JJG 452-2021 Active National Metrology and Inspection Regulations JJG

JJG 452-2021 Optical Step Tablet

Publish Date: 2021-12-08 Implement Date: 2022-06-08 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: JJG 452-2021

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: -

ICS Name: -

Publish Date: 2021-12-08

Implement Date: 2022-06-08

Publisher: 国家市场监督管理总局

Technical Committee: 全国光学计量技术委员会

Pages: 14 pages

Scope

本规程适用于新制造和使用中的透射式黑白密度片的首次检定、后续检定和使用中检查。黑白密度片的型式评价中对计量性能的要求可参照本规程执行。

Development Information

Drafting Units:

中国计量科学研究院、中国测试技术研究院

Drafting Persons:

刘子龙、陈潇潇、许宁

Word Count: 23 Thousand words Pages: 14 pages

Replace the following standards

JJG 452-2006 Black and White Step Tablet

Referenced Standards

GB/T 11500-2008 Photography—Density measurement—Part 2:Geometric conditions for transmission density GB/T 11501-2008 Photography—Density measurement—Part 3:Spectral conditions

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DZ 4-1981

Publish Date: 1981-08-20

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Publish Date: 1982-03-30