18
VALIDATION PROCEDURE
• Turn the meter on by pressing ON/OFF.
• Press ZERO/CFM and the lamp, cuvette and detector icons will appear on the display, depending
on the measurement phase.
• Place the CAL Check
TM
Standard HI96751‑11 Cuvette A into the cuvette holder and ensure that
the notch on the cap is positioned securely into the groove.
• When the beeper sounds briefly and the LCD displays dashes, the meter is ready. The blinking
“ZERO” asks for instrument zeroing.
Use the validation procedure to ensure that the instrument is properly calibrated.
Warning: Do not validate the instrument with any standard solutions other than the Hanna Instruments
CAL Check
TM
Standards, otherwise erroneous results will be obtained.
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