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HEIDENHAIN LS 683C Incremental Linear Encoder

HEIDENHAIN LS 403 Linear Encoder

Representative HEIDENHAIN LS 100-series sealed linear encoder pictured; not the exact LS 403 model. Check your unit's ID tag for its configuration.

The HEIDENHAIN LS 403 (also written LS403) is a linear encoder. If yours is giving trouble, Automation and Metrology can evaluate it before you commit to a replacement. We work on older encoders, including units that may no longer be available new.

Mounting instructions: HEIDENHAIN LS 403 / LS 403 C Mounting Instructions (PDF, 16 pages, German and English).

we specialize in machine down linear encoder repair or replacement

How it works: Send us your scale for a free evaluation. We will give you a repair quote quickly, before work starts.

Turnaround: Rush repairs typically take 1-2 days; standard repairs typically take 1-2 weeks. We will confirm the timing for your unit with the quote. If repair is not practical, we can help identify a suitable current HEIDENHAIN replacement.

Catalog specifications

Current availability is not established. Confirm your unit's configuration from its ID tag.

  • Measuring lengths 70 to 1240 mm; 1340 to 2040 mm with additional mounting spar. Grating period 20 µm. Accuracy ±5 µm; ±3 µm up to 1240 mm only. Measuring steps 1 / 0.5 µm.
  • Reference marks: two (the LS 403 C is distance-coded).
  • Traversing speed up to 48 m/min. Vibration 30 m/s². Shock 100 m/s² without spar, 200 m/s² with spar. Moving force under 6 N.
  • Operating temperature 0 °C to 50 °C, storage –20 °C to 70 °C. Weight 0.1 kg + 0.5 kg/m. Cable 3 m with connector.

Documents

Please send the full model and ID number from the unit's label, plus its measuring length and connector details, so we can check the right configuration. Do not assume a similar model is a drop-in replacement.

Request a Quote Or call 1-888-354-2525.

Encoder repair services