GB/T 20441.2-2018
Electroacoustics.Measurement microphones.Part 2:Primary method for pressure calibration of laboratory standard microphones by the reciprocity technique

Standard No.

GB/T 20441.2-2018

Language

Chinese

Release Date

2018

Published By

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China

Lastest

GB/T 20441.2-2018

Scope

This part of GB/T 20441 specifies the primary method for determining the complex sound pressure sensitivity of laboratory standard microphones, and establishes a reproducible and accurate basis for sound pressure measurement. This section applies to laboratory standard microphones meeting the requirements of GB/T 20441.1-2010 and other types of condenser microphones with the same dimensions. All quantities in this section are expressed in SI units.

GB/T 20441.2-2018 Referenced Document

• GB/T 20441.1-2010 Electroacoustics.Measurement microphones.Part 1:Specifications for laboratory standard microphones
• ISO/IEC Guide 98-3 Uncertainty of measurement - Guide to the expression of uncertainty in measurement (GUM:1995). Extension to any number of output quantities

GB/T 20441.2-2018 history

• 2018 GB/T 20441.2-2018 Electroacoustics.Measurement microphones.Part 2:Primary method for pressure calibration of laboratory standard microphones by the reciprocity technique

GB/T 20441.2-2018 -All Parts