The Digitool Solutions TC Series Torque Tester is designed to reduce downtime in assembly and automotive repair by allowing in-house checks of torque calibration. The tester offers an accuracy of +/- 1 percent of reading between 10 percent and 100 percent of full scale in both CW and CCW directions, according to the company. This torque tester is available in 3/8" and 1/2" drives and four torque ranges.