18
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.
•
Turn the meter on by pressing
ON/OFF
.
• When the beeper sounds briefly and the LCD displays dashes, the meter is ready.
• Place the
CAL Check
TM
Standard
HI96708‑11
Cuvette A into the cuvette holder and ensure
that the notch on the cap is positioned securely into the groove.
• Press
ZERO/CFM
and the lamp, cuvette and detector icons will appear on the display, depending
on the measurement phase.
VALID
ATION PROCEDURE