Differential Type (SD-50 and 100)

Mount it on the shaft whose revolutions you wish to measure, and it will display the number of revolutions. In the differential type, when the rotating shaft turns, the dial rotates in the same direction.You can freely choose between scales that increase clockwise or counterclockwise. There are no restrictions on the mounting direction, and you can choose from outer diameters of 50 mm or 100 mm.
SD Model (Differential Type)
Image
三木プーリのSD差動型単体タイプ 回転数指示計製品画像(差動型回転計・回転速度検出・産業用計測機器)
Specifications Attach it to the shaft whose rotation you want to measure, and it will display the number of rotations. You can choose between outer diameters of 50 mm and 100 mm.
Rotation ratio 1/20, 1/25, 1/50 
Outer diameter [mm] 50 / 100
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