Hach-Lange SI794 D User Manual - Manual (Page 66)

Display Action Remark
Enter relative humidity
Select position using ,
edit number using ,
press enter to proceed.
Enter calibration pressure
Select position using , edit
number using , press enter
to proceed.
Default for calibra-
tion pressure is the
process pressure
configured
Calibration to percent saturation (SAT)
Select calibration
(Press cal.)
Enter passcode: 1100
Select position using ,
edit number using ,
press enter to proceed.
Place sensor in calibration
medium
Start with enter
Automatic drift check
Display of sensor current (re-
lated to 25 °C and 1013 mbars)
and measuring temperature.
The drift check might take
some time.
Drift check can
be stopped after
> 10 sec by press-
ing cal (accuracy
reduced).
SAT or Conc calibration
is selected during
configuration.
If an invalid code is en-
tered, the transmitter
returns to measuring
mode.
Default for relative
humidity in aqueous
media:
rH = 100 %
(in air approx. 50 %)
The transmitter is in
Hold mode
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