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JJF 1723-2018 English PDF

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JJF 1723-2018: Calibration Specification for AC & DC Resistance Simulators
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Basic data

Standard ID JJF 1723-2018 (JJF1723-2018)
Description (Translated English) Calibration Specification for AC & DC Resistance Simulators
Sector / Industry Metrology & Measurement Industry Standard
Classification of Chinese Standard A55
Word Count Estimation 18,195
Date of Issue 2018-12-25
Date of Implementation 2019-03-25
Regulation (derived from) State Administration of Markets, Announcement No. 34 of 2018
Issuing agency(ies) State Administration for Market Regulation

JJF 1723-2018: Calibration Specification for AC & DC Resistance Simulators

---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.
(AC/DC Transverse Resistor Calibration Specification) National Metrology Technical Specification AC/DC analog resistor calibration specification Published on.2018-12-25 2019-03-25 implementation State Market Supervisory Administration released AC and DC analog resistor Calibration specification AC Focal Point. National Electromagnetic Measurement Technical Committee Main drafting unit. Zhejiang Institute of Metrology Liaoning Institute of Metrology China Institute of Metrology Participated in the drafting unit. Changsha Tianheng Measurement and Control Technology Co., Ltd. Shanghai Lanstin Instrument Research Institute This specification entrusts the National Electromagnetic Measurement Technical Committee to explain The main drafters of this specification. Chen Zhiming (Zhejiang Institute of Metrology) Liang Guoding (Liaoning Institute of Metrology) Wang Wei (China Institute of Metrology) Participate in the drafters. Zheng Mengxia (Zhejiang Institute of Metrology) Zhou Xinhua (Changsha Tianheng Measurement and Control Technology Co., Ltd.) Zhu Qingfa (Shanghai Lansting Instrument Research Institute) Li Songyang (Liaoning Institute of Metrology)

table of Contents

Introduction (II) 1 Scope (1) 2 References (1) 3 Overview (1) 4 Measurement characteristics (1) 4.1 Analog Resistance (1) 4.2 Current (2) 5 Calibration conditions (2) 5.1 Environmental conditions (2) 5.2 Measurement standards and other equipment (2) 6 Calibration items and calibration methods (2) 6.1 Calibration Project (2) 6.2 Calibration Method (2) 7 Calibration result expression (5) 8 re-study interval (6) Appendix A Example of Uncertainty Evaluation of AC/DC Analog Resistor Resistance Measurement (7) Appendix B Calibration Original Record Format (9) Appendix C Calibration Certificate Page Format (11)

Introduction

This specification is based on JJF 1071-2010 "Rules for the Preparation of National Metrology Calibration Specifications" and JJF 1059.1-2012 Compilation of Measurement Uncertainty and Representation. This specification is the first release. AC/DC analog resistor calibration specification

1 Scope

This specification applies to the calibration of DC, power frequency AC active analog resistors with current (0.1A~1kA).

2 reference files

This specification refers to the following documents. JJG166 DC Resistors JJG982 DC resistance box JJF 1587 Digital Multimeter Calibration Specification JJF 1636 AC Resistance Box Calibration Specification For dated references, only dated versions apply to this specification; undated quotations The latest version (including all amendments) applies to this specification.

3 Overview

AC/DC analog resistor (hereinafter referred to as “analog resistor”) is an active four-terminal standard resistor commonly used. For the measurement of resistance measuring instruments or other relevant parameters. Based on Ohm's law, based on input test current I Generate a voltage signal corresponding to the standard resistor R0, actually a current-to-voltage converter, analog resistor R and standard The resistor R0 satisfies the following relationship. R = R0/K, where K is the ratio of the current (voltage) conversion means. The block diagram of the analog resistor is shown in Figure 1 (a), (b). Analog resistors are mainly converted by current (voltage) The device and the passive standard resistor are divided into a current type active analog resistor and a voltage type active analog power. Resistor. (a) Current type active analog resistor (b) Voltage type active analog resistor Figure 1 Block diagram of analog resistor

4 Measurement characteristics

4.1 Analog resistor Measuring range. 1μΩ~200Ω;

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