NOE1 – 3-channel miniature encoder Description Technical data Encoder with dimensions of 20 x 26 x 10 mm for BLDC and stepper motors. With 500 to 2,000 pulses per revolution. Optimal synchronization, even at slow speeds. Encoder Resolution 500 CPR - 2000 CPR Operating Voltage (Encoder) 5 V Index Line Driver Shaft Diameter  -
NOE2 – Optical 3-channel encoder Description Technical data Encoder with dimensions of 31 x 37 x 11.5 mm for stepper and BLDC motors. Available in 5 V or 24 V versions. With 1,000 to 16,000 pulses per revolution. Encoder Resolution 1000 CPR - 4000 CPR Operating Voltage (Encoder) 4.90 – 5.85, 11.40 – 28.00 V Index Line Driver Shaft Diameter  -