JJF 1339-2012 (English Version) PDF

Standard No.: JJF 1339-2012
Language: Chinese, Available in English version
Release Date: 2012
Published By: National Metrological Technical Specifications of the People's Republic of China
Latest: JJF 1339-2012

Scope: This specification is applicable to the calibration of electroacoustic testers that measure the electroacoustic characteristics of electroacoustic devices such as headphones, microphones, speakers, receivers, and microphones.

JJF 1339-2012 Referenced Document

GB 3102.7 Quantities and units of acoustics
GB/T 3947-1996 Acoustical terminology
ITU-T P.51-1996 Artificial Mouth - Series P: Telephone Transmission Quality Objective Measuring Apparatus Study Group 12; 14 pp
JJF 1001 General Terms in Metrology and Their Definitions
JJF 1034-2005 Metrological Terms and their Definitions for Acoustics
JJF 1059-1999 Evaluation and Expression of Uncertainty in Measurement
JJF 1157-2006 Calibration Specification for Measuring Amplifiers
JJG 176-2005 Sound Calibrators
JJG 188-2002 Verification Regulation of Sound Level Meters*， 2024-04-19 Update
JJG 389-2003 Verification Regulation of Artificial Ears*， 2024-04-19 Update
JJG 607-2003 Verification Regulation of Audio-Frequency Signal Generators*， 2024-04-19 Update

2012 JJF 1339-2012 Calibration Specification for Electro-acoustical Measurement Instruments
1970 JJF 1339-1990 4πβ(LS)-γ conforms to the technical specifications of the activity benchmark operation