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GB/T 25106-2010 English PDF

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GB/T 25106-2010: Torsion balance
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PDF similar to GB/T 25106-2010


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Basic data

Standard ID GB/T 25106-2010 (GB/T25106-2010)
Description (Translated English) Torsion balance
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard N61
Classification of International Standard 17.060
Word Count Estimation 8,896
Date of Issue 2010-09-02
Date of Implementation 2010-12-01
Quoted Standard GB/T 191-2008; GB/T 2829-2002; GB/T 9969-2008; JJG 46-2004
Regulation (derived from) Announcement of Newly Approved National Standards No. 4 of 2010 (total 159)
Issuing agency(ies) General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary This standard specifies the basic parameters of the torsion balance, requirements, test methods, inspection rules, marking and packaging, transportation and storage. This standard applies to the lever arm and the main structure consists of flat leaf spring two kinds of coil springs and elastic components, relying on the balance arising from the elastic deflection torsion torsion balance measurements (hereinafter referred to as the balance).

GB/T 25106-2010: Torsion balance

---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.
Torsion balance ICS 17.060 N61 National Standards of People's Republic of China Torsion balance Issued on. 2010-09-02 2010-12-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

The standard proposed by China Machinery Industry Federation. The standard by the China Machinery Industry Federation. Drafting of this standard. Shanghai Precision Scientific Instrument Co., Ltd., a long Shaxiang balance Equipment Co., Ltd., Machinery Industry Instrument Instrumentation Technology and Economy Institute, Shanghai Ryohei Instrument Co., Ltd., China Instrument Industry Association Branch of laboratory equipment, lake Southern Province measurement Testing Institute. Participated in the drafting of this standard. Shaxiang long-Technology Co., Ltd., Shenyang Dragon Electronics Co., Ltd., Shanghai people have a bridge Precision Scientific Instrument Limited, Shanghai Shun Yuheng Scientific Instruments Co., Ltd., Shanghai Hai Jing Instrument Co., Ltd., Shanghai Measurement and Testing Technology Research Institute, Shenyang meter The amount of the Institute, Liaoning Academy and other measurement. The main drafters of this standard. Dong Li, Zhou Lingrong, Jinli Hui, Liang Hui, Wang Jialong, Zhong Xiaojun, a Bears fan, Zhang, return Jiangang, Wu Qun, Zhang Borong, Zhu Jun, Yang Xiuying, Chau Kam-piu, Deng Ai Qun, Feng Xiao L, Dai Fang, Di Ho. Torsion balance

1 Scope

This standard specifies the basic parameters of the torsion balance, requirements, test methods, inspection rules, logo and packaging, transportation and storage. This standard applies to the main structure by a lever arm and the flat coil springs and leaf spring two types of elastic components, relying on the elastic deflection angle produced Torsion balance to measure the torsion balance (hereinafter referred to as the balance).

2 Normative references

The following documents contain provisions which, through reference in this standard and become the standard terms. For dated references, subsequent Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to the agreement are based on research Whether the latest versions of these documents. For undated reference documents, the latest versions apply to this standard. GB/T 191-2008 Packaging - Pictorial signs (ISO 780.1997, MOD) GB/T 2829-2002 periodic inspection Sampling procedures and tables (suitable for process stability test) GB/T 9969-2008 General Industrial Product Manual JJG46-2004 torsion balance

3 balance of the basic parameters

3.1 Basic parameters Actual scale of the balance 3.1.1 In the balance mass units adjacent 2 shows the difference between the value of actual scale of the balance, by d. 3.1.2 balance verification scale Value of the verification scale value expressed in units of mass balance for the division level metering and verification, represented by e. 3.1.3 The actual scale interval d and the verification scale interval e provisions The actual scale interval d is equal to the verification scale interval e, it should take the form of 1 × 10k or 2 × 10k or 5 × 10k, where. k is a positive integer, Negative integer or zero. Maximum capacities and scale value 3.1.4 balance Maximum weighing and dividing the balance value should meet the requirements in Table 1. Table 1 milligrams Maximum capacity 5,102,550,100,250,500 1000 2500 Dividing the value 0.01 0.02 0.05 0.1 0.2 0.5 125 3.2 accuracy level By dividing the value of the balance and the number of divisions (ratio of maximum capacity and the scale value of the balance) division, the balance of level accuracy, indexing Number 500. Table 2 Maximum capacity mg temperature range Relative humidity less than 5 ~ 10 20 ± 2 25 ~ 50 20 ± 5 100 ~ 2500 20 ± 7 85

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