Greenius Messung

Light measurement

ASR-compliant light measurement

Precise measurement and comprehensible qualification

The workplace regulations (ASR) specify the requirements for setting up and operating lighting in workplaces.
Light meters (lux meters) that display the LUX value of the corresponding assessment area are used to check the luminous intensity. In addition to the LUX value, there are a number of other assessment criteria for which a spectrometer is required.
We have an officially recognised and calibrated spectrometer (Gossen MAVOSPEC BASE spectrometer). With it, we can carry out the following measurements on your premises and then record them extensively:

  • Application area (daylight, LEDs, halogen, etc.)
  • Illuminance Evis (10 lx … 100,000 lx)
  • Irradiance Ee
  • Luminous Efficacy Ratio LER
  • Colour temperatures (CCT) 1,600 K … 50,000 K (Duv > – 0.1)
  • Colour temperature difference to Planckian curve Duv (1,600 K < CCT < 50,000 K)
  • Dominant wavelength according to CIE 15
  • Colour purity – Purity according to CIE 15
  • Chromaticity coordinates [u’,v’] according to CIE 1931
  • Chromaticity coordinates [u,v] according to CIE 1976
  • Chromaticity coordinates [u,v] according to CIE 1960
  • Colour rendering IES TM-30-15 (Rf, Rg)
  • Colour rendering index CRI according to CIE 13.3 (Ra, Re, R1 … R15)
  • Gamut Area Index GAI
  • Television Lighting Consistency Index (TLCI, Colorist Advice Table, Qa Pie Chart)
  • Peak wavelength
  • Flicker – Index 0.00 … 1.00 (f < 400 Hz and Flicker % > 1.0 %)
  • Flicker – Percentage 1.0 % … 100 % (f < 400 Hz) – Flicker – Frequency 2 Hz … 6000 Hz (Flicker % > 1.0 %)
  • Photosynthetic photon flux density (PPFD, PPFD_UV, PPFD_Blue, PPFD_Green, PPFD_Red, PPFD_FR)