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Getting the Best Out of Your Torque Tester - Part One

From Norbar Torque Tools, Inc.

As discussed in the previous article, there are different types of torque tester: mechanical, hydraulic and electronic.

Mechanical and hydraulic testers generally use a needle on a dial to show the torque value. They share three common problems:

Firstly it is difficult to see where the needle has reached its peak. This is why many testers have slave pointers that are pushed round to the peak reading. Unfortunately the slave pointer can slow down the main needle and show a lower reading than was really achieved.

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Calibration Instruments
Calibration instruments use electrical signals or physical quantities to calibrate sensors and meters. Devices that produce electrical signals can serve as precise meters for sensor calibration, or send output signals to other devices.
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