Torque wrench has electronic measurement device and can be released mechanically under control of electronic evaluation device that evaluates torque in relation to defined demand value

摘要

The device (3) has an electronic measurement device that detects a prevailing torque by means of a strain gauge (5) for example and evaluates it in relation to a defined demand value. The torque wrench can be released mechanically under the control of the electronic evaluation device removing the rigid coupling between a wrench handle (1) and head (2).