JJG 663-1990 Active National Metrology and Inspection Regulations JJG

JJG 663-1990 Thermal Conductivity Hydrogen Analyzer

Publish Date: 1990-03-05 Implement Date: 1990-12-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: JJG 663-1990

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: -

ICS Name: -

Publish Date: 1990-03-05

Implement Date: 1990-12-01

Publisher: The National Technical Supervision Bureau

Technical Committee: Shanghai Municipal Technical Supervision Bureau

Pages: 12 pages

Scope

This procedure is applicable to the verification of thermal conductivity hydrogen analyzers (hereinafter referred to as "instruments") with a measurement range of hydrogen concentration from a minimum of 0 to 2% to a maximum of 0 to 100%, which are newly manufactured, in use, or repaired.