Absolute rotary encoder / hollow-shaft
GURLEY Precision Instruments
The Vx35 series by Gurley Precision Instruments is an Absolute hollow shaft rotary encoder which features its combined design of simplicity and ruggedness of an encoder. It comes with Gurley's unique technology which is not that costly and reliable that any convention absolute encoder. The unit is available in three accuracy grade which has the same specification. Each of the unit has an LED illumination that can last about 100,000 hours.