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JJF 1653-2017 English PDF

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US$829.00 · In stock
Delivery: <= 6 days. True-PDF full-copy in English will be manually translated and delivered via email.
JJF 1653-2017: Calibration Specification for Condenser Project Measurement Microphones
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
JJF 1653-2017	829	Add to Cart	6 days	Calibration Specification for Condenser Project Measurement Microphones	Valid

Similar standards

GB/T 3222.2 GB/T 3222.1 JJG 188 JJF 1649 JJF 1650 JJF 1648

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: 36,339
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): General Administration of Quality Supervision, Inspection and Quarantine
Summary: This standard applies to the calibration of condenser engineering measurement microphones.

JJF 1653-2017: Calibration Specification for Condenser Project Measurement Microphones

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
(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.)

Introduction (II) 1 Scope (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

1 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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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of JJF 1653-2017_English be delivered?

Answer: Upon your order, we will start to translate JJF 1653-2017_English as soon as possible, and keep you informed of the progress. The lead time is typically 4 ~ 6 working days. The lengthier the document the longer the lead time.

Question 2: Can I share the purchased PDF of JJF 1653-2017_English with my colleagues?

Answer: Yes. The purchased PDF of JJF 1653-2017_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet.

Question 3: Does the price include tax/VAT?

Answer: Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countries

Question 4: Do you accept my currency other than USD?

Answer: Yes. If you need your currency to be printed on the invoice, please write an email to Sales@ChineseStandard.net. In 2 working-hours, we will create a special link for you to pay in any currencies. Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.