stroke counter / analog / mechanical
The Gamm M20/4 is a 4 digit counter with 4.5 mm digit height, with D.3 mm shaft and features unilateral drive. Revolution is clockwise (0) or anti-clockwise (S). It has a maximum speed of 300 beats per minute. Gear is made of alloy or fiberglass. Dimensions of counter: 19x19x21 mm.