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JJG 797-2013

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Detail Information of JJG 797-2013; JJG797-2013
Description (Translated English): Verification Regulation of Calibration Instrument for Torque Wrenches
Sector / Industry: Metrology & Measurement Industry Standard
Classification of Chinese Standard: A53
Classification of International Standard: 17.100
Word Count Estimation: 18,129
Older Standard (superseded by this standard): JJG 797-1992
Drafting Organization: China Institute of Metrology
Administrative Organization: National Technical Committee of the force measured hardness values
Regulation (derived from): AQSIQ Announcement No. 63 of 2013
Issuing agency(ies): State Administration of Quality Supervision, Inspection and Quarantine
Summary: This standard applies to: electronic, mechanical and hydraulic torque wrench Calibrator (hereinafter referred to as torque meter) initial verification, testing and use of follow-up inspection.

JJG 797-2013
Verification Regulation of Calibration Instrument for Torque Wrenches
State verification procedures People's Republic of China
Torque wrench Calibrator
Issued on: 2013-04-27
2013-10-27 implementation
The State Administration of Quality Supervision, Inspection and Quarantine released
Torque wrench Calibrator verification procedures
췍췍 췍췍 췍췍 췍췍 췍췍 췍췍 췍췍
췍췍 췍췍 췍췍 췍췍 췍췍 췍췍 췍췍
Replacing JJG 797-1992
Focal point: the National Technical Committee on Metering hardness force value
The main drafting units: China Institute of Metrology
The seventh THOUSAND AND FORTY-CSIC Institute
Participated in the drafting unit: Beijing Aerospace Measurement and Testing Technology Research Institute
Hubei Provincial Institute of Measurement and Testing
This procedure hardness values measured force commissioned by the National Technical Committee is responsible for interpretation
The main drafters of this procedure:
Meng Feng (China Institute of Metrology)
Nitrogeh Co (China Institute of Metrology)
Li Tao (China Shipbuilding Heavy Industry seventh THOUSAND AND FORTY Institute)
Drafters participate:
Mei Hongwei (Beijing Aerospace Measurement and Testing Technology Research Institute)
Lin Jing (China Shipbuilding Industry Corporation seventh THOUSAND AND FORTY Institute)
Hu Xiang (Hubei Institute of Measurement and Testing)
table of Contents
Introduction (Ⅱ)
1 Scope (1)
2 Terms (1)
2.1 standard torque wrench (1)
2.2 average arm length (1)
The shortest arm length 2.3 (1)
3 Overview (1)
4 metering performance requirements (1)
5 General Requirements (2)
5.1 Appearance (2)
5.2 Technical Performance (2)
5.3 indicating instrument use and replacement (2)
5.4 indicating instrument (2)
6 Control of measuring instruments (3)
6.1 Verification condition (3)
6.2 test items and test methods (4)
6.3 Verification Results Processing (7)
6.4 test cycle (7)
Appendix A calibration certificate and test results in the notice page format (8)
Appendix B torque wrench Calibrator test records (9)
Appendix C verification step (10)
Appendix D reference arm length and literature (11)
The regulations refer to Germany and Japan torque wrench Calibrator existing test methods DKDR-3-8, JMIF019 formulation,
Alternative JJG 797-1992 "torque wrench Calibrator." The main technical changes to the new standard torque wrench calibration party
France, 0.3 and 0.5 of the torque wrench Calibrator test, increased by the same value of a long arm length shown below under reproducibility and different arm
Indication reproducibility of 1.0 torque
Related standard:   JJG 815-2018  JJG 993-2018
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