Hanna-instruments HI 96721C Manuel d'utilisateur télécharger pdf (Page 9)

ERRORS AND WARNINGS

The instrument shows clear messages when erroneous condition appears. Messages are also displayed

when the obtained values are outside expected range. The beeper is playing a beep on errors.

a) on zero reading

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.

b) on sample reading

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Hanna-instruments HI 96721C Manuel d'utilisateur Page 9