"The cogging torque measurement" is quite important test for a motor test. However, conventional torque meters have not been able to measure torque accurately because the measured torque is tiny.
As the minimum capacity of "UTMIII" is tiny as 0.05 N m, even minute torque that couldn't have been measured can be measured and evaluated accurately. In addition, due to its highly rigid shaft, even torque in high-speed rotation is measurable. Therefore, UTMIII is ideal for tests of EV motors as well.
What's more, the following features and the specifications have been achieved: Compact & lightweight; the non-linearity of 0.03% FS; the max. rotation speed of 40,000 rpm; the safe overload of 500%; reducing impact on accuracy by radial & thrust loads applied to the shaft of the torque meter. It is also ideal for motor tests other than the cogging torque measurement.
See how the cogging torque measurement looks like!
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