Abstract

The article provides information about the state of the metrological provision in the field of gas flow measurements in a vacuum. The researchers describe the need to build and improve a system of metrological provision in the field of measuring gas flows in a vacuum. There is information about the work on the creation of a piston flow meter as a national standard for gas flow in a vacuum, taking place in the research department of the state standards in the field of pressure measurements of the D. I. Mendeleyev Institute for Metrology VNIIM.

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