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SSL Resource Oy
Product: SSL BTC 2000 Screen Imaging Goniometer

SSL BTC 2000 Screen Imaging Goniometer

Description

SSL BTC 2000 combines screen imaging with a goniophotometer for a fast wide angle beam pattern measurement of light sources.

Measurements according to various standards can be made significantly faster than with a goniophotometer. The typical measurement times are 5 minutes for H ±50°,V ±15° or 29 minutes for H ±90°, V±90°. BTC 2000 produces comparable results to turning goniophotometers with an accuracy of +/-4%. The dynamic measurement range is from 0.3 cd up to 70 000 000 cd.

Measurement parameters:

  • Luminous intensity in Zone, Group, Line, Single test points
  • Cutoff
  • Color and stability
  • Beam pattern
  • Axial luminous intensity
  • Maximum luminous intensity
  • Beam distance
  • Isolux curves on the road surface and vertical plane
  • Isolux curves on the horizontal level at luminaire height
  • Partial luminous flux and efficacy
  • ANSI/NEMA FL 1-2009 test routines to measure
    • beam distance
    • maximum beam intensity
    • runtime of photometric performance of flash lights.

Options:

  • Input power measurement
  • Spatial color parameters
  • Far-field photometer add-on

SSL BTC 20 is a lighter camera based setup for measuring narrow beam light sources.

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