Home > LM-79 Photometric Test Equipment from Photometric Solutions International

LM-79 Photometric Test Equipment from Photometric Solutions International

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article image LM-79 Photometric Test Equipment

Photometric Solutions International  offer a variety of equipment for testing LEDs, LED clusters and other solid state lighting devices.

IES LM-79-08 is a specification from the IESNA for Electrical and Photometric Measurements of Solid-State Lighting Products. PSI manufactures equipment to perform the photometric testing requirements for this standard.

Photometric Solutions International can also measure the spectrum of the light source as a function of angle around the device, and calculate the spatially integrated colour quantities.

Equipment offered: 

  • Integrating Sphere Photometers 
  • Gonio-spectroradiometer System 
  • Mirror Goniophotometers 
  • Absolute Luminous Flux Integrators
Measurement quantities: 
  • Luminous intensity distributions 
  • Luminous flux distribution and total luminous flux output 
  • Total luminous flux, integrated chromaticity coordinates and colour temperature 
  • Able to measure the test item in any burning position (base up, base down, horizontal and other attitudes)

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