AdEM™-PTZ
ROMET LTD. 29
6. CALIBRATION
The Calibration mode is provided to compensate offsets and gains of pressure and temperature sensors:
- during manufacturing process;
- if a significant error (>0.5%) is found during testing/verification (refer to Section 7, TESTING);
- in the event of a sensor replacement.
It is assumed that this procedure is performed in the controlled environment of a meter or instrument shop.
Access to the Calibration mode requires that the Program Switch be in the “ENABLE” position and that the
access password be entered (refer to Section 4, SECURITY).
Temperature and Pressure Calibration can be performed two ways: using Keypad or RometLink software.
Ambient temperature can be performed by Keyboard operation only. Usually it is done only during factory initial
configuration.
Gas Temperature Calibration
Place the temperature sensor into a stable temperature bath (reference) for at least 3 minutes to stabilize.
Temperature calibration is performed at one test point. To achieve the best results, calibration should be performed
at a reference bath temperature, which is close to average gas temperature at location of meter.
If calibration is aborted due to any reason, the unit will revert to old saved data that is still valid.
Calibration by Keypad
The flowchart below shows how to calibrate Gas Temperature sensor.
Gas temperature Calibration by Keyboard - Flowchart
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