to enter

GLP mode

. In

calibration mode

press to

edit the date and time.

2. CAL CHECK key: press to perform the validation of the meter, or

press and hold for three seconds to enter

calibration mode

3. ZERO/CFM key: press to zero the meter prior to measurement, to

confirm edited values or to confirm factory calibration restore.

4. READ/ 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. In

GLP mode

press to view the next screen.

5. ON/OFF key: to turn the meter on and off.

6. Liquid Crystal Display (LCD)

7. Cuvette alignment indicator

8. Cuvette holder

DISPLAY ELEMENTS DESCRIPTION:

INSTRUCTION MANUAL

HI 96727HI 96727

HI 96727

www.hannainst.com

Preliminary examination:

Please examine this product carefully. Make sure that the instrument is

not damaged. If any damage occured during shipment, please notify

your Dealer.

Each HI 96727 Ion Selective Meter is supplied complete with:

• Two Sample Cuvettes and Caps

• 9V Battery

• Instruction Manual

Note: save all packing material until you are sure that the instrument

works correctly. Any defective item must be returned in its original

packing.

For more details about spare parts and accessories

see “Accessories”.

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 before using the meter. If you need additional technical

information, do not hesitate to e-mail us at [email protected].

Functional description:

Light High: There is too much light to perform

a measurement. Please 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 level. Please check that the sample does

not contain any debris.

Inverted cuvettes: The sample and the zero

cuvette are inverted.

Zero: A zero reading was not taken. Follow the

instructions of the measurement procedure for

zeroing the meter.

Under range: A blinking “0” indicates that

the sample absorbs less light than the zero

reference. Check the procedure and make sure

you use the same cuvette for reference (zero)

and measurement.

Over Range: 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.

Standard Low: The standard reading is less

than expected.

Standard High: The standard reading is higher

than expected.

Errors and warnings:

Measurement procedure:

1• Turn the meter on by pressing ON/OFF.

2• When the beeper sounds briefly and the

LCD displays dashes, the meter is ready.

The blinking “ZERO” indicates that the

instrument needs to be zeroed first.

3• Fill one cuvette up to the 10 mL mark

with deionized water and replace the cap.

This is the blank.

4• Fill another cuvette up to the 10 mL mark

with unfiltered sample and replace the

cap. This is the apparent color.

5• Filter 50 mL of sample through a filter

with a 0.45 µm membrane in a beaker.

6• Fill the third cuvette up to the 10 mL

mark with the filtered sample and replace

the cap. This is the true color.

7• Place the blank into the cuvette holder

and ensure that the notch on the cap is

positioned securely into the groove.

8• Press ZERO/CFM and the lamp, cuvette

and detector icons will appear on the display,

depending on the measurement phase.

9• After a few seconds the display will show

“-0.0-”. The meter is now zeroed and

ready for measurement. Remove the cuvette.

10•Insert the apparent color cuvette into the

instrument and ensure that the notch on

the cap is positioned securely into the

groove.

11•Press READ/ and the lamp, cuvette

and detector icons will appear on the

display, depending on the measurement

phase.

12•The meter directly displays the value of

apparent color.

13•Remove the cuvette, insert the true color

cuvette into the instrument and ensure

that the notch on the cap is positioned

Measurement

1. The measuring scheme (lamp, cuvette, detector), appears during

different phases of zero or reading measurement

2. Error messages and warnings

3. The battery 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 month, day and date icons appear when a date is displayed

8. Four digit main display

9. Measuring units

10. Four digit secondary display

ON ZERO READING:

ON SAMPLE READING:

DURING CALIBRATION PROCEDURE:

OTHER ERRORS AND WARNINGS:

Cooling lamp: The instrument waits for the

lamp to cool down.

Battery low: The battery must be replaced soon.

Dead battery: This indicates that the battery

is dead and must be replaced. Once this

indication is displayed, normal operation of the

instrument will be interrupted. Change the

battery and restart the meter.

Cap error: Appears when external light enters

in the analysis cell. Assure that the cuvette cap

is present.

Color of Water ISM

3-4

10 mL

Technical specifications:

Range 0 to 500 PCU (Platinum Cobalt Units)

Resolution 10 PCU

Accuracy ±10 PCU ±5% of reading @ 25°C

Typical EMC Dev. ±10 PCU

Light Source Lamp and filter @ 420 nm

Light Detector Silicon Photocell

Method Adaptation of the Standard Methods for

the Examination of Water and Wastewater

edition, Colorimetric Platinum Cobalt

method.

Environment 0 to 50°C (32 to 122°F);

max 95% RH non-condensing

Battery Type 1 x 9 volt

Auto-Shut off After 10' of non-use in measurement mode;

after 1 hour of non-use in calibration mode;

with last reading reminder.

Dimensions 192 x 104 x 69 mm (7.6 x 4.1 x 2.7”)

Weight 360 g (12.7 oz.).

1 2

Summary of Contents

Page 1 - Color of Water ISM

1. GLP/ key: press to enter GLP mode. In calibration mode press toedit the date and time.2. CAL CHECK key: press to perform the validation of the met

Page 2 - CALIBRATION

14•Press GLP/ to edit the desired month(01-12). If the key is kept pressed, themonth number is automatically increased.15•When the correct month has

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Hanna-instruments HI 96727 User Manual

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