Home Cart Quotation About-Us
www.ChineseStandard.net
SEARCH

JJG 869-2002 English PDF

US$879.00 ยท In stock
Delivery: <= 6 days. True-PDF full-copy in English will be manually translated and delivered via email.
JJG 869-2002: Verification Regulation of Electro-acoustical Measurement Instruments for Telephone Set
Status: Valid

JJG 869: Historical versions

Standard IDUSDBUY PDFLead-DaysStandard Title (Description)Status
JJG 869-2002879 Add to Cart 6 days Verification Regulation of Electro-acoustical Measurement Instruments for Telephone Set Valid
JJG 869-1994599 Add to Cart 4 days Verification Regulation of Electro-acoustical Measurement Instruments for Telephone set Obsolete

Similar standards

GB/T 3222.2   GB/T 3222.1   JJG 188   JJG 921   JJG 778   JJG 185   

Basic data

Standard ID: JJG 869-2002 (JJG869-2002)
Description (Translated English): Verification Regulation of Electro-acoustical Measurement Instruments for Telephone Set
Sector / Industry: Metrology & Measurement Industry Standard
Classification of Chinese Standard: A59
Word Count Estimation: 34,329
Date of Issue: 2002-09-13
Date of Implementation: 2003-03-13
Older Standard (superseded by this standard): JJG 869-1994
Quoted Standard: GB/T 6587.2-1986; GB/T 6587.3-1986; GB/T 6587.4-1986; GB/T 6587.5-1986; GB/T 6587.6-1986; GB/T 6587.7-1986; GB/T 6593-1986; GB/T 6833.2-1987; GB/T 6833.4-1987; GB/T 7614-1987; GB/T 15279-1994; GB/T 15173-1994; SJ/T 10724-1996; JJG 176-1995; JJG 175-1998; JJF 1015-2002; JJF 1016-2002; ITU-T P.62 (03/1993); ITU-T P.79 (10/2000)
Issuing agency(ies): State Administration of Quality Supervision, Inspection and Quarantine
Summary: This standard applies to telephone electro-acoustic tester shape identification, prototype testing, initial verification, testing and use of the follow-up inspection.

JJG 869-2002: Verification Regulation of Electro-acoustical Measurement Instruments for Telephone Set


---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.
Verification Regulation of Electro-acoustical Measurement Instruments for Telephone Set National Metrology Verification Regulations of the People's Republic Telephone electroacoustic tester forTelephoneSet Released on.2002-09-13 2003-03-13 implementation The General Administration of Quality Supervision, Inspection and Quarantine issued Replace JJG 869-1994 This regulation was approved by the General Administration of Quality Supervision, Inspection and Quarantine on September 13,.2002, and It will take effect on March 13,.2003. Focal Point. National Acoustic Metrology Technical Committee Main drafting unit. Shanghai Institute of Metrology and Testing Technology China Institute of Metrology Participated in the drafting unit. State-owned 4380 Factory Jiaxing Branch Guangdong Institute of Metrology Shandong Provincial Product Quality Supervision and Inspection Institute This procedure entrusts the National Acoustic Metrology Technical Committee to explain The main drafters of this procedure. Gu Jianxiu (Shanghai Institute of Metrology and Testing Technology) Qiu Jianhua (China Institute of Metrology) Participate in the drafters. Yu Xueming (State-owned 4380 Factory Jiaxing Branch) Zhang Guoqing (Guangdong Institute of Metrology) Gu Qun (Shandong Province Product Quality Supervision and Inspection Institute)

table of Contents

1 Scope (1) 2 Citations (1) 3 terms and units of measurement (2) 4 Overview (3) 5 Metrological performance requirements (3) 5.1 Signal source part (3) 5.2 Recording and Measurement System Section (4) 5.3 Simulation ear part (4) 5.4 Simulation mouth part (4) 5.5 Feeding Power Section (5) 5.6 Acoustic Calibrator (5) 5.7 Test Capacitor Microphone (5) 5.8 Test Head Rack (5) 6 General technical requirements (6) 6.1 Basic Configuration Requirements (6) 6.2 Safety requirements (6) 6.3 Warm-up time (6) 6.4 Temperature and humidity adaptability (6) 6.5 Effects of vibration, shock and transportation (6) 6.6 Power supply voltage (6) 6.7 Electromagnetic Compatibility (6) 6.8 Appearance, signs and instructions (6) 7 Measuring instrument control (7) 7.1 Stereotype or prototype test (7) 7.2 Initial verification and subsequent verification (8) 7.3 Stereotype or prototype test (13) 7.4 In-use inspection (18) Appendix A Measurement of Transmit Sensitivity and Receive Sensitivity (19) Appendix B Format of the Internal Page of the Certificate of Verification and Verification of Nonconformity (22) Appendix C Example of Uncertainty Analysis of Measurement Results (25) Telephone electroacoustic tester verification procedure This regulation refers to the National Standard of the People's Republic of China GB/T 15279-1994 "Technical Conditions of Automatic Telephones" And the International Telecommunication Union Telecommunication Standardization Sector (ITU-T) Recommendation P.65 "Objective Instruments for Measuring Loudness Ratings" The relevant provisions in the JJG 869-1994 "Telephone Electroacoustic Tester" were revised.

1 Scope

This procedure is applicable to the stereotype identification, prototype test, first verification, subsequent verification and use of the telephone electroacoustic tester. In the test.

2 Citations

This procedure refers to the following documents. GB/T 6587.2-1986 "Electric measuring instrument temperature test" GB/T 6587.3-1986 "Electric measuring instrument humidity test" GB/T 6587.4-1986 "Electric measuring instrument vibration test" GB/T 6587.5-1986 "Electronic measuring instrument impact test" GB/T 6587.6-1986 "Electronic measuring instrument transport test" GB/T 6587.7-1986 "Basic safety test of electronic measuring instruments" GB/T 6593-1986 "Quality Inspection Rules for Electronic Measuring Instruments" GB/T 6833.2-1987 "Electrical Compatibility Instrument Electromagnetic Compatibility Test Specification --- Magnetic Field Sensitivity Test" GB/T 6833.4-1987 "Electrical Compatibility Instrument Electromagnetic Compatibility Test Specification---Power Transient Sensitivity Test Test GB/T 7614-1987 "Broadband analog ear for calibration of audio-visual headphones" GB/T 15279-1994 "Automatic telephone technical conditions" GB/T 15173-1994 "Acoustic Calibrator" SJ/T 10724-1996 "General technical conditions for testing condenser microphones" JJG 176-1995 "Acoustic Calibrator" JJG 175-1998 "Test Capacitor Microphone" JJF1015-2002 "General Specification for Type Evaluation and Type Approval of Measuring Instruments" JJF1016-2002 "Guidelines for the Preparation of Types of Measuring Instruments" ITU-TP.65 (03/1993) ObjectiveInstrumentationfortheDeterminationofLoudness Ratings ITU-TP.79 (10/2000) "Calculation ofLoudnessRatingsforTelephoneSets" When using this procedure, care should be taken to use the current valid version of the above cited documents.
......
Image     

Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of JJG 869-2002_English be delivered?

Answer: Upon your order, we will start to translate JJG 869-2002_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 JJG 869-2002_English with my colleagues?

Answer: Yes. The purchased PDF of JJG 869-2002_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.

Question 5: Should I purchase the latest version JJG 869-2002?

Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version JJG 869-2002 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically.