This Regulation applies to the initial verification, subsequent verification and usage inspection of electronic, mechanical and hydraulic calibration instrument for torque wrenches (hereinafter referred to as torque instrument). 2 Terminologies 2.1 Standard torque wrench The torque wrench which has high accuracy and is used to conduct quantity- value transfer for calibration instrument for torque wrenches. 2.2 Average arm length The average length of torque wrench’s arm, within a certain range. 2.3 Minimum arm length The minimum length of torque wrench’s arm, within a certain range.
Basic Data
Standard ID
JJG 797-2013 (JJG797-2013)
Description (Translated English)
Verification Regulation of Calibration Instrument for Torque Wrenches
Sector / Industry
Metrology and Measurement Industry Standard
Classification of Chinese Standard
A53
Classification of International Standard
17.100
Word Count Estimation
18,163
Older Standard (superseded by this standard)
JJG 797-1992
Regulation (derived from)
AQSIQ Announcement No. 63 of 2013
Issuing agency(ies)
General 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.
