Honeywell 201T - User Interface; Testing Procedure

511391 201T User Manual 21
2/07 Honeywell
USER INTERFACE
Testing Procedure
USER INTERFACE
The 10 red LEDs
indicate the gas
concentration
detected. Each red
LED represents 10%
of the reading scale.
For example, an
oxygen depletion
transmitter with a 21%
reading will have 8 red
LEDs lit.
If the FAULT (yellow)
DEL turns on, please
contact Honeywell
technical support for
assistance.
When Powering ON,
the green LED lights
to indicate power ON.
DISPLAY (optional) .
An LCD display is available (as an option) in order to visualize the gas
concentration directly on the monitor.
Testing Procedure
Flow a Span gas at the recommended rate and observe the action of
the LEDs and analog outputs. Span gas can be purchased through your
local representative.