Revolution indicator with zero-setting

5 digits height: 4.5 mm – shaft D.6 mm – bilateral drive. Zero-setting push button. Revolution: 0 = clockwise, S = anti-clockwise. Maximum speed: 5000 revolutions per minute. Dimensions: 82x46x35. Adds in one direction of rotation and subtract on the opposite. Ratio 1:1 (1 revol. = 1 unit).