DZ/T 0101.12-1994
Active
JJF 2338-2025
Active
National Metrology Technical Specifications JJF
JJF 2338-2025 Calibration Specification for Vector Microphones(Free-field Comparison Method)
JJF 2338-2025 Calibration Specification for Vector Microphones(Free-field Comparison Method)
Price:
$ 70.00
Basic Information
Standard Code:
JJF 2338-2025
Standard Type:
National standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
-
ICS Name:
-
Publish Date:
2025-11-05
Implement Date:
2026-05-05
Pages:
44 pages
Scope
This specification is applicable to the calibration of vector microphones with a P-U structure in the frequency range of 100 Hz to 10 kHz. The calibration of other vector microphones can also be referenced to this specification.
Development Information
Referenced Standards
JJG 188-2017 Sound Level Meters
JJG 1019-2007 Working Standard Microphones(Coupler Comparison 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
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 1681-2017 Program of Pattern Evaluation of Sound Level Meters
JJF 1738-2019 Calibration Specification for the Upper Limit of Dynamic Range of High Sound Pressure Measuring Microphones
GB/T 3102.7-1993 Quantities and units—Acoustics
GB/T 3947-1996 Acoustical terminology
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