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GB/T 25107-2010: Mechanical balance
Status: Valid
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 25107-2010 | English | 229 |
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Mechanical balance
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GB/T 25107-2010
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Basic data | Standard ID | GB/T 25107-2010 (GB/T25107-2010) | | Description (Translated English) | Mechanical balance | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | N61 | | Classification of International Standard | 17.060 | | Word Count Estimation | 10,152 | | 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; GB/T 11606-2007; JJG 98-2006 | | 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 mechanical balance of the classification and basic parameters, requirements, test methods, inspection rules, marking and packaging, transportation and storage. This standard applies to the use of leverage quality mechanical balance test substance (hereinafter referred to as the balance). This standard does not apply to the vacuum balance, heat balance, remote scales, automatically recorded on the balance pan style with balance and according to the agreement made ??in the balance. | GB/T 25107-2010: Mechanical 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.
Mechanical balance
ICS 17.060
N61
National Standards of People's Republic of China
Mechanical Balances
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., Shenyang measurement RESEARCH
Studies, China Instrument Industry Association Branch of laboratory equipment, machinery and Instrumentation Technology and Economy Institute, Shenyang Dragon Electronics
Ltd., Ping Long Xiangjiang Technology Development Co., Ltd. Shanghai Ryohei Instrument.
Participated in the drafting of this standard. Shanghai Measurement and Testing Technology Research Institute, Shanghai Hai Jing Instrument Co., Ltd., Shanghai Shunyu Heng-Scientific Instrument
Co., Ltd, Shanghai Precision Scientific Instrument Co., Ltd. China Bridge, Hunan Institute of Metrology detection, Liaoning Provincial Institute of Metrology, Changzhou Fu month
Limited weight.
The main drafters of this standard. Dong Li, Zhou Lingrong, Yang Xiuying, Wang Jialong, Jinli Hui, Zhang Xiong Yi-fan, Li Shanghai warehouse, Zhu Jun, Zhang Borong,
Wu Qun, owned by Jiangang, Feng Xiao L, Zhong Xiaojun, Chau Kam-piu, Xin Xiu month, Oi Kwan Deng Dai Fang.
Mechanical Balances
1 Scope
This standard specifies the classification and basic parameters of the mechanical balance, requirements, test methods, inspection rules, logo and packaging, transportation and storage.
This standard applies to the use of leverage mechanical balance quality test substance (hereinafter referred to as the balance).
This standard does not apply to vacuum balance, heat balance, balance remote control, and automatically recorded on the balance-loading balance and according to the agreement made 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
GB/T 11606-2007 analytical instruments environmental test methods
JJG98-2006 Mechanical Balances
3 Classification and basic parameters of balance
3.1 Classification
3.1.1 scales according to the structure can be divided into single and double-disc balance disc balance.
3.1.2 scales can be divided according to classification scale differential scale scales, digital scales balance and the balance of ordinary ruler.
3.2 Basic parameters
Actual scale of the balance 3.2.1
Expressed in units of mass balance of the difference between two adjacent values \u200b\u200bshown for the actual scale of the balance, by d.
3.2.2 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. It should take
In the form of 1 × 10k or 2 × 10k or 5 × 10k, where. k is a positive integer, negative integer or zero.
3.2.3 The actual scale interval d and the verification scale interval e provisions
3.2.3.1 graduated, no micro-scale reading mechanism, verification scale interval e equal to the actual scale interval d.
3.2.3.2 graduated, there are micro-scale reading mechanism, verification scale interval e chosen by the manufacturer in accordance with Table 1 (at the same time should meet d≤e
≤10d).
3.3 accuracy level
3.3.1 scales its verification scale interval e and verification scale intervals n (the balance of the maximum capacity Max and the verification scale interval e ratio), divided into lower
Column two accuracy levels.
a) Special accuracy grade ○ Ⅰ;
b) high accuracy level ○ Ⅱ.
3.3.2 Accuracy level with e, n relations should be consistent with the provisions in Table 1.
3.3.3 above belong to the accuracy level of balance, according to the verification scale intervals n subdivided into 2 meter accuracy level.
3.4 Normal operating conditions
3.4.1 scales work correctly when the indoor temperature, relative humidity should be in accordance with Table 3.
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