JJF 2391-2026 Pending National Metrology Technical Specifications JJF

JJF 2391-2026 Calibration Specification for Reference Bars of Ultrasound Transmitted Time

Publish Date: 2026-04-02 Implement Date: 2026-10-02 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: JJF 2391-2026

Standard Type: National standards

Standard Status: Pending

is_force_gb: no

CCS Name: -

ICS Name: -

Publish Date: 2026-04-02

Implement Date: 2026-10-02

Publisher: 国家市场监督管理总局

Technical Committee: 全国声学计量技术委员会

Pages: 16 pages

Scope

本规范适用于超声声时标准棒的校准，其他类似装置也可参照执行。

Development Information

Drafting Units:

广东省计量科学研究院、广东工业大学、广州计量检测技术研究院

Drafting Persons:

陈华、陈沈理、周长华

Word Count: 15 Thousand words Pages: 16 pages

Referenced Standards

JJG 990-2004 Acoustic Detector JJF 1001-1998 General Terms in Metrology and Their Definitions JJF 1001-2011 General Terms in Metrology and Their Definitions JJF 1034-2020 Terms and Definitions for Acoustical Metrology

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