JJF 1469-2014 English PDF

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JJF 1469-2014: Calibration Specification for Measuring Instrumentations for Strain Gauge Transducer
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
JJF 1469-2014	369	Add to Cart	3 days	Calibration Specification for Measuring Instrumentations for Strain Gauge Transducer	Valid

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Basic data

Standard ID: JJF 1469-2014 (JJF1469-2014)
Description (Translated English): Calibration Specification for Measuring Instrumentations for Strain Gauge Transducer
Sector / Industry: Metrology & Measurement Industry Standard
Classification of Chinese Standard: A53
Classification of International Standard: 17.100
Word Count Estimation: 16,178
Date of Issue: 8/1/2014
Date of Implementation: 11/1/2014
Quoted Standard: JJG 144-2007
Regulation (derived from): AQSIQ Notice 2014 No. 89
Issuing agency(ies): General Administration of Quality Supervision, Inspection and Quarantine
Summary: This Standard is applicable to a measurement indicator strain bridge voltage ratio function, measuring range (-100 ~ + 100) mV/V strain gauge sensors or measuring amplifier (hereinafter collectively referred to as gauge) calibration.

JJF 1469-2014: Calibration Specification for Measuring Instrumentations for Strain Gauge Transducer

---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 Measuring Instrumentations for Strain Gauge Transducer People's Republic of China National Metrology Technical Specifications Strain gauge calibration sensor specifications Issued on. 2014-08-01 2014-11-01 implementation The State Administration of Quality Supervision, Inspection and Quarantine released Strain gauge sensor Calibration Specification Focal point. the National Technical Committee on Metering hardness force value The main drafting units. China Testing Technology Research Institute Zhejiang Institute of Metrology Participated in the drafting unit. Beijing Aerospace Measurement and Testing Technology Research Institute Beijing Great Wall Institute of Measurement and Testing Technology Beijing Hong Fu Hao Instrument Co., Ltd. This specification entrust national force value hardness measurement technical committee responsible for the interpretation The main drafters of this specification. Tangchun Qian (China Testing Technology Research Institute) Felli Ping (Zhejiang Institute of Metrology) Tang Yun (China Testing Technology Research Institute) Yin Xu Jie (China Testing Technology Research Institute) Drafters participate. Mei Hongwei (Beijing Aerospace Measurement and Testing Technology Research Institute) Chen Ke row (Beijing Great Wall Institute of Measurement and Testing Technology) Liu Yihong (Beijing Hong Fu Hao Instrument Co., Ltd.)

table of Contents

Introduction (Ⅲ) 1 Scope (1) 2. References (1) 3 Terms and Definitions (1) 3.1 DC excitation type measuring instrument (1) 3.2 ac excitation measuring device (1) 4 Overview (1) 5 Metrological characteristics (1) 5.1 Appearance and Accessories (1) 5.2 Technical Specifications (1) Calibration Condition 6 (2) 6.1 environmental conditions (2) 6.2 Measurement Standards (2) 6.3 Connecting preheating (2) 7 calibration items and calibration methods (3) 7.1 appearance and attachment checking (3) 7.2 Calibration metrological characteristics (3) 8 calibration results expression (5) 9 Recalibration interval (5) Appendix A calibration uncertainty assessment (6) B Shape calibration certificate calibration results page appendix (10)

Introduction

This specification prepared in accordance with the rules JJF 1071-2010 "National Calibration Specifications writing rules" given. This specification based JJF 1059.1-2012 "Evaluation and Expression of Uncertainty in Measurement" method gives results of calibration Measurement uncertainty assessment and said the combined calibration method and calibration examples of the present specification developed for measuring instrument Standard uncertainty components and combined standard uncertainty of each factor is shown calibrated value due to assess, given Calibration standard uncertainty component summary (see Appendix A). This specification is the first release. Strain gauge calibration sensor specifications

1 Scope

This instruction applies to having a measurement indicator strain bridge voltage ratio function, measuring range (-100 ~ 100) mV/V strain gauge sensor or a measuring amplifier (hereinafter referred to as meter) calibration. 2. References This specification refers to the following documents. JJG144-2007 standard dynamometer 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 Terms and Definitions

The following terms and definitions apply to this specification. 3.1 DC excitation type measuring instrument measuringinstrumentwithdirectcurrentexciting It can provide a measured DC excitation voltage and measuring the strain bridge voltage ratio (mV/V) to the strain sensor Meter. 3.2 ac excitation measuring device measuringinstrumentwithalternatingcurrentexciting It can provide a certain frequency of the AC excitation voltage and measuring the strain bridge voltage ratio (mV/V) to the strain sensor The measuring instrument.

4 Overview

Gauges generally have to provide AC or DC excitation voltage and measure the strain gage bridge strain sensor Secondary voltage ratio (mV/V) functions, mainly used for various forces, weighing, torque, pressure, strain sensor Aid measure.

5 Metrological characteristics

5.1 Appearance and Accessories 5.1.1 The meter should model and serial number, manufacturer name, date of production, input and output, and power wiring requirements Labeling requirements. 5.1.2 The meter should be equipped with sensors connected to the plug socket and cable accessory, or receptacle connector port there should Movies Affect its performance defects or mechanical damage figures should be clear and complete. 5.1.3 should provide guidance on the operation of the instruction manual or other technical information, which should include the power supply, and the sensor Connection mode, environmental conditions, temperature coefficient, resolution and other technical parameters. 5.2 Technical Specifications Gauge levels of technical indicators generally be given in Table 1. ......

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