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Calib
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1 point humidity calibration
When the working range is limited to a certain more narrow range, a calibration at
1 humidity point is sufficient.
This calibration causes an extra inaccuracy for the rest of the working range.
Procedure for 1 point humidity calibration:
1. Insert the sensor probe into the reference chamber 1 (humidity calibration point) and
stabilise for minimum 30 min.
2. PUSHBUTTON Up (calibration point > 50% RH): Pressing the button for 3 seconds
starts the procedure for the low calibration point. The calibration mode is indicated by the
lit LED "Calib".
or
PUSHBUTTON Down (calibration point < 50% RH): Pressing the button for 3 seconds
starts the procedure for the low calibration point. The calibration mode is indicated by the
lit LED "Calib".
3. PUSHBUTTON Up and Down: Pressing one of the two buttons will adjust the
measuring value in steps of 0.1% up or down to the reference value. The actual
measuring value can be measured with the analogue output.
4. PUSHBUTTON Up: Pressing the button for 3 seconds the calibration value and the
procedure is ended. Exiting the calibration mode is indicated by deactivation of the LED
"Calib".
PUSHBUTTON Down: Pressing the button for 3 seconds the calibration procedure will
be ended without storing the calibration values. Exiting the calibration mode is
indicated by deactivation of the LED "Calib".
Reset the customised calibration to factory calibration:
PUSHBUTTON Up and Down: In neutral mode pressing both buttons simultaneously
for 5 seconds customer calibration settings are reset to factory calibration.
A short flash of the LED "Calib" indicates the reset.
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