21 grid speed measuring code disk tachometer TT motor wheel speed counting code disk high-precision laser processing
The speed measuring code disc is specially used for measuring the speed of the straight bar type reduction motor.
The distance and speed of the car body movement are calculated by calculating the number of spaces after rotation.
Number of spaces holes: 20
Code Plate Size: 26 mm
Thickness: about 3.6mm
Center Hole: About 3.5* 5.4 mm
Suitable for TT gear Motor