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JJG 2045-2010 English PDF

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JJG 2045-2010: Verification scheme of measuring instruments for force (≤1 MN)
Status: Valid

JJG 2045: Evolution and historical versions

Standard ID	Contents [version]	USD	STEP2	[PDF] delivered in	Standard Title (Description)	Status	PDF
JJG 2045-2010	English	219	Add to Cart	3 days [Need to translate]	Verification scheme of measuring instruments for force (≤1 MN)	Valid	JJG 2045-2010
JJG 2045-1990	English	279	Add to Cart	3 days [Need to translate]	Verification Scheme of Measuring Instruments for Force (≤1MN)	Obsolete	JJG 2045-1990

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Basic data

Standard ID	JJG 2045-2010 (JJG2045-2010)
Description (Translated English)	Verification scheme of measuring instruments for force (��1 MN)
Sector / Industry	Metrology & Measurement Industry Standard
Classification of Chinese Standard	A53
Classification of International Standard	17.100
Word Count Estimation	9,969
Date of Issue	2010-06-10
Date of Implementation	2010-12-10
Older Standard (superseded by this standard)	JJG 2045-1990
Regulation (derived from)	AQSIQ Announcement No. 59 of 2010
Issuing agency(ies)	General Administration of Quality Supervision, Inspection and Quarantine
Summary	This standard applies force value (�� 1 MN) verification of measuring instruments. It specifies the use of force value and composition of national benchmarks, including a full set of basic benchmark measuring instruments, metrology benchmark performance and measurement standards through the force is transmitted to the working measuring instruments measure the value of a program unit, and indicate the uncertainty and Basic test methods. Throughout the force value verification system, the force standard can be divided into two categories. The first category is generated force value fixed standard device. According to the structure of such standards is divided into static weight, lever, hydraulic and stacking such force standard machine. The second category is the value of a variety of portable power transfer standard device. This standard is its dial indicator measuring principle can be divided into type, strain and other standard dynamometer.

JJG 2045-2010: Verification scheme of measuring instruments for force (≤1 MN)

---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.
Verification scheme of measuring instruments for force (≤1 MN) People's Republic of China National Metrological Verification System tables Force value (≤1MN) measuring instruments MeasuringInstrumentsforForce (≤1MN) Issued on. 2010-06-10 2010-12-10 implementation The State Administration of Quality Supervision, Inspection and Quarantine released Force value (≤1MN) Measuring instruments Verification System InstrumentsforForce (≤1MN Replacing JJG 2045-1990 The Verification System by the State Administration of Quality Supervision, Inspection and Quarantine on June 10, 2010 approved, And implemented since December 10, 2010. Focal point. the National Technical Committee on Metering hardness force value Drafting units. China Institute of Metrology CASC a hospital 102 China Testing Technology Research Institute The Verification System by the National Technical Committee of force values hardness measurement shall be interpreted The main drafters. Wu Kun (China Institute of Metrology) Gao Xiang (CASC a hospital 102) Jiangxi Ming (China Institute of Metrology) He Jianping (China Testing Technology Research Institute) Drafters participate. Zhang Ye (China Institute of Metrology) Lin (China Institute of Metrology) Guo Bin (China Institute of Metrology)

1 Scope (1) 2 baseline measurement instruments (1) 3 standards of measurement (1) 4 working measuring instruments (2) 5 force value (≤1MN) Measuring Instruments System Tables Diagram (3) Calculation Method A coefficient En Appendix (5) Force value (≤1MN) Measuring Instruments Verification System

1 Scope

The verification system applicable to force value (≤1MN) verification of measuring instruments. It provides national reference force value A full set of basic composition and use of measuring instruments, including benchmarks, the performance benchmark of metrology and measurement standards through the work For transmitting force measuring instruments measure the value of the unit of the program, and indicates the uncertainty and basic test methods. Throughout the test force value system, a standard force can be divided into two categories. The first category is generating a force value fixed standard Device. Such a standard is structured into static weight, lever type, hydraulic type, etc. and overlay force standard machine. The second category is passed Hands force value of a variety of portable standard device. This is their standard dial indicator measuring principle can be divided into type, strain and other standards Dynamometer.

2 Datum Instruments

Force value national benchmarks by the six kinds of static weight force reference machine. Force range 6 kinds of static weight force reference machine, respectively It is. 20kN ~ 1MN; 5kN ~ 300kN; 2kN ~ 100kN; 100N ~ 6kN; 10N ~ 1kN; 10N ~ 300N. Deadweight force reference machine is produced by the weight of gravity as the reference force value, through the appropriate institutional self Moving to the force applied to the value of accredited dynamometer. Uncertainty of this force depends on the weight of the appliance Quality Measurement Uncertainty Uncertainty, uncertainty of measurement installation site acceleration of gravity, weight and density of the air, with Shihai stability and weight, structure and unloading methods and appliance and so on. 10N ~ 1MN force value national benchmark of force The relative expanded uncertainty Ur of 2 × 10-5 (k = 3).

3 standards of measurement

Force measurement sensor comprises standard device (static weight, lever type, hydraulic, and four types of superposition, etc.) and use To force the value of the money transfer using standard dynamometer. 3.1 Static structural principle force standard device and the static weight force reference machine are basically the same, but the quality is not really weight Fixed degree, the installation site gravity measurement uncertainty, the impact of air density and weight measurement uncertainty and other points There are differences in the amount of force reference machine, force the relative expanded uncertainty Ur general of 1 × 10-4 (k = 2). 3.2 Lever gravity force standard device to produce weight as a standard load, after amplification by the appropriate lever mechanism Predetermined order automatically detected force value is added to the load cell. Than the static force standard device easy to get greater force Value, its metrology performance depends on a combination of structure and leverage, the knife blade and the Order of the structure as well as the processing and security Means quality. At present, such machines are single-lever structure, its leverage ratio of 10 and 20.1, maximum force There 1MN, 300kN, 100kN, 60kN, 50kN, force the relative expanded uncertainty Ur generally up 3 × 10-4, part up to 1 × 10-4 (k = 2). Taking into account the conditions and the test cycle, the force lever force standard device The relative expanded uncertainty Ur as 3 × 10-4 and 5 × 10-4 categories. The actual test, depending on the test results Determine their respective levels.

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