Hanna Instruments HI 96726 - Manual (Page 16)

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• Remove the cuvette.
• Place the CAL CHECK TM Standard
HI 96726-11 Cuvette B into the cuvette
holder and ensure that the notch on the
cap is positioned securely into the groove.
• Press CAL CHECK and the lamp, cuvette
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 cuvettes are free
of fingerprints, oil or dirt and repeat validation. If results are still found out of specifications,
then recalibrate the instrument.