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P. 110
TORQUE MEASUREMENT
TORQUE WRENCH CALIBRATOR - MANUAL
Torque Wrench Calibrator (TWC) 400 N·m Manual
• Enables torque wrench calibration or testing in accordance with • Two speed gearbox designed for a sufficient balance of speed and
ISO 6789-2:2017 if used with T-Box™ 2 control by allowing for both fast loading of the torque wrench and a
• Also in accordance with BS EN 26789:2003, ISO 6789-1:2017 slower more precise loading
• Counterbalance Reaction system is designed to support the weight • Works with Flange Mounted Transducers, Static Transducers (when
of the wrench so that the weight does not become a parasitic force using part number: 60318), T-Box™ 2, TST, TTT and Pro-Test (when
within the calibration system. The floating nature of the support using part number: 60323)
means that the wrench is able to find its own natural level rather • During calibration the TWC maintains a fixed position on the handle
than being constrained as in many other loading devices� Any such of the torque wrench
constraint will be a parasitic force within the system (Patents apply) • Rotating transducer design ensures that the load is applied 90° to
• Lightweight alloy construction ensures the TWC is easily the torque wrench handle. The benefit of this precise alignment is
transported, making it well suited for mobile laboratory applications that forces are applied squarely to the load point of the handle
• When testing for conformity or calibrating to ISO6789:2017 any
transducer must not be used below 5% of its capacity when used
with TWC. This statement does not apply to a TWC when used in a
accredited laboratory
4 TORQUE WRENCH CALIBRATOR (TWC)
60331 Torque Wrench Calibrator 400 N·m Manual
60332 Torque Wrench Calibrator 1,500 N·m Manual
Model TWC 400 TWC 1500
Part Number 60331 60332
Torque Wrench Calibrator (TWC) Manual shown with a Flange Wrench Length Min 135 135
Mounted Transducer and a Model 100 torque wrench (not included) (Torque Radius) Max 750 1,500
A 620 620
B 330 330
Dimensions
(mm) C 395 395
D 487 487
E 1,010 1,760
Weight (kg) 35.0 40�0
Patented in the UK, Germany, France and Italy (EP2864745) and in the USA (US9921122).
109 enquiry@norbar�com | www�norbar�com