DZ/T 0101.12-1994
Active
JJG 482-2017
Active
National Metrology and Inspection Regulations JJG
JJG 482-2017 Laboratory Standard Microphones(Free-field Reciprocity Method)
JJG 482-2017 Laboratory Standard Microphones(Free-field Reciprocity Method)
Basic Information
Standard Code:
JJG 482-2017
Standard Type:
National standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
-
ICS Name:
-
Publish Date:
2017-11-20
Implement Date:
2018-05-20
Pages:
14 pages
Scope
This procedure applies to the initial verification, subsequent verification, and in-use inspection of LS1 and LS2 type laboratory standard microphones that meet the requirements of GB/T 20441.1-2010.
Development Information
Replace the following standards
JJG 482-2005
Referenced Standards
JJG 175-2015 Working Standard Microphones(Electrostatic Actuator Method)
JJG 449-2014 Octave-Band and Fractional-Octave-Band Filters
JJF 1001-2011 General Terms in Metrology and Their Definitions
JJF 1034-2005
GB/T 20441.1-2010 Electroacoustics—Measurement microphones—Part 1:Specifications for laboratory standard microphones
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 3102.7-1993 Quantities and units—Acoustics
GB/T 3947-1996 Acoustical terminology
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