Errors and warnings – Hanna Instruments HI 96765 User Manual
Page 8
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8
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 calibration
Light High:
There is too much light to perform a measurement.
Light Low:
There is not enough light to perform a measurement.
No Light:
The instrument cannot adjust the light level. Please
check that the tube holder does not contain any debris.
Cal:
Calibration was not performed. Follow the instructions of
the measurement procedure for calibrating the meter.
b) on sample reading
Under range:
A blinking “0.0” indicates that the sample
absorbs less light than the zero reference.
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