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JJF 1587-2016 English PDF

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JJF 1587-2016: Calibration Specification for Multimeters
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Basic data

Standard ID JJF 1587-2016 (JJF1587-2016)
Description (Translated English) Calibration Specification for Multimeters
Sector / Industry Metrology & Measurement Industry Standard
Classification of Chinese Standard A55
Word Count Estimation 21,220
Date of Issue 2016-11-25
Date of Implementation 2017-05-25
Older Standard (superseded by this standard) JJG 315-1983; JJG 598-1989; JJG 724-1991
Regulation (derived from) State Administration of Quality Supervision, Inspection and Quarantine Notice No.116 of 2016
Issuing agency(ies) General Administration of Quality Supervision, Inspection and Quarantine

JJF 1587-2016: Calibration Specification for Multimeters

---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 Multimeters National Metrological Technical Code of the People's Republic of China Digital Multimeter Calibration Specification 2016-11-25 release 2017-05-25 implementation State Administration of Quality Supervision, Inspection and Quarantine issued Digital Multimeter Calibration Specification Instead of JJG315-1983 JJG598-1989 JJG724-1991 Unit. National Electromagnetic Metrology Technical Committee The main drafting unit. China Institute of Metrology Participated in the drafting unit. Henan Institute of Metrology Shandong Institute of Metrology Liaoning Institute of Metrology Shandong Electric Power Research Institute This specification entrusts the National Electromagnetic Metrology Technical Committee to explain The main drafters of this specification. Liu Yue (China Institute of Metrology) Participate in the drafters. Zhao honggang (China Institute of Metrology) Chen Qingping (Henan Institute of Metrology) Ma Xuefeng (Shandong Institute of Metrology) Liang Guoding (Liaoning Institute of Metrology) Fan Qiaocheng (Shandong Electric Power Research Institute) Zhao Ya-ting (China Institute of Metrology)

table of Contents

Introduction (II) 1 Scope (1) 2 References (1) 3 terms and units of measurement (1) 3.1 indication error (1) 3.2 Input Zero Current (1) 3.3 Input Impedance (1) 3.4 Voltage frequency product (1) 4 Overview (1) 5 Metrological characteristics (2) 5.1 Indication error (2) 5.2 Maximum permissible error (2) 6 Calibration conditions (2) 6.1 Environmental conditions (2) 6.2 Measurement standards and other equipment (3) 7 Calibration items and calibration methods (3) 7.1 Calibration items (3) 7.2 Calibration method (4) 8 Calibration results (9) 9 re-school time interval (9) Appendix A Examples of Measurement Uncertainty Evaluation (10) Appendix B Calibrate Original Record Format (12) Appendix C Calibration Certificate Inside Page Format (14)

Introduction

This specification is based on JJF 1071-2010 "National Metrological Calibration Rules", JJF 1059.1-2012 "Measurement Uncertainty Assessment and Representation". This specification replaces JJG315-1983 "DC digital voltmeter", JJG598-1989 "DC digital ammeter" And JJG724-1991 "DC digital ohmmeter". Compared with JJG315-1983, JJG598-1989 and JJG724-1991, the main changes are as follows. - merged JJG315-1983, JJG598-1989 and JJG724-1991, and rewritten the number of more The calibration contents of the DC voltage, DC current and DC resistance measurement functions of the table; --- Added digital multimeter AC voltage and AC current measurement function of the calibration content. Digital Multimeter Calibration Specification

1 Scope

This specification applies to DC voltage, DC current, DC resistance, AC voltage and AC current measurement function The digital multimeter (hereinafter referred to as the digital table) is also suitable for applications with the above-mentioned single measurement function or combined measurement Function of the instrument calibration. The specification of AC and DC voltage measurement limit of 1000V, AC and DC current measurement limit of 100A, resistance measurement The upper limit of 10GΩ, AC voltage frequency range of 10Hz ~ 1MHz, AC current frequency range of 10Hz ~ 10kHz.

2 reference file

This specification refers to the following documents. Digital Multimeter. GB/T 13978-2008 For dated references, only the dated edition applies to this specification; references that are not dated , The latest version (including all modifications) applies to this specification.

3 terms and units of measurement

3.1 error error The difference between the indication value of the digital table and the reference value (standard value) of the corresponding input amount. 3.2 Input zero current inputoffsetcurrent When the input signal is zero, the input circuit in the digital table is caused by the internal current caused by the digital meter. 3.3 input impedance inputimpedance The impedance of the input circuit measured between the input terminals of the instrument under operating conditions. 3.4 Voltage frequency product V · Hzvolt-herzproduct The product of the square root value (V) of the AC voltage and its frequency (Hz).

4 Overview

The digital meter is used to measure the voltage (and/or current, resistance) and display the measured value in decimal Multi-limit, multi-function measuring instruments. DC voltage function is the basis of DC current and DC resistance function. The DC current is measured by DC current - Voltage converter, the amount of current converted into the amount of voltage measurement to achieve. The DC resistance is measured by electricity Resistance - voltage converter, the amount of resistance will be converted into voltage measurement method to achieve. AC voltage measurement is passed AC-DC converter, the AC voltage will be converted to DC voltage to achieve. AC current measurement is done by crossing Current-to-voltage converter, the amount of current converted into the amount of voltage measurement to achieve. Digital table by the display bit is divided into three and a half, four and a half, five and a half, six and a half, seven and a half, eight and a half The first show less than nine said half position).

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