PN 903-8797, Rev A
Current Output Zero/Span Calibration
The entries for Zero or Span calibration of the V/I outputs are used to deter-
mine the output oset of a given V/I module.
To calibrate the Zero or Span V/I outputs:
1. Press to select the desired V/I module – Zero (Z) or Span (S) – and then
press ‘+’ or ‘–’ to activate the corresponding calibration function.
2. Using an inline 249 ohm resistor, connect a multimeter to the terminals of
the V/I you wish to measure. Check the mA output on the User Interface.
If the value on the User Interface does not match the multimeter reading,
use the ‘+’ or ‘–’ button to change the displayed value to match the multi-
meter reading.
Example, if the reading on the multimeter is 3.94 mA and the reading on
the User Interface is 4.00, use the ‘–’ button to decrease the value to 3.94.
3. Repeat Steps 1 and 2 for the other V/I modules.
Operating in Standby Mode
If LED 2 on the User Interface is On, this indicates that the built-in diagnostic
system has activated and latched the Fault Alarm relay. During this condition,
the diagnostics function places the analyzer in Standby Mode; the analyzer
requires immediate service. For more information about this condition, refer
to Chapter 4.
RUN Mode
MonitorCFG
3-22 | 241CE II Hydrocarbon Dewpoint Analyzer
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