Gas Measurement: Witnessing
e-Learning
About the eLearning Course
In this program, you will learn about the major responsibilities of the witness during an orifice meter test. This program covers the equipment and supplies needed to witness an orifice meter test; identifies what components should be checked during a witnessing session; describes the proper methods for calibrating temperature, static, and differential pressure elements; and describes the required checks for the orifice plate and fitting.
Target Audience
Operations personnel who require a fundamental understanding of knowledge to operate and maintain facilities. Also suitable for maintenance and technician personnel whether new to their roles or seasoned experts looking to enhance their skills.You Will Learn
Participants will learn how to:
- Describe the differences between a chart recording and EFM station.
- Describe the preparation required for meter witnessing.
- Identify the equipment and supplies you should bring to the sale as a witness.
- Identify what a witness should be looking for during the test.
- Describe the meter test, differential test, static test, and temperature test.
- Describe how to provide information regarding specific gravity, sample, analysis, water content, and type of station.
- Describe the final testing tasks, including orifice plate inspection, orifice fittings, primary element detail, remarks, and signoff.
- Identify what you must do to ensure the meter is safely returned to service.
