JJF 2336-2025 Active National Metrology Technical Specifications JJF

JJF 2336-2025 Calibration Specification for Microphone Units

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 2336-2025

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: 32 pages

Scope

This specification is applicable to the calibration of microphone units consisting of microphones and preamplifiers that meet the working standard specified in GB/T 20441.4-2006.

Development Information

Word Count: 33 Thousand words Pages: 32 pages

Referenced Standards

JJG 175-2015 Working Standard Microphones(Electrostatic Actuator Method) JJG 482-2017 Laboratory Standard Microphones(Free-field Reciprocity Method) JJG 790-2005 Laboratory Standard Microphones(Coupler Reciprocity Method) JJG 1019-2007 Working Standard Microphones(Coupler Comparison Method) JJG 1172-2019 Working Standard Microphones(Free-field Comparison Method) JJF 1001-2011 General Terms in Metrology and Their Definitions JJF 1034-2020 Terms and Definitions for Acoustical Metrology JJF 1137-2005 JJF 1147-2006 Calibration Specification for Acoustic Performance of Anechoic Rooms and Hemi-anechoic Rooms JJF 1293-2011 Calibration Specification for Electrostatic Actuators GB/T 3102.7-1993 Quantities and units—Acoustics GB/T 3785.1-2023 Electroacoustics—Sound level meters—Part 1:Specifications GB/T 3947-1996 Acoustical terminology GB/T 15173-2010 Electroacoustics—Sound calibrators GB/T 20441.3-2010 Electroacoustics—Measurement microphone—Part 3:Primary method for free-field calibration of laboratory standard microphones by the reciprocity technique GB/T 20441.4-2006 Measurement microphones—Part 4:Specifications for working standard microphones IEC 61094-2

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