Closure torque validation

16 May 2019

Solution

  • Calibration weights and torque cell check rig

Benefits

  • In-house monitoring of torque instrument calibration status

Requirement

The customer had a number of Tornado closure torque testers, and wished to carry out regular validation checks without the need to return the units to either Mecmesin or an approved laboratory.

Solution

The closure tester was securely mounted in the vertical plane and a load beam was placed centrally in the universal-clamping fixture. The loadbeam had 5 hooks equi-spaced either side of the axis of the transducer. The loadbeam located off the central leadscrew of the clamping fixture ensured centralisation. Calibrated masses were then hung at different positions along the loadbeam and once stabilised the displayed torque reading noted.

This method provided a 5-point check calibration, in both clockwise and counter-clockwise directions, all possible without having to reposition the unit.

Test equipment

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