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GB/T 21153-2007 English PDF

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GB/T 21153-2007: Earth-moving machinery -- Units for dimensions, performance and capacities, and their measurement accuracies
Status: Valid

Standard ID	Contents [version]	USD	STEP2	[PDF] delivered in	Standard Title (Description)	Status	PDF
GB/T 21153-2007	English	139	Add to Cart	2 days [Need to translate]	Earth-moving machinery -- Units for dimensions, performance and capacities, and their measurement accuracies	Valid	GB/T 21153-2007

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Basic data

Standard ID	GB/T 21153-2007 (GB/T21153-2007)
Description (Translated English)	Earth-moving machinery -- Units for dimensions, performance and capacities, and their measurement accuracies
Sector / Industry	National Standard (Recommended)
Classification of Chinese Standard	P97
Classification of International Standard	53.100
Word Count Estimation	5,514
Date of Issue	2007-11-01
Date of Implementation	2008-01-01
Adopted Standard	ISO 9248-1992, MOD
Regulation (derived from)	China National Standard Approval Announcement2007 No.12 (Total No.112)
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 measurement GB/T8498 defined earthmoving machinery machine size, benchmark performance and parameters of the unit when used, symbols and accuracy.

GB/T 21153-2007: Earth-moving machinery -- Units for dimensions, performance and capacities, and their measurement accuracies

---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.
Earth-moving machinery. Units for dimensions, performance and capacities, and their measurement accuracies ICS 53.100 P97 National Standards of People's Republic of China Earthmoving machinery size, performance and parameters Units and measurement accuracy (ISO 9248.1992, MOD) Posted 2007-11-01 2008-01-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

This revised standard adopts ISO 9248.1992 "moving machinery size, performance and parameters of units and the measurement accuracy" (in English). This standard is based on ISO 9248.1992 re-drafted. This standard is based on the actual application and taking into account China's national conditions, in the use of ISO 9248.1992 when some modifications. These techniques Operation of a single vertical line identifies the differences in terms of which they are involved in the margin. This standard and ISO 9248.1992 Existing technical difference Differences are as follows. --- Chapter 2 adds a reference standard GB/T 8170; --- To ISO 9248.1992 is referenced in ISO 6165. 1987, use has been adopted as the equivalent of our country GB/T 8498-1999 instead; --- Deleted Table 1 "Note 1" content; --- ISO 9248.1992 Table 1 angle, Celsius temperature and frequency as the basic units, the standard according to GB 3100-1993 "International Single Bit Systems and Their Applications "(eqv ISO 1000.1992) requirements as derived units. For ease of use, this standard also made the following editorial changes. --- "This International Standard" be replaced by "this standard"; --- Instead of using the decimal point as a decimal point ",". ","; --- Remove the foreword to international standards. Since the implementation of this standard, JB/T 7690-1995 "size and performance of mechanical engineering units and measurement accuracy" shall be repealed simultaneously. The standard proposed by China Machinery Industry Federation. The standard by the China Machinery Industry Federation. This standard is drafted by. Tianjin Institute of Mechanical Engineering. It participated in the drafting of this standard. LOVOL International Heavy Industry Co., Ltd. Drafters of this standard. Wu Yun before, Junwei. Earthmoving machinery size, performance and parameters Units and measurement accuracy

1 Scope

This standard specifies the reference unit of measurement GB/T 8498 defined by earth-moving machinery machine size, performance and parameters used, symbol Resolution and accuracy. This standard does not include specific measurement methods and instruments used.

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 8498 basic types of moving machinery terminology (GB/T 8498-1999, eqv ISO 6165.1997) GB/T 8170 numerical rounding rules

3 Units

Basic units and derived units moving machinery used shall comply with the requirements of Table 1.

4 Accuracy

The accuracy of measurement shall be in accordance with Table 1.

5 round

Measurement data should be GB/T 8170 provisions of rounding off rules roundness accuracy of the measured value after rounding shall comply with the requirements in Table 1. Table 1 Measurement Accuracy Quantity Name Unit Name Unit Symbol accuracy of a basic unit Length m m ± 0.5% Mass kg kg ± 2% Time seconds s ± 1% Export Unit Celsius Celsius ℃ ≤200 ℃. ± 1 ℃ > 200 ℃. ± 2% Angle radian rad ± 0.02rad Frequency Hertz Hz ± 1% In square meters m2 ± 2% volume cubic meter L b m3 ± 3%

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