11
Display
Action
Remark
Select calibration.
Place sensor in air,
press enter to start.
Device goes to HOLD
mode.
“CAL WATER“ or
“CAL AIR“ is selected
in the confi guration.
Enter relative humidity
using arrow keys
Press enter to proceed.
Default for relative
humidity in air:
rH = 50%
Enter cal pressure using
arrow keys
Press enter to proceed.
Default: 1.000 bar
Unit bar/kpa/PSI
Drift check:
Display of:
Sensor current (nA)
Response time (s)
Temperature (°C/°F)
Press enter to proceed.
The drift check can
take some minutes.
Display of calibration
data (slope and zero).
Press enter to proceed.
Display of selected
process variable (here:
%vol). Now the device is
in HOLD mode: Reinstall
the sensor and check
whether the message
is OK.
MEAS ends calibra-
tion, REPEAT permits
repetition.
After end of calibra-
tion, the outputs
remain in HOLD
mode for a short
time.
Slope Calibration (Medium: Air)
