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Incremental Encoders
Single-Turn Absolute Encoders
  Hollow Shaft
  Solid Shaft
Multi-Turn Absolute Encoders
Hazardous Area Certified Encoders
Motor Commutation Encoders
Special Encoders
String Encoder
Draw Works Encoders
Washdown Encoders
State/Province : 
Single-Turn Absolute Encoders
Absolute encoders are devices used to measure lengths or angles and are used as distance gauges in machine tools, in handling and automation technology and on testing units. Absolute encoders output positional information in the form of a numerical value (code). This numerical value is unique across the entire resolution range of the absolute encoder. For this reason, no initial reference run is required, as is the case with incremental encoders. With rotary encoders, a distinction is made between single-turn encoders, which provide a resolution on just a single rotation and then revert to 0, and multi-turn encoders that provide a resolution over several rotations. A further distinction is made between optical and magnetic encoders.
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