DZ/T 0101.12-1994
Active
JJF 2222-2025
Active
National Metrology Technical Specifications JJF
JJF 2222-2025 Calibration Specification for Noise Measuring Instruments Based on Smart Terminal
JJF 2222-2025 Calibration Specification for Noise Measuring Instruments Based on Smart Terminal
Price:
$ 43.00
Basic Information
Standard Code:
JJF 2222-2025
Standard Type:
National standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
-
ICS Name:
-
Publish Date:
2025-03-27
Implement Date:
2025-09-27
Pages:
24 pages
Scope
This standard applies to the calibration of noise measurement instruments based on smart terminals. Other noise measurement instruments suitable for sound field calibration can be calibrated according to this standard.
Development Information
Referenced Standards
JJG 188-2017 Sound Level Meters
JJG 790-2005 Laboratory Standard Microphones(Coupler Reciprocity Method)
JJG 1172-2019 Working Standard Microphones(Free-field Comparison Method)
JJF 1001-2011 General Terms in Metrology and Their Definitions
JJF 1034-2020 Terms and Definitions for Acoustical Metrology
GB/T 3102.7-1993 Quantities and units—Acoustics
GB/T 3947-1996 Acoustical terminology
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