Three new fixed ratcheting head electronic torque wrenches have been added to this manufacturer's line. They accept all standard Proto sockets and come in 1/4, 3/8, and -1/2-in. drive versions with ranges from 25 in.-lb / 2.8 Nm to 250 ft-lb / 339 Nm. Models are accurate to within ±2% of indicated value in both directions. This compares to 4% clockwise and 6% counterclockwise on mechanical models. This accuracy range extends from 10% to 100% of full scale. And, 99 "onboard" memory storage locations help improve efficiency when taking multiple torque readings.
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