ISO 20146:2019

Vacuum technology — Vacuum gauges — Specifications, calibration and measurement uncertainties for capacitance diaphragm gauges ISO 20146:2019

Publication date:   Jan 31, 2019

General information

90.20 Standard under periodical review   Jan 15, 2024


ISO/TC 112 Vacuum technology

International Standard

23.160   Vacuum technology



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This document defines terms related to capacitance diaphragm gauges (CDGs), specifies which parameters have to be given for CDGs, details their calibration procedure and describes which measurement uncertainties have to be considered when operating these gauges.
This document complements ISO 3567 and ISO 27893 when calibrating CDGs and using them as reference standards.

Life cycle


ISO 20146:2019
90.20 Standard under periodical review
Jan 15, 2024