Measurement Services : Gas Flowmeter Calibrations with the 34 L and 677 L PVTt Standards

Abstract

This document provides a description of the 34 L and 677 L pressure, volume, temperature, and time (PVTt) primary gas flow standards operated by the National Institute of Standards and Technology (NIST) Fluid Flow Group. These facilities are used to provide gas flowmeter calibration services as reported in NIST Special Publication 250 [Marshall 1998] for… (More)

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