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Type C Mirror Goniometers

Type C Mirror Goniometer – large Scale moving Mirror

  • IES file generation
  • Two designs (full large scale and compact design)  available, depending on luminaire size
  • Room dimensions requirements for  the compact  design are 3 m x 4 m x 3 m
  • Powerful interface for engineering confirmation yes easily operated by non-technical operators

Short Description

Labsphere´s type C  goniometer is a rotating mirror goniometer which measures the intensity distribution of  luminaires strightly according to the standard LM-79 protocol. The maximum dimensions on the luminaires are 610 mm x 1220 mm. a fully automated data collection is reported out on IES files, test or Microsoft Excel formats. The goniophotometer performs as well a NIST traceable power measurement.


  • Generation of IES photometric data sets
  • Testing luminaires according to LM-79
  • Testing indoor and outdoor luminaires
  • Suitable for accredited laboratory