Calibration Handbook
152 XNX Universal Transmitter
NOTE
The Gas Calibration menu is for both Zero Calibration and Span Calibration.
Sensor Reading
at Current Settings
As the sensor detects the gas and the concentration increases, the values displayed will reflect the changing
concentration. When the concentration values are stable, 3 minutes, select
✓
to allow the transmitter to
calculate the zero adjustment. Selecting
✖
will return to the Gas Calibration menu.
6. If the zero calibration is successful, the transmitter will display the Zero Passed screen.
Span Calibration
If a Span Calibration is not required, select the
✖
to skip the Span Calibration and return to the Calibration
menu.
7. When the Zero Calibration is complete, the Span Concentration screen appears. The gas concentration
for the Span Gas Calibration can be changed. If the Span Calibration is skipped, the Gas Calibration
screen displays.
8. Enter the concentration of the span gas by selecting
✓
to choose the first digit. Use the
-
+
switches to
increment or decrement the values. Use
✓
to accept the new value and move to the next digit. Continue
until all digits have been selected.
Sensor Reading
at Current Settings
Calibration Gas
Concentration
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