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JJF 1457-2014 English PDF

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JJF 1457-2014: Calibration Specification for Cable Testers
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Basic data

Standard ID JJF 1457-2014 (JJF1457-2014)
Description (Translated English) Calibration Specification for Cable Testers
Sector / Industry Metrology & Measurement Industry Standard
Classification of Chinese Standard A55
Classification of International Standard 17.220
Word Count Estimation 22,243
Date of Issue 4/21/2014
Date of Implementation 7/21/2014
Quoted Standard JJF 1001-2011; GB 4793.1-2007; GB/T 6587-2012
Regulation (derived from) The State Administration of Quality Supervision, Inspection and Quarantine Notice No. 47 of 2014
Issuing agency(ies) General Administration of Quality Supervision, Inspection and Quarantine
Summary This Standard specifies the inter-voltage, insulation resistance, DC resistance of the cable, wire cable tester calibration test various weak cable capacitance (or harness) frequency AC resistance. This Standard does not apply to cable tester calibration

JJF 1457-2014: Calibration Specification for Cable Testers

---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.
Calibration Specification for Cable Testers People's Republic of China National Metrology Technical Specifications Cable tester calibration specification Issued on. 2014-04-21 2014-07-21 implementation The State Administration of Quality Supervision, Inspection and Quarantine released Cable tester calibration specification CalibrationSp Focal point. the National Technical Committee on Electromagnetic measurement Main drafting unit. Dongguan, Guangdong Province Institute of Metrology Institute of Metrology Guangdong Provincial Institute of Metrology Participated in the drafting unit. Changzhou Institute of Measurement and Testing Technology Changzhou Tonghui Electronic Co., Ltd. This specification commissioned the National Technical Committee Electromagnetic responsible for the interpretation of measurement The main drafters of this specification. Li Chunlong (Dongguan, Guangdong Province Institute of Metrology Institute of Metrology) He Hongbo (Dongguan, Guangdong Province Institute of Metrology Institute of Metrology) MDA in (the Guangdong Provincial Institute of Metrology) Drafters participate. Li Xin (Institute of Measurement and Testing Technology, Changzhou) Wen Meilan (Institute of Measurement and Testing Technology, Changzhou) Wang Hengbin (Changzhou Tonghui Electronic Co., Ltd.) Ye Junjiang (Dongguan, Guangdong Province Institute of Metrology Institute of Metrology)

table of Contents

Introduction (Ⅱ) 1 Scope (1) 2. References (1) 3 terminology and units of measurement (1) 3.1 Test Interface (1) 4 Overview (1) 5 Metrological characteristics (2) 5.1 AC withstand voltage (2) 5.2 Insulation Resistance (2) 5.3 Cable DC resistance (2) Line capacitance between 5.4 (2) Calibration Condition 6 (2) 6.1 environmental conditions (2) 6.2 Calibration with a standard device and other equipment (2) 7 calibration items and calibration methods (3) 7.1 calibration items (3) 7.2 Calibration method (4) 8 calibration results expression (8) 8.1 calibration certificate (8) 8.2 Calibration results of data processing (9) 9 Recalibration interval (9) Appendix A Measurement Uncertainty Example (10) Appendix B Calibration original record format (12) Appendix C calibration certificate page format (14)

Introduction

This specification based JJF 1001-2011 "common measurement terms and definitions", JJF 1059.1-2012 "measurement is not Determine the evaluation and expression ", JJF 1071-2010" National Calibration Specifications writing rules "Prepared. This specification is the first release. Cable tester calibration specification

1 Scope

This instruction applies to test a variety of weak cable (or harness) frequency AC withstand voltage, insulation resistance, DC cable Resistance, the line cable tester calibration capacitance. This specification does not apply to high-frequency characteristics of the test cables Cable Tester calibration. 2. References This specification refers to the following documents. JJF 1001-2011 common measurement terms and definitions GB 4793.1-2007 measurement, control and laboratory safety requirements for electrical equipment - Part 1. General Claim GB/T 6587-2012 General specification for electronic measuring instruments For dated references, only the dated edition applies to this specification; undated reference documents Member, the latest edition (including any amendments) applies to this specification.

3 terminology and units of measurement

3.1 Test Interface testport Cable splice connection test interface, a plurality of internal test pin contacts.

4 Overview

Between cable tester for testing a variety of cable AC power frequency withstand voltage, insulation resistance, DC resistance of the cable and wire Capacitors, through automatic scanning method to quickly and efficiently test the performance of a variety of cable, to improve efficiency and The purpose of reducing the intensity of the work. FIG. 1 a block diagram of cable tester

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