T/ZGCJM 007-2025 Active Group standards

T/ZGCJM 007-2025 Extremely weak magnetic?cryostat

Publish Date: 2025-09-22 Implement Date: 2025-09-22 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: T/ZGCJM 007-2025

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: Video, pulse system equipment

ICS Name: The measurement of electrical and magnetic quantities

Publish Date: 2025-09-22

Implement Date: 2025-09-22

Scope

It specifies the composition, technical requirements, test methods, inspection rules, packaging, transportation, and storage of extremely low-magnetic cryogenic coolers. It applies to the design, development, production, inspection, and acceptance of extremely low-magnetic cryogenic coolers used to store refrigerants at temperatures below 77 K. Material requirements, process requirements, performance requirements, and environmental adaptability; test methods include interlayer vacuum, vacuum valve leakage rate, vacuum interlayer leakage and venting rate, magnetic noise, and refrigerant evaporation rate.