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© 2014 All rights reserved. Data subject to change without notice.
GEM-II - Operation Manual
Rev. E | 2014.10
Step 2:
Move jumper on J6 to position-3 and move jumper on J7 to position-3. The audible alarm beeps
once for confirmation. The system is now starting the zero calibration stabilization time (30
seconds).
Step 3:
The audible will beep twice when the calibration begins. Leave the zero air flowing over the
sensor until the GEM audible beeps three times indicating the procedure is finished (1 minute).
Step 4:
Move jumpers from J6 & J7 back to their respective resting positions and remove the zero air or
Nitrogen.
8.6.3 Calibrating the Span Gas (remote catalytic or SS sensor)
Step 1:
Attach regulator to cylinder of span gas.
Step 2:
Attach flow adapter and open regulator valve fully (fixed flow regulators only) allowing span gas
to flow over sensor.
Step 3:
Move the jumper on J6 to position-3 and move jumper on J7 to position-4. The audible alarm
“beeps” once for confirmation. The system is now starting the span calibration stabilization time
(30 seconds).
Step 4:
The audible will beep twice when the calibration begins. Leave the span gas flowing over the
sensor until the GEM audible beeps three times indicating the procedure is finished (2 minutes).
Move jumpers from J6 & J7 back to their respective resting positions and remove the span gas.
