2.5 Sampling Procedures
1.
Ensure that the outlet pressure gauge reads zero (0) psig (
). As necessary, open purge valve B to
relieve test pressure.
2.
Ensure that purge valve B is closed (
).
3.
Ensure that the inlet valve on the sample cylinder is open and that the outlet valve on the sample cylinder is closed.
4.
Close the enclosure door and secure it using the clasps.
5.
Activate the controller to begin sampling.
6.
Continue sampling until the desired volume of sample has been obtained.
Removing the Sample Cylinder
7.
De-energize the solenoid to stop actuating the MPS-2 and halt sampling.
8.
Close the inlet valve on the sample cylinder.
9.
Loosen the tube fitting on the inlet of the sample cylinder to allow the trapped gas to vent, and then tighten the tube
fitting.
10.
Disconnect the sample cylinder from the sample outlet.
11.
Tag the sample cylinder and prepare it for transportation to the testing laboratory in accordance with company policy.
16
IOM-222
MODEL: ESSENTIALS™ GAS SAMPLER
REV: A
13839 West Bellfort Street, Sugar Land, TX 77498
welker.com
Service Department 281.491.2331