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JJG 2066-2006 English PDF

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JJG 2066-2006: Verification Scheme of Measuring Instruments for Large Force
Status: Valid

JJG 2066: Evolution and historical versions

Standard ID	Contents [version]	USD	STEP2	[PDF] delivered in	Standard Title (Description)	Status	PDF
JJG 2066-2006	English	259	Add to Cart	3 days [Need to translate]	Verification Scheme of Measuring Instruments for Large Force	Valid	JJG 2066-2006
JJG 2066-1990	English	239	Add to Cart	2 days [Need to translate]	Verification Scheme of Measuring Instruments for Large Force	Obsolete	JJG 2066-1990

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Basic data

Standard ID	JJG 2066-2006 (JJG2066-2006)
Description (Translated English)	Verification Scheme of Measuring Instruments for Large Force
Sector / Industry	Metrology & Measurement Industry Standard
Classification of Chinese Standard	A53
Classification of International Standard	17.100
Word Count Estimation	10,192
Date of Issue	2006-12-08
Date of Implementation	2007-06-08
Older Standard (superseded by this standard)	JJG 2066-1990
Quoted Standard	AQSIQ Announcement No. 187 of 2006
Regulation (derived from)	AQSIQ Announcement No. 187 2006
Issuing agency(ies)	General Administration of Quality Supervision, Inspection and Quarantine
Summary	This standard applies to measuring range is greater than the upper limit value of the force 1MN ~ 60MN verification of measuring instruments. It provides a strong value from the national benchmark by measuring the standard measuring instruments for delivery to the working procedures and methods, and indicate the appropriate uncertainty. This system is to ensure that the value of measuring instruments vigorously to achieve the appropriate technical indicators and confirm their traceability to provide guidance.

JJG 2066-2006: Verification Scheme of Measuring Instruments for Large Force

---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 Large Force National Measurement and Verification System of the People's Republic of China Vigor measuring instrument Released on.2006-12-08 2007-06-08 implementation The General Administration of Quality Supervision, Inspection and Quarantine issued Vigorous value measuring instrument verification system table Replacing JJG 2066-1990 The verification system was approved by the General Administration of Quality Supervision, Inspection and Quarantine on December 8,.2006. And will be implemented as of June 08,.2007. Focal Point. National Strength Hardness Measurement Technical Committee Drafted by. China Institute of Metrology Shanghai Institute of Metrology and Testing Technology This verification system table is explained by the National Force Value Measurement Technical Committee. The main drafters of this verification system table. Hu Gang (China Institute of Metrology) Zhang Zhimin (China Institute of Metrology) Zhang Guiren (Shanghai Institute of Metrology and Testing Technology) Participate in the drafters. Ma Baolin (China Institute of Metrology) Zhang Wei (China Institute of Metrology)

1 Scope (1) 2 Measurement basis (1) 3 measurement standards (2) 4 working measuring instruments (3) 5 block diagram of the value metering system (3) Appendix A Calculation of System En (5) Vigorous value measuring instrument verification system table

1 Scope

This verification system table is applicable to the verification of the force measurement instrument with the upper limit of the measurement range greater than 1MN~60MN. It sets out the procedures and methods for the transfer of work-measuring instruments from metrological standards from the national benchmarks of high-impact values, and Indicate the corresponding uncertainty. This system ensures that the HW meter reaches the corresponding technical indicators and confirms its traceability. Provide guidance.

2 Measurement basis

2.1 The National Competitiveness Benchmark is the highest basis for recurring and unifying national HDI ( >1MN). 2.2 The national standard of gravity is composed of two DV benchmarks, one is a 5MN hydraulic force reference machine, and the other is another The platform is a 20MN hydraulic force reference machine. 2.3 The measurement range of the 5MN force reference machine is 0.1MN~4MN (pressure direction force) and 0.1MN~2MN (pull Toward), the extended uncertainty * is 3 × 10 - 4 (k = 3). 2.4 20MN force reference machine measurement range is 0.5MN~20MN (pressure direction force) and 0.5MN~10MN (pull force), the extended uncertainty is 1 × 10 -4 (k = 3). 2.5 Hydraulic force reference machine based on the Pascal principle, the weight of the weight is passed through the cylinder plug system without mechanical friction Magnification, the force value of its reproduction is calculated by the following formula. F=mg S1 S2 (1- Ρa Ρw Where. F---recurring force value, N; m---weight of the weight, kg; g---gravity acceleration at the installation location of the force reference machine, m/s2; S1---effective area of the working cylinder plug, m2; S2--- effective area of the force cylinder plug, m2; Ρa---air density, kg/m3; Ρw---weight of material weight, kg/m3. 2.6 In order to ensure accurate and consistent transmission of force values, the force level of the KN benchmark measurement range not greater than 1 MN shall be Regular comparison with static-weight dynamometers as national benchmarks for force values; force levels greater than 1 MN should be the same as at home and abroad The force-like reference machine is compared. The comparison uses a high-accuracy standard dynamometer as a transmission standard. Comparison coefficient En rating. If the absolute value of En is less than 1, the consistency of the two force reference machines is within the allowable range of uncertainty. Inside. See Appendix A for the calculation of En. *Note. The uncertainty mentioned in the table of this system refers to the relative uncertainty.

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