FIELD: physics; testing.
SUBSTANCE: present invention relates to test engineering and can be used for testing mechanical hand tools. The device has a base, a loader, made in form of a threaded pair and a bolt-head joined to the spindle of the test nut wrench, a torque sensor and a control unit connected to the torque sensor. The device also has an analogue-to-digital converter, a digital comparator, memory register, digital display, pulse generator, pulse shaper, AND logic element and an amplifier. The nut of the loader interacts with the base through the torque sensor.
EFFECT: more accurate control of tightening torque.
1 dwg
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