Honeywell VA201T Calibration Handbook page 108

Calibration Handbook
5. Continue until all three digits have been entered.
6. Apply the span gas. When concentration values are stable, select
This process also determines if the sensor is within range to accurately detect the target gas.
Sensor Reading
at Current Settings
7. Select to return to the Gas Calibration menu. If the calibration is not successful, the Span Failed screen
will be displayed.
Select to return to the Span Concentration screen to repeat the span calibration.
Select to exit Span Calibration and return to main Calibrate screen. If Span Calibration is exited, the
previous calibration values will be used. Select
If the calibration is successful, the Span Passed screen will be displayed.
8. Exit the Calibration Menu. After the zero and span calibrations have been successfully completed, the
user will be prompted to:
Exit and turn alarm and fault inhibit off,
Exit and leave the transmitter in inhibit mode. or
Not exit
to calculate the span adjustment.
Calibration Gas
Concentration
to return to the Span Concentration screen.
108 Searchpoint Optima Plus