JJF 2258-2025 Active National Metrology Technical Specifications JJF

JJF 2258-2025 Calibration Specification for Natural Gas Calorific Value Meters of Correlation Technique

JJF 2258-2025 Calibration Specification for Natural Gas Calorific Value Meters of Correlation Technique

Publish Date: 2025-06-11 Implement Date: 2025-12-11 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: JJF 2258-2025

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: -

ICS Name: -

Publish Date: 2025-06-11

Implement Date: 2025-12-11

Pages: 24 pages

Scope

This specification applies to the calibration of associated method natural gas calorific value measuring instruments with a measurement range of 25 MJ/m3 to 50 MJ/m3.

Development Information

Word Count: 27 Thousand words Pages: 24 pages

Referenced Standards

JJF 1993-2022 Metrological Specification for the Energy Measurement of Natural Gas GB/T 11062-2020 Natural gas—Calculation of calorific values,density,relative density and Wobbe indices from composition GB/T 19205-2008 Natural gas—Standard reference conditions

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