brand new and high quality Features : 400 p/r (Single-phase 400 pulses /R,Two phase 4 frequency doubling to 1600 pulses) Power source: DC5-24V Shaft: 6x13mm/0.23x0.51" Size: 38x35.5mm/1.49x1.39" Output :AB 2phase output rectangular orthogonal pulse circuit, the output for the NPN open collector output type Maximum mechanical speed: 5000 R / min Response frequency: 0-20KHz Cable length: 1.5 meter Notice:AB 2phase output must not be directly connected with VCC, otherwise, will burn the output triode Because different batches, and may not have the terminal connection: Green = A phase, white = B phase, red = Vcc power supply, black = V0 Application: Is used to measure the rotational speed, Angle and acceleration of the object and the length measurement Suitable for intelligent control of various displacement measurement, automatic fixed-length leather automatic guillotine machines, steel cut length control, civil measured height human scale, Students racing robots Quantity:1pc Package includes: 1 x Encoder 400P/R Incremental Rotary Encoder