Hanna Instruments hi 96770c User Manual
9
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.
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 cuvet.
Please check the preparation of the zero cuvet.
Light Low: There is not enough light to perform a measurement.
Please check the preparation of the zero cuvet.
Please check the preparation of the zero cuvet.
No Light: The instrument cannot adjust the light level. Please check
that the samples does not contain any debris.
that the samples does not contain any debris.
Inverted cuvets: The sample and the zero cuvet are inverted.
Zero: A zero reading was not taken. Follow the instructions of
the measurement procedure for zeroing the meter.
the measurement procedure for zeroing the meter.
b) on sample reading
ERRORS AND WARNINGS
Under range: A blinking “0” indicates that the silica content in the
sample is less than 0 mg/L.
sample is less than 0 mg/L.