Standard Briefing:Stadard ID: JJF 1653-2017
Stadard Title: Calibration Specification for Condenser Project Measurement Microphones
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Calibration Specification for Condenser Project Measurement Microphones
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Basic Data: | Standard ID | JJF 1653-2017 (JJF1653-2017) | | Description (Translated English) | Calibration Specification for Condenser Project Measurement Microphones | | Sector / Industry | Metrology & Measurement Industry Standard | | Classification of Chinese Standard | A59 | | Classification of International Standard | 17.140 | | Word Count Estimation | 36,386 | | Date of Issue | 2017-11-20 | | Date of Implementation | 2018-02-20 | | Quoted Standard | JJF 1001-2011; JJF 1019-2007; JJF 1034-2005; JJF 1137-2005; GB/T 2900.86-2009; GB/T 3240; GB/T 3785.1-2010; GB/T 3947-1996; GB/T 15173; GB/T 20441.1-2010; GB/T 20441.4-2006; SJ/T 10724-2013; SJ/T 10725-2013; IEC 61094-6-2004 | | Regulation (derived from) | AQSIQ Notice 2017 No. 103 | | Issuing agency(ies) | State Administration of Quality Supervision, Inspection and Quarantine | | Summary | This standard applies to the calibration of condenser engineering measurement microphones. | Contents, Scope, and Excerpt:JJF 1653-2017
(Capacitive Engineering Measurement Microphone Calibration Specification)
People's Republic of China National Metrology Technical Specifications
Capacitive Engineering Measurement Microphone Calibration Specification
Published on.2017-11-20
2018-02-20 Implementation
The State Administration of Quality Supervision, Inspection and Quarantine issued
Capacitance engineering measurement
Microphone calibration specification
Integral Unit. National Acoustic Measurement Technical Committee
Drafted by. Hengyang Hengyi Electric Co., Ltd.
China Institute of Metrology
State-owned 4380 Factory Jiaxing Factory
Shenzhen Metrology and Quality Inspection Institute
Guangzhou Dynamic Integrated Inspection & Certification Co., Ltd.
This specification entrusts the National Acoustic Measurement Technical Committee to explain
Drafters of this specification.
Liu Xiangheng (Hengyang Hengyi Electric Co., Ltd.)
Niu Feng (China Institute of Metrology)
Shu Guohua (State-owned 4380 Factory Jiaxing Branch)
Zhang Guoqing (Shenzhen Institute of Metrology and Quality Inspection)
Lu Linhua (Guangzhou Dynamic Integrated Testing & Certification Co., Ltd.)
He Longbiao (China Institute of Metrology)
Tan Xiaoming (Hengyang Hengyi Electric Co., Ltd.)
table of Contents
Introduction (II)
1 Range (1)
2 References (1)
3 Terms and units of measure (1)
3.1 Terms and Definitions (1)
3.2 Quantity and Units (3)
4 Overview (3)
5 Metrological characteristics (3)
5.1 Sensitivity Level (3)
5.2 Frequency Response (4)
5.3 Dynamic Range Cap (5)
5.4 Lower Frequency (5)
6 Calibration Conditions (6)
6.1 Environmental Conditions (6)
6.2 Measurement Standards and Other Equipment (6)
7 Calibration Items and Calibration Methods (7)
7.1 Calibration Items (7)
7.2 Check Before Calibration (7)
7.3 Sensitivity Level Calibration Method (8)
7.4 Frequency Response Calibration Method (11)
7.5 Dynamic Range Upper Limit Calibration Method (14)
7.6 Calibration Method of Lower Frequency (14)
8 Expression of Calibration Results (15)
8.1 Calibration Record (15)
8.2 Calibration Data Processing (15)
8.3 Calibration Certificate (15)
8.4 Measurement Uncertainty of Calibration Results (15)
9 Re-school interval (15)
Appendix A Content and Format of Calibration Records (16)
Appendix B Content and Format of Calibration Certificate (19)
Appendix C Examples of Measurement Uncertainty Evaluation (22)
introduction
This specification is based on the rules and formats given in JJF 1071-2010 "Rules for the preparation of national metrological calibration specifications".
The measurement and measurement uncertainty are evaluated according to the requirements of JJF 1059.1-2012 Evaluation and Expression of Uncertainty in Measurement.
Indicated.
This specification refers to the National Electronic Industry Standard SJ/T 10724-2013
"Specifications" and SJ/T 10725-2013 "Methods for the measurement of electroacoustic performance of electroacoustic condenser microphones".
This specification is the first release.
Capacitive Engineering Measurement Microphone Calibration Specification
Scope
This specification applies to the calibration of condenser engineering measurement microphones.
2 references
This specification refers to the following documents.
JJF 1001-2011 Universal Measurement Terms and Definitions
JJF 1019-2007 working standard microphone (coupling cavity comparison method)
JJF 1034-2005 Acoustic Measurement Terms Terms and Definitions
JJF 1137-2005 Microphone Preamp Calibration Specification
GB/T 2900.86-2009 Electrotechnical terms Acoustics and electroacoustics
Frequently used frequencies in GB/T 3240 acoustic measurements
GB/T 3785.1-2010 Electroacoustic sound level meter Part 1. Specification
GB/T 3947-1996 Acoustic terms
GB/T 15173 electroacoustic sound calibrator
GB/T 20441.1-2010 Electroacoustic measurement microphones Part 1. Specification for laboratory standard microphones
GB/T 20441.4-2006 Measurement microphones Part 4. Working standard microphone specifications
SJ/T 10724-2013 General Specification for Electroacoustic Measurement Capacitor Microphones
SJ/T 10725-2013 Electroacoustic measurement method for measuring the electroacoustic performance of a condenser microphone
IEC 61094-6.2004 Measurement microphones - Part 6. Electrostatic exciter for measuring frequency response
(Measurementmicrophones-Part 6. Electrostaticactuatorsfordeterminationoffre-
Quencyresponse)
For dated references, only dated editions apply to this specification; all undated references
The latest version (including all amendments) applies to this specification.
3 Terms and units of measure
3.1 Terms and Definitions
The following terms and definitions defined by JJF 1001-2011, JJF 1034-2005, and JJF 1059.1-2012 apply
Used for this specification.
3.1.1 condenser microphone condensermicrophone
A microphone that works with changes in capacitance.
[GB/T 2900.86-2009, definition 801-26-13]
3.1.2 Engineering Measurement Microphone projectmeasurementmicrophone
Meet the sound level meter and sound pressure test system for electroacoustic performance and mechanical size requirements of the microphone. Its sensitivity is available
Calibrate one of the following methods.
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