JJG 452-2006
Verification Regulation of Black and White Step Tablet (English Version)

Standard No.

JJG 452-2006

Language

Chinese, Available in English version

Release Date

2006

Published By

National Metrological Verification Regulations of the People's Republic of China

Status

Be replaced 2022-06

Replace By

JJG 452-2021

Latest

JJG 452-2021

Replace

JJG 452-1986

Scope

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

JJG 452-2006 Referenced Document

• GB/T 11500-1989 Geometric conditions for measuring transmission density
• GB/T 11501-1989 Spectral conditions for measuring photography density
• JJF 1002-1998 The Rules for Drafting National Metrological Verification Regulation
• JJF 1059-1999 Evaluation and Expression of Uncertainty in Measurement

JJG 452-2006 history

• 2021 JJG 452-2021 Optical Step Tablet
• 2006 JJG 452-2006 Verification Regulation of Black and White Step Tablet
• 1986 JJG 452-1986 Verification Regulation of Standard of Black-White Photographic Density Tablet