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• After a few seconds, the display will show
“-0.0-”. The meter is now zeroed and ready for
validation.
• Remove the cuvet.
• Place the CAL CHECK™ Standard HI 96770-11
Cuvet B into the cuvet holder and ensure that
the notch on the cap is positioned securely
into the groove.
• Press CAL CHECK and the instrument status
indicator together with “CAL CHECK” will appear
on the display, depending on the measurement
phase.
• The display will show the validation standard
value. The reading should be within specifications
as reported in the CAL CHECK™ Standard
Certificate. If the value is found out of
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.