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JJG 452-2021Verification Regulation of Optical Step Tablet (English PDF)

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Issued by

State Administration for Market Regulation

Level / Type

National · Mandatory

Issue date

December 8, 2021

Implementation date

June 8, 2022

Scope

JJG 452-2021 (Verification Regulation of Optical Step Tablet) is available as an English-translated PDF.

JJG 452-2021 — Verification Regulation of Optical Step Tablet

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Document preview — JJG 452-2021

National Standard of the People's Republic of China

ICS: 17.180
Classification: A 60

Issued by: State Administration for Market Regulation

What this standard covers1
Document data2

What this standard covers

This standard applies to the initial verification, subsequent verification and in-use inspection of newly manufactured and in-use transmission black and white density sheets. The requirements for metrological performance in the type evaluation of black and white density sheets can be implemented with reference to this standard.

Document data

International classification (ICS): 17.180.

Chinese classification (CCS): A60.

Estimated length of the Chinese original: 17,150 words.

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 11 pages — is available in the English PDF.

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