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JJF 2084-2023 English PDF

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US$769.00 · In stock
Delivery: <= 6 days. True-PDF full-copy in English will be manually translated and delivered via email.
JJF 2084-2023: Calibration Specification for Linear Accelerometers by Earth’s Gravitation
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
JJF 2084-2023	769	Add to Cart	6 days	Calibration Specification for Linear Accelerometers by Earth’s Gravitation	Valid

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Basic data

Standard ID: JJF 2084-2023 (JJF2084-2023)
Description (Translated English): Calibration Specification for Linear Accelerometers by Earth��s Gravitation
Sector / Industry: Metrology & Measurement Industry Standard
Word Count Estimation: 38,320
Date of Issue: 2023-10-12
Date of Implementation: 2024-04-12
Issuing agency(ies): State Administration for Market Regulation

JJF 2084-2023: Calibration Specification for Linear Accelerometers by Earth’s Gravitation

---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.
National Metrology Technical Specifications of the People's Republic of China Calibration specifications for gravity field normal accelerometers Released on 2023-10-12 Implemented on 2024-04-12 Released by the State Administration for Market Regulation Calibration specifications for gravity field normal accelerometers Responsible unit: National Inertial Technology Metrology Technical Committee Main drafting unit: China Aviation Industry Corporation Beijing Great Wall Measurement and Testing Technology Research Institute Chinese People's Liberation Army Factory 5718 Shenzhen AVIC Technical Testing Institute Co:, Ltd: Unit participating in the drafting: Zhejiang Leading Information Technology Co:, Ltd: Guangdong Institute of Metrology Huazhong University of Science and Technology The National Inertial Technology and Measurement Technical Committee is entrusted with the interpretation of this specification: The main drafters of this specification: Dong Xueming (Beijing Great Wall Measurement and Testing Technology Research Institute, Aviation Industry Corporation of China Institute) Guan Wei (No: 5718 Factory of the Chinese People's Liberation Army) Xing Xinting (Beijing Great Wall Measurement and Testing Technology Research Institute, Aviation Industry Corporation of China Institute) Wei Jufeng (Shenzhen AVIC Technical Inspection Institute Co:, Ltd:) Participating drafters: Huang Tengchao (Zhejiang Leading Information Technology Co:, Ltd:) Zhou Yingxi (Guangdong Institute of Metrology) Liu Jinquan(Huazhong University of Science and Technology)

Introduction(Ⅱ) 1 Scope(1) 2 Cited documents(1) 3 terms(1) 4 Overview(1) 5 Measuring characteristics(2) 5:1 Static measurement model(3) 5:2 Sensitivity of model equation coefficients (3) 5:3 Noise(3) 6 Calibration conditions(4) 6:1 Calibration environmental conditions (4) 6:2 Measurement standards and equipment (4) 7 Calibration items and calibration methods (5) 7:1 Calibration items(5) 7:2 Calibration method(5) 8 Calibration result expression(15) 9 Re-schooling time interval(16) Appendix A Example of measurement uncertainty assessment of gravity field normal accelerometer (17) Appendix B Calibration Certificate Inner Page Format (30)

Introduction

JJF 1001-2011 "General Measurement Terms and Definitions", JJF 1071-2010 "Compilation of National Measurement Calibration Specifications" Rules" and JJF 1059:1-2012 "Evaluation and Expression of Measurement Uncertainty" jointly form the basis for formulating this specification Series specifications: Linear accelerometers are widely used in various fields of the national economy: Combined with the actual situation of linear accelerometer calibration, refer to the national IEC 60747-14-4 "Semiconductor accelerometer" prepared by the International Electrotechnical Commission (IEC ) This specification is released for the first time: Calibration specifications for gravity field normal accelerometers

1 Scope

This specification specifies the calibration items and calibration methods of the gravity field normal accelerometer, which is suitable for single-sensitive axis acceleration: Calibration of the meter:

2 cited documents

This specification references the following documents: For dated references, only the dated version applies to this specification; for undated references, only the dated edition applies: The latest version (including all modification orders) shall apply to this specification:

3 terms

3:1 Gravity field method earth'sgravitationmethod Use the component of the standard gravity acceleration in the input axis direction of the linear accelerometer to be calibrated as input to calibrate the linear accelerometer: Methods: Changes in parameters such as offset or scaling factors caused by temperature changes in the accelerometer's working environment and temperature changes Quantity ratio: Changes in parameters such as offset or scaling factors caused by changes in the magnetic field in the accelerometer's working environment and changes in the magnetic field Quantity ratio: Changes in parameters such as bias or scaling factors caused by changes in air pressure in the accelerometer's working environment are related to changes in air pressure: Quantity ratio:

4 Overview

Linear accelerometers generally consist of sensitive masses, flexible supports and conversion circuits: Working principle for sensitive mass in A certain displacement is produced under the action of inertial force generated by external acceleration: This displacement is related to the input acceleration: Its physical model It can be simplified to: Md 2x dt2 dx dt Kx C=-Ma (1) In the formula: M---sensitive mass, kg; D---Damping provided by surrounding gas, N·s/m; K---Spring stiffness, N/m; ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of JJF 2084-2023_English be delivered?

Answer: Upon your order, we will start to translate JJF 2084-2023_English as soon as possible, and keep you informed of the progress. The lead time is typically 4 ~ 6 working days. The lengthier the document the longer the lead time.

Question 2: Can I share the purchased PDF of JJF 2084-2023_English with my colleagues?

Answer: Yes. The purchased PDF of JJF 2084-2023_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet.

Question 3: Does the price include tax/VAT?

Answer: Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countries

Question 4: Do you accept my currency other than USD?

Answer: Yes. If you need your currency to be printed on the invoice, please write an email to Sales@ChineseStandard.net. In 2 working-hours, we will create a special link for you to pay in any currencies. Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.