Emerson Rosemount 928 Reference Manual page 50

Configuration
February 2023
12. On the Calibrate Sensor screen, enter a gas concentration level that corresponds to
13. Select OK.
14. Install a regulator on the target gas source.
50
the concentration of calibration gas that will be applied during calibration.
For oxygen, use 20.9 percent oxygen from clean air. This step may be performed
with surrounding air if no contaminants are present.
WARNING
Toxic gas
Before performing the next step, verify that the regulator is closed to avoid
releasing target gas into the air during calibration.
Reference Manual
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