How to measure the torque of the electric wrench?
There is no national standard for torque detection of impact electric wrench and there is no good method in the world.
The two method: 1 is the torque detection after the event, bolt tightening with tightening or loosening method to detect bolt tightening torque. 2 is to use the special pressure sensor equivalent measurement, use the lever weight to the corresponding pressure and torque relation verification, use the spanner to tighten the bolt on the pressure sensor.