Phidgets Phidget 40 CPR Quadrature Encoder

The Phidget 40 CPR Quadrature Encoder is an affordable optical quadrature encoder that is compatible with the mounting pattern of the majority of the DC and stepper motors. Quadrature-output encoder; Encoder Speed Max: 6000 RPM / Encoder Resolution: 40 CPR; Supply Voltage: 2.7-7 V DC; Fits onto the rear shaft of a motor