T/JSREA 9003-2025 Active Group standards

T/JSREA 9003-2025 Determination of 7 Fluorinated Isobutylene Nitrile Content in Gaseous Insulating Equipment Environment by Non-Dispersive Infrared Method

Publish Date: 2025-01-26 Implement Date: 2025-02-26 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/JSREA 9003-2025

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: -

ICS Name: Insulating gas

Publish Date: 2025-01-26

Implement Date: 2025-02-26

Scope

Scope: This document is applicable to the determination of trace amounts of heptafluoroisobutyl nitrile in the surrounding environment of gas-insulated electrical equipment. The measurement range is: (mole fraction); Main technical content: This document specifies the principle, instrumentation, measurement, concentration calculation, precision, and test report of the non-dispersive infrared method for determining the content of heptafluoroisobutyl nitrile (C4F7N) in the surrounding environment of gas-insulated electrical equipment.