JJG 499-2021 Active National Metrology and Inspection Regulations JJG

JJG 499-2021 Precision Dew Point Hygrometers

JJG 499-2021 Precision Dew Point Hygrometers

Publish Date: 2021-12-28 Implement Date: 2022-06-28 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us
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Basic Information

Standard Code: JJG 499-2021
Standard Type: National standards
Standard Status: Active
is_force_gb: no
CCS Name: -
ICS Name: -
Publish Date: 2021-12-28
Implement Date: 2022-06-28
Pages: 17 pages

Scope

This procedure is applicable to the first verification, subsequent verification, and in-use inspection of precision dew point meters that utilize the principle of vapor pressure equilibrium and employ refrigerated mirror photoelectric automatic detection.

Development Information

Word Count: 28 Thousand words Pages: 17 pages

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