The Essentials™ Gas Sampler is factory-set to operate on any gas pipeline with a working pressure between 400 and 1050 psig. If
your application is outside these operating conditions, contact Welker for instructions on adjusting the Essentials™ Gas
Sampler.
Preparing for Installation
1.
Remove the Essentials™ Gas Sampler from the shipping container.
2.
Install the gauge assembly to purge valve B.
3.
Install the tubing assembly to connect the gauge assembly to the MPS-2.
4.
As necessary, cut the sample probe to the desired insertion length (e.g., the center one-third (¹⁄₃)of the pipeline).
Installation
1.
Install the Essentials™ Gas Sampler to the depressurized pipeline.
2.
As necessary, connect the solenoid to the timer or controller.
3.
As necessary, adjust the regulator setting.
4.
Install the inlet valve of the sample cylinder to the sample outlet on the Essentials™ Gas Sampler.
Start-Up Procedures
1.
With all valves shut, pressurize the pipeline.
2.
Test the Essentials™ Gas Sampler.
3.
Purge the sample cylinder.
4.
Program the timer or controller to the desired sampling frequency.
The number of times the solenoid should be energized during the sample period to fill the sample cylinder is dependent on the
cylinder volume, temperature, and the volume in associated fittings.
• To fill a 150 cc sample cylinder, energize the solenoid approximately 600–750 times.
• To fill a 300 cc sample cylinder, energize the solenoid approximately 1200–1500 times.
• To fill a 500 cc sample cylinder, energize the solenoid approximately 2000–2500 times.
APPENDIX B: QUICK-START GUIDE
23
IOM-222
MODEL: ESSENTIALS™ GAS SAMPLER
REV: A
13839 West Bellfort Street, Sugar Land, TX 77498
welker.com
Service Department 281.491.2331
