JJG 922-2008 Active National Metrology and Inspection Regulations JJG

JJG 922-2008 Standard Devices of Vertex Power for Eye Refractometers

Publish Date: 2008-09-27 Implement Date: 2009-01-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: JJG 922-2008

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: -

ICS Name: -

Publish Date: 2008-09-27

Implement Date: 2009-01-01

Pages: 14 pages

Scope

This procedure is applicable to the initial verification, subsequent verification, and in-use inspection of refractometers' focal length standard devices (including objective standard simulated eyes, subjective standard simulated eyes, cylindrical lens standard devices, and refractometers' pupil distance standard devices).