Hanna-instruments HI 95747C Manual do Utilizador descarregar pdf (Página 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.

ERROR MESSAGES

a) on zero reading

This indicates that the zeroing procedure failed due to a low signal-

to-noise ratio. In this case press ZERO again.

“No Light”: the instrument cannot adjust the light level. Please check

that the sample does not contain any debris.

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

Please check the preparation of the zero cuvet.

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

Please check the preparation of the zero cuvet.

b) on sample reading

There is too much light for the sample measurement. Please check

if the right sample cuvet is inserted.

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

“Zero”: a zero reading was not taken. Follow the instruction in

the measurement procedure for zeroing the meter.

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Hanna-instruments HI 95747C Manual do Utilizador Página 10