Calibration with Torque Testers

Prior to its use, each tester should be pre-stressed to full-scale once, and then zeroed before a torque wrench is attached.

This zeroing process is very important and is accomplished by firmly depressing the reset button on the top of the dial indicator and then releasing it slowly and smoothly.

This technique of zeroing establishes the normal rest point of the dial indicator with respect to the measuring element in the tester.

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