User's Guide ______________________________________________________________________
46 __________________________________________________________________ M010056EN-G
3 and 4: Calibration rh, t, analog
With these combinations you can perform relative humidity,
temperature or analog output calibrations with a multimeter or with the
transmitter display unit. Turn the DIP switches to the desired position
according to the table printed on the protective cover.
5: Output quantities
Determines whether the output units are metric (down) on non-metric.
6, 7 and 8: Select output quantities
With the three DIP switches on the right, you can select the output
quantities according to the table printed on the right side of the
protective cover. Note that only the ordered quantities can be selected.
The special option gives you the choice of setting any ordered quantity
to each channel.
Display/Keypad Commands
Setting the Pressure for Calculations
In humidity transmitters, ambient pressure is used for the mixing ratio
and wet bulb calculations.
To modify the pressure settings, turn the internal
Calibration Enabled/
Disabled
DIP switch of the transmitter to position
Enabled
(up). Press
button
C
on the display cover: text "SCAL" appears on the display.
Then press button
E
until the following display appears (the numeric
value is always the existing setting, in this example 1.0):
NOTE
Always restore the DIP switch settings after having tested the analog
outputs or performing the calibration.
NOTE
Chapter 6, Calibration and Adjustment, on page 61
separately display/keypad commands for calibration and adjustment.