LIF 121


The HEIDENHAIN LIF 121 utilized a phase grating on glass with a grating period of 8µm, manufactured in the DIADUR process, serves as a measuring standard for this LIF incremental linear encoder with TTL output. The scales of LIF linear encoders are fixed with HEIDENHAIN PRECIMET® elastic adhesive film directly onto the mounting surface. This adhesive film ensures a defined thermal behavior and is resistant to solvents. The mounting procedure is quite fast thanks to its simplicity and to relatively large mounting tolerances.

  • Measuring standard - DIADUR phase grating on glass
  • Output signals - TTL
  • Signal period - 4um
  • Accuracy grades - ± 3µm
  • Recommended measuring steps - 1um to 0.1µm
  • Measuring lengths - 70mm to 3040mm
  • Reference mark - One at midpoint of measuring length or distance-coded