Measurement
40
Calibration menu
The Calibration menu is used to perform the zero calibration and span calibration of the
turbidity detector.
As a rule of thumb, zero calibration and span calibration should be performed once a month.
Q
Entering the calibration menu
Calibration can be performed by one of two methods: hold down the CAL key during
measurement, or select the Calibration menu in the Hold mode.
This part explains the way to select the Calibration menu in the Hold mode.
1.
In the Meas. mode, hold down the HOLD key until the HOLD indicator lights up.
2.
Press the
▲
/
▼
key to display "CAL" on the display part for the measured value.
3.
Press the ENT key.
4.
Press the
▲
/
▼
key to display a desired item on the auxiliary display.
5.
Press the ENT key.
Cal menu
Display of
various
calibration
Establishes
the value
Cancels
the value
Coefficient
adjustment
Hold down the ESC key
or HLD key to return to
Meas. mode.
Hold down the HOLD
key to go to the Hold
mode.
Hold mode
Meas. mode
or
