Placement and Calibration of Sensors
Verify Calibration and Drifting Analysis
EVM Series User Manual
4. To exit and return to the start screen press On/Off/Esc twice.
Verify Calibration and Drifting Analysis
The verify screen is typically used to analyze drifting. This process verifies if the zero calibration
remained stable or unchanged during the run-time/logging time. If it did not remain stable, you can set a
new calibration offset and save this as your new set point.
Verify calibration
1. Select the Calibration menu from the start screen and select a sensor you want to verify.
NOTE: Press up/down arrow menu to select a sensor in the calibration menu.
2. Press the Verify soft key. (The Calibrate offset will display on the screen.)
NOTE: For this example, PID sensor was selected in step 1. If you selected a different sensor,
the screens will look very similar to the figures below.
Figure 4-33: Calibrate offset verify screen for PID sensor
3. Press the Start soft key and allow the level to stabilize. (Apply any gas if applicable as described in
the Calibration sections above.)
4. Press the Set soft key to set a new calibration value.
Figure 4-34: Calibrating PID
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