Features It can be used to measure rotational speeds, angle and acceleration of object and length measurement Output: 2-phase AB output rectangular orthogonal pulse circuit, the output for NPN open collector output type Suitable for intelligent control of various displacement measures, automatic fixed length leather automatic guillotines, steel cutting length control, civil measured height human scale, student racing robots Pulses: 600 p/r (single phase 600 pulses/R, two-phase frequency 4 doubling to 2400 pulses) 100% brand new. Specifications: Pulses: 600 p/r (single phase 600 pulses/R, two-phase frequency 4 doubling to 2400 pulses) Power Source: DC5-24V Shaft: 6*13mm/0.23*0.51" Size: 38*35.5mm/1.49*1.39" Output: circuit orthogonal pulse Rectangular AB output 2 phases, the output for NPN open collector output type Maximum mechanical speeds: 5000 R/min Response frequency: 0-20KHz Cable length: 1.5 meters Note: The AB 2phase output should not be directly connected to VCC, otherwise, will burn the output triode, because different batches, and may not have the terminal. (Green = Phase A, White = B Phase, Red = Vcc + Power Supply, Black = V0) Package includes: 1 x 600P/R Rotary Incremental Encoder Package List