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JJF 1904-2021 English PDF

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JJF 1904-2021: Calibration Specification for Differential Accelerometer Amplifiers
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JJF 1904-2021English509 Add to Cart 4 days [Need to translate] Calibration Specification for Differential Accelerometer Amplifiers Valid JJF 1904-2021

PDF similar to JJF 1904-2021


Standard similar to JJF 1904-2021

JJF 1943   GB/T 36126   GB/T 1885   JJF 1070   JJF 1911   JJF 1903   

Basic data

Standard ID JJF 1904-2021 (JJF1904-2021)
Description (Translated English) Calibration Specification for Differential Accelerometer Amplifiers
Sector / Industry Metrology & Measurement Industry Standard
Classification of Chinese Standard A53
Word Count Estimation 22,237
Issuing agency(ies) State Administration for Market Regulation

JJF 1904-2021: Calibration Specification for Differential Accelerometer Amplifiers

---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 Differential Accelerometer Amplifiers National Metrology Technical Specifications of the People's Republic of China Calibration Specification for Differential Acceleration Sensor Amplifier Released on 2021-02-23 2021-08-23 implementation Issued by the State Administration for Market Regulation Differential acceleration sensor Amplifier calibration specification Focal point. National Technical Committee of Vibration, Shock and Rotational Speed Measurement Main drafting unit. The Fifth Institute of Electronics, Ministry of Industry and Information Technology Participating in the drafting unit. China Academy of Engineering Physics Jilin Institute of Metrology Beijing Lingxin Zhiyuan Technology Co., Ltd. This specification entrusts the National Technical Committee on Vibration, Shock and Rotational Speed Measurement to interpret The main drafters of this specification. Zheng Shuli (The Fifth Institute of Electronics, Ministry of Industry and Information Technology) Kan Fei (The Fifth Institute of Electronics, Ministry of Industry and Information Technology) Participating drafters. Bin He (China Academy of Engineering Physics) Yan Youyu (Jilin Institute of Metrology) Liu Yifei (Beijing Lingxin Zhiyuan Technology Co., Ltd.) Zhang Yi (The Fifth Institute of Electronics, Ministry of Industry and Information Technology)

table of Contents

Introduction (Ⅲ) 1 Scope (1) 2 Reference documents (1) 3 Term (1) 3.1 Transmission coefficient (1) 4 Overview (1) 5 Measurement characteristics (2) 5.1 Normalization error (2) 5.2 Gain error(2) 5.3 Non-linearity (2) 5.4 Amplitude-frequency characteristics (2) 5.5 Phase frequency characteristics (2) 5.6 Low-pass filter characteristics (2) 5.7 Noise floor (2) 5.8 Excitation voltage (2) 6 Calibration conditions (2) 6.1 Environmental conditions (2) 6.2 Standards or other equipment for calibration (2) 6.2.1 Signal generator(2) 6.2.2 Digital Voltmeter(2) 6.2.3 Dynamic signal analyzer (2) 7 Calibration items and calibration methods (2) 7.1 Calibration items (2) 7.2 Calibration method (2) 7.2.1 Appearance and normal working inspection (2) 7.2.2 Normalization error (3) 7.2.3 Gain error(3) 7.2.4 Non-linearity(4) 7.2.5 Amplitude-frequency characteristics (4) 7.2.6 Phase frequency characteristics (5) 7.2.7 Low-pass filter characteristics (5) 7.2.8 Noise floor(6) 7.2.9 Excitation voltage(6) 8 Calibration result expression (6) 8.1 Calibration record (6) 8.2 Calibration certificate (6) 9 Re-calibration interval (6) Appendix A A Differential Acceleration Sensor Simulator (7) Appendix B Recommended Format of Original Calibration Record (8) Appendix C Contents of Calibration Certificate (11) Appendix D Examples of Uncertainty Evaluation (15)

Introduction

This specification is based on JJF 1071 "Rules for the Compilation of National Metrology and Calibration Specifications", JJF 1001 "General Metrology Terms and Definitions" "Evaluation and Expression of Measurement Uncertainty" and JJF 1059.1 "Measurement Uncertainty Evaluation and Expression" are the basic series of specifications. The formulation of this specification refers to JJG233-2008 "Piezoelectric Accelerometer", JJG338-2013 "Charge Amplification Device", JJF 1156 "Terms and Definitions of Vibration and Shock Speed Measurement" and JJF 1269-2010 "Piezoelectric Integration Technical regulations such as "In-Circuit Sensor (IEPE) Amplifier Calibration Specification". This specification is released for the first time. Calibration Specification for Differential Acceleration Sensor Amplifier

1 Scope

This specification applies to the calibration of DC-excited differential acceleration sensor amplifiers (hereinafter referred to as amplifiers).

2 Reference documents

JJG338 charge amplifier JJF 1156 Vibration impact speed measurement terms and definitions JJF 1269 Piezoelectric integrated circuit sensor (IEPE) amplifier calibration specification For dated reference documents, only the dated version applies to this specification; for all undated references The latest version (including all amendments) is applicable to this specification.

3 Term

3.1 Transmission coefficient transmissioncoefficient The ratio of the output voltage of the amplifier to the input voltage.

4 overview

Amplifiers are widely used in signal adjustment of differential acceleration sensors such as piezoresistive and strain gauges. Amplifier pair plus The output signal of the speed sensor is amplified and adjusted. It is generally composed of a constant voltage DC excitation power supply, a servo feedback unit, It is composed of differential conversion stage, low-pass filter, amplifying unit and so on. Figure 1 is a typical amplifier for sensor signal conditioning block diagram. Figure 1 Block diagram of amplifier conditioning sensor signal

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