Gas flow calibration
Understanding the fundamentals of gas flow calibration is essential for evaluating calibration systems, estimating the magnitude of error sources, developing calibration methods and resolving measurement problems. This article develops the ideal gas laws into tools that can be applied to real gases in a flow calibration system. In addition it discusses the two ways that flow can be measured and explains why one is preferred over the other. It also covers flow standards and provides guidelines for making reliable measurements.
- Measuring mass flow offers certain advantages.
- Gas density and compressibility will affect the measurement and must be accounted for.
- Understanding the fundamentals of gas flow calibration is essential for understanding errors, calibration methods and measurement problems.
Fundamentals of gas flow calibration
By W Thompson, Fluke
Electricity+Control, July 2012 (pgs 38 - 41)
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