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JJG 983-2003 English PDF

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JJG 983-2003: Verification Regulation of Verifying Instrument for Single and Dispersion Controlled Centrally Telephone Accounter
Status: Valid

Standard ID	Contents [version]	USD	STEP2	[PDF] delivered in	Standard Title (Description)	Status	PDF
JJG 983-2003	English	339	Add to Cart	3 days [Need to translate]	Verification Regulation of Verifying Instrument for Single and Dispersion Controlled Centrally Telephone Accounter	Valid	JJG 983-2003

PDF similar to JJG 983-2003

Standard similar to JJG 983-2003

GB/T 3222.1 JJF 1234 JJF 1396 JJG 802 JJG 488 JJG 238

Basic data

Standard ID	JJG 983-2003 (JJG983-2003)
Description (Translated English)	Verification Regulation of Verifying Instrument for Single and Dispersion Controlled Centrally Telephone Accounter
Sector / Industry	Metrology & Measurement Industry Standard
Classification of Chinese Standard	A57
Word Count Estimation	13,135
Date of Issue	2003-11-24
Date of Implementation	2004-02-24
Quoted Standard	JJF 1001-1998; JJF 1059-1999; JJG 107-2002; GB/T 15279-1994; YD/T 1004-1999
Issuing agency(ies)	State Administration of Quality Supervision, Inspection and Quarantine
Summary	This standard applies to a variety of stand-alone and centralized management of decentralized telephone billing Calibrator (hereinafter referred to as Calibrator) the first test, the follow-up test and in-service inspection.

JJG 983-2003: Verification Regulation of Verifying Instrument for Single and Dispersion Controlled Centrally Telephone Accounter

---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 Verifying Instrument for Single and Dispersion Controlled Centrally Telephone Accounter National Metrology Verification Regulations of the People's Republic Released on.2003-11-24 2004-02-24 implementation The General Administration of Quality Supervision, Inspection and Quarantine issued Stand-alone and centralized management Telephone meter verification instrument verification procedure honeAccounter This regulation was approved by the General Administration of Quality Supervision, Inspection and Quarantine on November 24,.2003, and Implemented on February 24,.2004. Focal Point. National Time Frequency Measurement Technical Committee Main drafting unit. Liaoning Institute of Metrology Participated in drafting unit. Shanghai Institute of Metrology and Testing Technology Hunan Institute of Metrology and Testing Technology Hangzhou Jinshuo Technology Development Co., Ltd. This procedure entrusts the National Time Frequency Measurement Technical Committee to explain The main drafters of this procedure. Sun Jialin (Liaoning Institute of Metrology) Yan Xiaoju (Liaoning Institute of Metrology) Participate in the drafters. Zhu Genfu (Shanghai Institute of Metrology and Testing Technology) Peng Zhengliang (Hunan Institute of Metrology and Testing Technology) Sun Yinhai (Hangzhou Jinshuo Technology Development Co., Ltd.)

1 Scope (1) 2 Citations (1) 3 Overview (1) 4 Metrology performance requirements (1) 4.1 Internal Crystal Frequency Accuracy A (1) 4.2 Output time interval T (1) 4.3 issue characteristics (1) 4.4 Storage Rate and Billing Amount (1) 4.5 Output Feed Voltage, Current and Maximum Allowable Error (1) 4.6 Electrical Characteristics (1) 5 General technical requirements (2) 5.1 Appearance and logo (2) 5.2 Function (2) 6 measuring instrument control (2) 6.1 Verification conditions (2) 6.2 Verification equipment (2) 6.3 Verification project (2) 6.4 Verification method (2) 6.5 Processing of verification results (4) 6.6 Verification cycle (4) Appendix A Technical Requirements for Numbering (5) Appendix B Verification method of electrical performance indicators (6) Appendix C Verification Certificate (inside page) format (7) Stand-alone and centralized management Telephone meter verification instrument verification procedure

1 Scope

This procedure is applicable to all kinds of single-type and centralized management decentralized telephone meter verification instruments (hereinafter referred to as the verification instrument) First verification, follow-up verification and in-use inspection.

2 Citations

This procedure refers to the following documents. JJF1001-1998 General Terms and Definitions JJF1059-1999 "Measurement and Expression of Measurement Uncertainty" JJG 107-2002 "Single-type and centralized management of decentralized billing telephone timing meter" verification procedures GB/T 15279-1994 "Automatic telephone technical conditions" YD/T 1004-1999 "Technical requirements and test methods for multi-channel telephone billing system" When using this procedure, care should be taken to use the current valid version of the above cited documents.

3 Overview

The calibration instrument is used for verification of single-type and centralized management of distributed billing type telephone timing meter (hereinafter referred to as billing) Special instrument for the device). The internal design of the analog program-controlled switching circuit, using the microprocessor for timing and control, can The standard billing signal is outputted, and the verification of the meter is completed by comparing with the meter.

4 Metrological performance requirements

4.1 Internal crystal frequency accuracy A. 5 × 10-5. 4.2 Output time interval T. Range. 0.1s~1200s, Step interval. 0.1s, Maximum allowable error. ± (T × A 0.1) s. 4.3 Issue characteristics. See Appendix A. 4.4 Storage Rate and Billing Amount The storage rate and billing amount of the verifier should be exactly the same as those of the local price department or the competent department of the industry. 4.5 Output feed voltage, current and maximum allowable error The feed voltage is 48V and the maximum allowable error is ±1V; Feed current range. 10mA~40mA, the maximum allowable error is ±1mA. 4.6 Electrical characteristics 4.6.1 Maximum allowable error of intervention attenuation. ±0.1dB. 4.6.2 Maximum allowable error of frequency response. ±0.1dB. 4.6.3 Maximum allowable error of insulation resistance. ±10%.

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