Emerson Rosemount 928 Quick Start Manual page 36

Quick Start Guide
b. Install a regulator on the clean air cylinder.
c. Attach a length of calibration tubing (PVC tubing,
from the regulator on the clean air cylinder to the fitting on the
Rosemount 628 Gas Sensor Module IP filter assembly (part number
00628-9000-0001).
d. Release the clean air to the sensor.
Note
If a long length of calibration tubing is required to reach the device, make
allowances for a delay in response time from the sensor while the clean air
travels the length of the calibration tubing.
e. Perform steps 11—14.
f. Turn off the clean air when the sensor is correctly zeroed.
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August 2018
/ -in. ID, / -in OD)
3 5
16 16