Gauge Block Calibration System

EPP Series

  • Using the LM 20 laser-interferometric gauging probe as upper gauging probe a high measurement accuracy and linearity over the measurement range of 20 mm is achieved.
  • According to a PTB recommendation (German national bureau of standards), the total number of reference-standard gauge blocks may be reduced to fifteen.
Technical Data:

  • Measuring range: 0.5 mm… 100 mm

SIOS Model LM 20 laser-interferometric gauging probe:

  • Measuring range: 20 mm
  • Resolution: 1 nm
  • Uncertainty: ≤ ±10 nm over 15 mm
  • Measuring force: 1 N

  • Calibration of plane-parallel gauge blocks with rectangular cross sections ranging from 0.5 mm to 100 mm
  • Measurement characteristic dimensional parameters in compliance with ISO 3650




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