Encoder, absolute, 50mm diameter body, 9-bit (512 pulses per revolution), gray code Encoder, absolute, 50mm diameter body, 9-bit (512 pulses per revolution), gray code  Ref: TRD-NA512NWD
Encoder, absolute, 50mm diameter body, 9-bit (512 pulses per revolution), gray code, 10-26 VDC, NPN open collector