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JJG 557-2011 English PDF

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JJG 557-2011: Verification Regulation of Standard Torque-meters
Status: Valid

JJG 557: Evolution and historical versions

Standard ID	Contents [version]	USD	STEP2	[PDF] delivered in	Standard Title (Description)	Status	PDF
JJG 557-2011	English	509	Add to Cart	4 days [Need to translate]	Verification Regulation of Standard Torque-meters	Valid	JJG 557-2011
JJG 557-1988	English	359	Add to Cart	3 days [Need to translate]	Verification Regulation of Standard Torsionmeter	Obsolete	JJG 557-1988

PDF similar to JJG 557-2011

Standard similar to JJG 557-2011

GB/T 36126 JJG 577 GB/T 1885 JJG 564 JJG 567 JJG 556

Basic data

Standard ID	JJG 557-2011 (JJG557-2011)
Description (Translated English)	Verification Regulation of Standard Torque-meters
Sector / Industry	Metrology & Measurement Industry Standard
Classification of Chinese Standard	A53
Word Count Estimation	22,233
Date of Issue	2011-11-30
Date of Implementation	2012-05-30
Older Standard (superseded by this standard)	JJG 557-1988
Quoted Standard	JJF 1011-2006; JB/T 5483-1991
Regulation (derived from)	State Administration of Quality Supervision, Inspection and Quarantine No. 202 of 2011
Issuing agency(ies)	General Administration of Quality Supervision, Inspection and Quarantine
Summary	This standard applies to dial-in and other standard strain gage torque meter (hereinafter referred to as torque meter) of the initial verification, testing and use of follow-up checks.

JJG 557-2011: Verification Regulation of Standard Torque-meters

---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 Regulation of Standard Torque-meters State verification procedures People's Republic of China Standard torque meter Issued on. 2011-11-30 2012-05-30 implementation The State Administration of Quality Supervision, Inspection and Quarantine released Torque meter standard test procedures ofStandardTorq ue-meters Replacing JJG 557-1988 The regulations by the State Administration of Quality Supervision, Inspection and Quarantine approved on November 30, 2011, and from From May 30, 2012 into effect. Focal point. the National Technical Committee on Metering hardness force value The main drafting units. China Institute of Metrology China Aerospace Science and Technology Corporation a hospital one hundred and two China Shipbuilding Industry Corporation seventh THOUSAND AND FORTY Institute Participated in the drafting unit. Shanghai Institute of Measurement and Testing Jilin Institute of Metrology China Aviation Industry Corporation Beijing Great Wall Measurement and Testing Technology Institute The study This procedure hardness values measured force commissioned by the National Technical Committee is responsible for interpretation The main drafters of this procedure. Guo Bin (China Institute of Metrology) Mei Hongwei (China Aerospace Science and Technology Corporation a hospital one hundred and two) Li Tao (China Shipbuilding Industry Corporation seventh THOUSAND AND FORTY Institute) Drafters participate. Xiao Fei (Shanghai Institute of Measurement and Testing) Qu Zhuo (Jilin Institute of Metrology) Qin Haifeng (China Aviation Industry Corporation Beijing Great Wall Measurement and Testing Technology Institute The study)

1 Scope (1) 2. References (1) 3 terminology and units of measurement (1) 3.1 The term (1) 3.2 symbols, meanings and units (1) 4 Overview (3) 5 metering performance requirements (3) 5.1 strain gauge torque meter, etc. (3) 5.2 dial-type torque meter (4) 6 General Requirements (4) 6.1 visual inspection (4) 6.2 torque meter set of (4) 6.3 Other technical characteristics requirements (4) 6.4 indicating instrument usage (4) 6.5 indicating instrument resolution (4) 6.6 indicating instrument replacement (5) 7 control of measuring instruments (5) 7.1 test conditions (5) 7.2 test items and test methods (5) 7.3 Verification Results Processing (9) 7.4 test cycle (9) Appendix A test flow diagram (10) Appendix B strain gauge torque meter test certificate and other standards-page format (11) Appendix C dial gauge type torque meter standard test certificate-page format (12) Appendix D strain gauge torque meter test results and other standards in the notice page format (13) Appendix E dial type torque meter standard test results in the notice page format (14) Appendix F strain gauge torque meter test records and other standard format (15) Appendix G standard dial-type torque meter calibration record format (16) Torque meter standard test procedures

1 Scope

The order applies to dial-type strain and other standard torque meter (hereinafter referred to as torque meter) initial verification, after Continued use of verification and inspection. 2. References This procedure references the following documents. JJF1011-2006 force value and hardness measurement terms and definitions JB/T 5483-1991 standard torque meter technical conditions For dated references, only the dated edition applies to this procedure; undated reference documents Member, the latest edition (including any amendments) applies to this procedure.

3 terminology and units of measurement

3.1 Terms Dial standards torque meter standardtorsionmeter Elastomer rod, indicating device for the dial indicator torque meter, also known as the standard torque meter. 3.2 symbols, meanings and units Symbols, meanings and units are shown in Table 1. Table 1 Symbols, Meaning and Unit No. experiment Types of Symbol Meaning Unit 1 A xl Torque measurement corresponding to the lower limit deformation indication (or lose Out) mV/V, Nm, mm, V, Hz, etc.

2 A r indicating torque meter resolution means

mV/V, Nm, mm, V, Hz, etc. 3 A Zr return homodyne% FS 4 A or BR Repeatability% 5 A or B Sb long-term stability% 6 A υ% difference between forward and backward 7 AE indication error% Interpolation error% within 8 A Ip 9 A Rot azimuth error% 10 A-1 j 0 ° azimuth measurement without numbers

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Question 5: Should I purchase the latest version JJG 557-2011?

Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version JJG 557-2011 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically.