Calibration procedure – Hanna Instruments HI 96726 User Manual
Page 17
17
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.
• Turn the meter on by pressing ON/OFF.
• When the beeper sounds briefly and the
LCD displays dashes, the meter is ready.
• Press and hold CAL CHECK
for three
seconds to
enter
calibration mode
. The
display will show “CAL” during
calibration procedure. The blinking
“ZERO”
asks for instrument zeroing.
• Place the CAL CHECK
TM
Standard
HI 96726-11
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.