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JJF 1876-2020 English PDF

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JJF 1876-2020: Calibration Specification for Waveform Recorders
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JJF 1876-2020English509 Add to Cart 4 days [Need to translate] Calibration Specification for Waveform Recorders Valid JJF 1876-2020

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Basic data

Standard ID JJF 1876-2020 (JJF1876-2020)
Description (Translated English) Calibration Specification for Waveform Recorders
Sector / Industry Metrology & Measurement Industry Standard
Classification of Chinese Standard A56
Classification of International Standard 17.220
Word Count Estimation 22,257
Date of Issue 2020-11-26
Date of Implementation 2021-05-26
Quoted Standard JJF 1057; GB/T 15289; IEEE STD 1057
Regulation (derived from) Announcement No. 57 (2020) of the State Administration for Market Regulation
Issuing agency(ies) State Administration for Market Regulation
Summary This standard applies to the calibration of voltage measurement waveform recorders with a voltage range of 5 mV to 1 000 V and a frequency range of DC to 2 MHz.

JJF 1876-2020: Calibration Specification for Waveform Recorders

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Calibration Specification for Waveform Recorders National Metrology Technical Specifications of the People's Republic of China Waveform recorder calibration specification 2020-11-26 release 2021-05-26 implementation Issued by the State Administration for Market Regulation Waveform recorder calibration specification Focal point: National Radio Metrology Technical Committee Main drafting unit: Guangdong Institute of Metrology Dongguan Institute of Metrology, Guangdong Academy of Metrology Participated in the drafting: Liaoning Institute of Metrology Hioki (Shanghai) Trading Co:, Ltd: This specification entrusts the National Radio Measurement Technical Committee to be responsible for interpretation The main drafters of this specification: Chang Zhifang (Guangdong Institute of Metrology) Zhang Nan (Dongguan Institute of Metrology, Guangdong Academy of Metrology) Liu Wengang (Guangdong Institute of Metrology) Participating drafters: Chen Yisheng (Guangdong Institute of Metrology) Li Yongtao (Dongguan Institute of Metrology, Guangdong Academy of Metrology) Song Hao (Liaoning Institute of Metrology) Li Ruifeng [Nikki (Shanghai) Trading Co:, Ltd:]

table of Contents

Introduction (Ⅱ) 1 scope (1) 2 Reference documents (1) 3 Overview (1) 4 Measurement characteristics (1) 4:1 DC voltage(1) 4:2 AC voltage(1) 4:3 Time base(1) 4:4 Bandwidth(1) 4:5 Input resistance (1) 4:6 DC gain(2) 4:7 Length of recording time (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 Appearance and working normality inspection (3) 6:2 DC voltage(3) 6:3 AC voltage(4) 6:4 Time base(4) 6:5 Bandwidth(5) 6:6 Input resistance(5) 6:7 DC gain(5) 6:8 Length of recording time(6) 7 Expression of calibration results (6) 8 Recalibration interval (7) Appendix A Original Record Format (8) Appendix B: Internal page format of calibration certificate (10) Appendix C Example of Uncertainty Evaluation (12)

Introduction

This specification is based on JJF 1071-2010 "Rules for the Compilation of National Metrology and Calibration Specifications" and JJF 1059:1-2012 "Evaluation and Expression of Measurement Uncertainty" was compiled: This specification refers to JJF 1057 "Digital Storage Oscilloscope Calibration Specification", GB/T 15289 "Digital Storage Oscilloscope General Specification for Digital Waveform Recorder" and IEEEStd1057 "IEEE Standard for Digital Waveform Recorder": This specification is released for the first time: Waveform recorder calibration specification

1 Scope

This specification applies to voltage measurement types with a voltage range of 5mV~1000V and a frequency range of DC~2MHz Calibration of the waveform recorder:

2 Reference documents

This specification refers to the following documents: JJF 1057 Calibration Specification for Digital Storage Oscilloscope GB/T 15289 General Specification for Digital Storage Oscilloscope IEEEStd1057 Digital Waveform Recorder IEEE Standard (IEEEStandardforDigitizing WaveformRecorders) For dated reference documents, only the dated version applies to this specification; for undated references The latest version (including all amendments) is applicable to this specification:

3 overview

Waveform recorder is a comprehensive instrument that measures voltage and records electrical parameters: Its types can be divided into analog Waveform recorder and digital wave recorder: The analog waveform recorder uses an analog stylus to record measurements on a recording paper: Measured data: The digital waveform recorder stores the measured waveform data in the recorder: After recording, the recorded waveform and data can be called out: Waveform recorders are widely used in electricity, electronics, and traffic safety Industry fields such as monitoring and environmental monitoring:

4 Measurement characteristics

4:1 DC voltage Measuring range: ± (5mV~1000V); Maximum allowable error: ± (0:25%FS~1%FS): 4:2 AC voltage Measuring range: 5mV~1000V (peak-peak); Maximum allowable error: ±(0:5%FS~3%FS): 4:3 Time base Maximum allowable error: ±1×10-6: 4:4 Bandwidth Frequency range: ≤2MHz (-3dB): 4:5 Input resistance Range: 50Ω~100MΩ;

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