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• To change the range, simply press
RANGE/GLP/ .
• Place the CAL CHECK
TM
Standard
HI 95771-11Cuvet B into the cuvet
holder and ensure that the notch on the
cap is positioned securely into the groove.
• Press CAL CHECK
TM
and the lamp, cuvet
and detector icons together with “CAL
CHECK” will appear on the display,
depending on the measurement phase.
• At the end of the measurement the display
will show the validation standard value.
The reading should be within specifications as reported in the CAL CHECK
TM
Standard
Certificate. If the value is found out of the specifications, please check that the cuvets are free
of fingerprints, oil or dirt and repeat validation. If results are still found out of specifications,
then recalibrate the instrument.
CALIBRATION PROCEDURE
Note: It is possible to interrupt calibration procedure at any time by pressing CAL CHECK or
ON/OFF keys.
Warning: Do not calibrate the instrument with standard solutions other than the HANNA CAL
CHECK
TM
Standards, otherwise erroneous results will be obtained. For accurate calibration, please
perform test at room temperature: 18 to 25°C (64.5 to 77.0°F)
When calibrating, only the selected range is affected.
• Turn the meter on by pressing ON/OFF.
• Remove the cuvet.
• When the beeper sounds briefly and the
LCD displays dashes, the meter is ready.
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