JJG 28-2000 Replaced National Metrology and Inspection Regulations JJG

JJG 28-2000 Optical Flat

JJG 28-2000 Optical Flat

Publish Date: 2000-07-09 Implement Date: 2000-09-15 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: JJG 28-2000

Standard Type: National standards

Standard Status: Replaced

is_force_gb: no

CCS Name: -

ICS Name: -

Publish Date: 2000-07-09

Implement Date: 2000-09-15

Pages: 31 pages

Scope

This procedure is applicable to the type-approval (or prototype testing), initial inspection, subsequent inspection, and in-service inspection of flat crystals, parallel crystals, and long crystals (hereinafter collectively referred to as "crystals").

Development Information

Word Count: 42 Thousand words Pages: 31 pages

Replace the following standards

JJG 89-1986 JJG 28-1991 JJG 29-1991

Superseded by the following standards

JJG 28-2019 Optical Flats

Referenced Standards

JB/T 7402-1994 JJF 1001-1998 General Terms in Metrology and Their Definitions JJF 1059-1999 GB/T 15464-1995 General-purpose specification for the packaging of instrumentation products GB/T 903-1987 Colourless optical glass JB/T 7401-1994

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