This is an 8421 absolute position encoder with 16-gear code (0-F). The mechanical position determines the uniqueness of each position of the encoder. Compared to a potentiometer, it doesn’t require memory, reference point and constant counting. Whenever you need the position, you can just easily read it. In this case, the anti-interference of the encoder and the reliability of the data are greatly improved. And because of the absolute uniqueness of each position, the anti-interference ability, and no power-off memory function required, this product is widely used in many kinds of industrial systems for device status controlling. SPECIFICATION Operating Current 150mA, max 42V 8421 Encode 16-gear(0-F) Service Life 10000 steps Operating Temperature -40~85℃ Dimension Vertical - 19 x 19mm/0.75 x 0.75” Horizontal - 14 x 19mm/0.55 x 0.75” Mounting Aperture 2.0mm Mounting Hole Pitch 15x15mm DOCUMENTS Product wiki Vertical Horizontal SHIPPING LIST 8421 Encoder x1 2.54 Black Single Row Pin Header-3P x2