DZ/T 0101.12-1994
Active
JJG 778-2019
Active
National Metrology and Inspection Regulations JJG
JJG 778-2019 Noise Level Statistical Analyzers
JJG 778-2019 Noise Level Statistical Analyzers
Price:
$ 71
Basic Information
Standard Code:
JJG 778-2019
Standard Type:
National standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
-
ICS Name:
-
Publish Date:
2019-12-31
Implement Date:
2020-03-31
Pages:
34 pages
Scope
This procedure is applicable to the initial verification, subsequent verification, and in-use inspection of Level 1 and Level 2 noise statistical analyzers.
Development Information
Replace the following standards
Referenced Standards
JJG 176-2005 Sound Calibrators
JJG 188-2017 Sound Level Meters
JJG 482-2017 Laboratory Standard Microphones(Free-field Reciprocity Method)
JJG 790-2005 Laboratory Standard Microphones(Coupler Reciprocity Method)
JJF 1001-2011 General Terms in Metrology and Their Definitions
JJG 1019-2007 Working Standard Microphones(Coupler Comparison Method)
JJF 1034-2005
JJF 1059.1-2012 Evaluation and Expression of Uncertainty in Measurement
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 3222.1-2006 Acoustics—Description, measurement and assessment of environmental noise—Part 1:Basic quantities and assessment procedures
GB/T 3947-1996 Acoustical terminology
IEC 61672-1:2013
IEC 61672-2:2013
IEC 62585
GB/T 3102.7-1993 Quantities and units—Acoustics
GB/T 17312-1998 Random-incidence and diffuse-field calibration of sound level meters
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