KGM 281

Description

The HEIDENHAIN KGM 281 Grid Encoder is for performing circular interpolation tests with small radii and curved path tests, to inspect primarily the dynamic performance of a control Measuring standard.  The KGM uses two-coordinate TITANID phase grating on glass (grid) with the following features…

  • 4µm signal period
  • Coefficient of thermal expansion – atherm = 8 ppm/K
  • 140mm diameter measuring range
  • ± 1µm accuracy grade
  • IK 121 PC counter card included
  • ACCOM evaluation software included
  • Measuring steps of 1µm, 0.1µm, and 0.01µm