JJF 2339-2025 Active National Metrology Technical Specifications JJF

JJF 2339-2025 Calibration Specification for Surface Microphones(Electrostatic Actuator Method)

Publish Date: 2025-11-05 Implement Date: 2026-05-05 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: JJF 2339-2025

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: -

ICS Name: -

Publish Date: 2025-11-05

Implement Date: 2026-05-05

Pages: 24 pages

Scope

This standard applies to the calibration of surface microphones used in acoustic measurement within the frequency range of 20 Hz to 20 kHz. It can also be used as a reference for calibrations outside this frequency range.

Development Information

Word Count: 22 Thousand words Pages: 24 pages

Referenced Standards

JJG 175-2015 Working Standard Microphones(Electrostatic Actuator Method) JJG 176-2022 Sound Calibrators JJF 1001-2011 General Terms in Metrology and Their Definitions JJF 1034-2020 Terms and Definitions for Acoustical Metrology JJF 1059.1-2012 Evaluation and Expression of Uncertainty in Measurement JJF 1293-2011 Calibration Specification for Electrostatic Actuators GB/T 3102.7-1993 Quantities and units—Acoustics GB/T 3947-1996 Acoustical terminology GB/T 20441.1-2010 Electroacoustics—Measurement microphones—Part 1:Specifications for laboratory standard microphones GB/T 20441.4-2006 Measurement microphones—Part 4:Specifications for working standard microphones IEC 61094-6:2004

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