ISA RP31.1-1977
- Specification, Installation, & Calibration of Turbine Flowmeters
- standard by The International Society of Automation, 04/01/1977
- Category: ISA
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This recommendation covers volumetric turbine flowmeters having an electrical output. The flowmeters are used to measure either flow rete or quantity of liquids, and can be either self-generating or modulating.
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