HEIDENHAIN-CERTO

Very high accuracy

  • Down to ± 0.03 μm system accuracy at 19 °C to 21 °C

Very high repeatability

  • Repeatability typically < 0.02 μm with 25 mm measuring range

Zerodur scale

  • Close to 0 ppm/K scale expansion between 0 °C and     50 °C
  • Provides the true measured value

Gauge body made of Invar

  • Components in the measuring loop are made of Invar
  • ≈ 1 x 10–6 ppm/K thermal expansion of length gauge

Ball-bearing guide

  • Ball-bearing guide with low friction
  • High-precision measuring loop

Properties

Measuring range25 or 60 mm
System accuracy

± 0.1 μm

With linear error compensation up to ± 0.03 μm
Repeatability

CT 2500: < 0.02 μm
CT 6000: < 0.03 μm

Short-range accuracy< 0.03 μm
Plunger actuationBy motor or coupling
Interface11 μAPP