Heidenhain - Exposed Linear Encoders - LIDA

Exposed linear encoders are designed for use on machines and installations that require high accuracy of the measured value.

Typical applications include:
  • Measuring and production equipment in the semiconductor industry
  • PCB assembly machines
  • Ultra-precision machines
  • High-accuracy machine tools
  • Measuring machines and comparators, measuring microscopes, and other precision measuring devices
  • Direct drives

LIDA - For high traversing speeds and large measuring lengths

The LIDA exposed linear encoders are specially designed for high traversing speeds up to 10 m/s, and are particularly easy to mount with various mounting possibilities. Steel scale tapes, glass or glass ceramic are used as carriers for METALLUR graduations, depending on the respective encoder. They also feature a limit switch.


Model Baseline error Substrate and mounting Interpolation error Measuring length 
  Accuracy grade Intervall      
LIDA 473
LIDA 483
 ± 1 μm
 ± 3 μm
 ± 5 μm
 ≤ ± 0.275 μm/ 10 mm Glass or glass ceramic scale, bonded to the mounting surface  ± 45 nm 240 mm to 3040 mm
LIDA 475
LIDA 485
 ± 5 μm  ≤ ± 0.750 μm/ 50 mm (typ.) Steel scale tape drawn into aluminum extrusions and tensioned  ± 45 nm 140 mm to 30040 mm
LIDA 477
LIDA 487
 ± 3 μm
± 5 μm
± 15 μm
 ≤ ± 0.750 μm/ 50 mm (typ.) Steel scale tape drawn into aluminum extrusions and fixed  ± 45 nm 240 mm to 6040 mm
LIDA 479
LIDA 489
 ± 3 μm
± 15 μm
 ≤ ± 0,750 μm/ 50 mm (typ.) Steel scale tape, bonded to the mounting surface  ± 45 nm Up to 6000 mm
LIDA 277
LIDA 287
 ± 15 μm   Steel scale tape drawn into aluminum extrusions and fixed  ± 2 μm Up to 10000 mm
LIDA 279
LIDA 289
 ± 15 μm   Steel scale tape, cemented on mounting surface  ± 2 μm Up to 10000 mm


 Exposed Linear Encoders - LIDA PDF

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Heidenhain - Exposed Linear Encoders - LIDA