Hach-Lange SI794 D User Manual - Manual (Page 68)

Display Action Remark
Enter relative humidity
(Select position using
,
edit number using ,
press enter to confirm.)
Enter calibration pressure
(Select position using
,
edit number using ,
press enter to confirm.)
Default for calibra-
tion pressure is
normal pressure
1.013 bars.
Calibration to concentration (Conc)
Select calibration
(Press cal.)
Enter passcode: 1100
(Select position using
,
edit number using ,
press enter to confirm.)
Place sensor in air
Start with enter
Automatic drift check
Display of input 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
entered, the transmitter
returns to measuring
mode.
Default for relative
humidity in air:
rH = 50 %
The transmitter
goes to HOLD
mode.
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