Hanna-instruments HI 83742 Manual de usuario descargar pdf (Pagina 10)

ERROR MESSAGES

The meter has lost its configuration. Contact your dealer or the nearest

Hanna Customer Service Center.

“Light high”: there is too much light to perform a measurement.

Please check the preparation of the zero cuvet.

“Light low”: there is not enough light to perform a measurement.

Contact your dealer or the nearest Hanna Customer Service Center.

“No Light”: the instrument cannot adjust the light level. Contact your

dealer or the nearest Hanna Customer Service Center.

a) on zero reading:a) on zero reading:

a) on zero reading:

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 measure again.

The sample absorbs less light than the zero reference. Check the pro-

cedure and make sure you use the same cuvet for reference (zero)

and measurement.

“Inverted”: the sample and the zero cuvet are inverted.

b) on sample reading:b) on sample reading:

b) on sample reading:

Indicates that the batteries are dead and must be replaced. After this

message appears, the instrument is switched off. Change the batteries

and restart the meter.

• After a few seconds the display will show “-0.0-”.

The meter is now zeroed and ready for measurement.

• Remove the cuvet from the instrument.

• Insert the sample (cuvet #2) into the holder and

close the lid.

(Sample)

• Press READ/TIMER and “----” will blink during

measurement.

• The instrument directly displays the color hue on the

Liquid Crystal Display.

• Fill an empty cuvet with deionized water and replace

the cap. This is the

zerozero

zero.

(Zero)

• Insert the zero cuvet into the holder and close the lid.

• Press ZERO and “----” will blink on the display.

INTERFERENCES

Suspended matter should be removed by centrifugation or prior filtration. Use an adequate filter

material that does not absorb color.

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Hanna-instruments HI 83742 Manual de usuario Pagina 10

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