JJF 1446-2014
Calibration Specification for Impedance Tubes (Transfer Function Method) (English Version)

Standard No.

JJF 1446-2014

Language

Chinese, Available in English version

Release Date

2014

Published By

National Metrological Technical Specifications of the People's Republic of China

Latest

JJF 1446-2014

Scope

This specification is applicable to the calibration of impedance tubes for measuring the sound absorption coefficient of sound-absorbing materials using the transfer function method.

JJF 1446-2014 Referenced Document

• GB 3102.5-1993 Quantities and units of electricity and magnetism
• GB 3102.7-1993 Quantities and units of acoustics
• GB/T 18696.2-2002 Acoustics--Determination of sound absorption coefficient and impedance in impedance tubes Part 2: Transfer function method
• JJF 1001-2011 General Terms in Metrology and Their Definitions
• JJF 1034-2005 Metrological Terms and their Definitions for Acoustics

JJF 1446-2014 history

• 2014 JJF 1446-2014 Calibration Specification for Impedance Tubes (Transfer Function Method)