Emerson Rosemount 928 Reference Manual page 51

Reference Manual
00809-0100-4928
9. Select OK when the zero measurement reading stabilizes.
c) Attach a length of calibration tubing (PVC tubing, 3/16-in. ID, 5/16-in. OD)
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 you need a long length of calibration tubing 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) Complete Step 9
f) Complete Step 13
g) Turn off the clean air when the sensor is correctly zeroed.
Note
Negative measurement readings may occur and are normal during zeroing.
through Step 11.
through Step 14
Configuration
August 2018
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