EcoSpin is modular, noncontact sensor system that delivers reliable performance in dirty, contaminated, and high vibration operating environments. With depth of 10 mm, IP67-rated encoder contains no moving parts and includes spacer strip mounted between magnetic ring and sensor, simplifying installation and adjustment. It can measure rotational speed of spindles, shafts, rollers, and webs as well as measure angle of cuts made with high-vibration machinery.