Photometry testing
of LED lamps, modules,
and luminaires

According to UNE EN 13032-4

Asselum has a T2-type goniophotometer and a T3-type goniophotometer for testing LED lamps, modules, and luminaires according o UNE EN 13032-4. During the tests, electrical and environmental parameters are continuously monitored to ensure proper stabilization of the sample under test and to provide the most reliable results possible.

Photometric tests  provide a comprehensive service to measure the quantity, color, quality, and spatial distribution of light emitted by lamps and luminaires. In addition, they deliver other relevant data such as luminous flux, electrical consumption, correlated color temperature, color rendering index, among others. All measurements and calculations are compiled in a fully detailed test report.

Asselum has a revolutionary system for measuring color and spectrum at different C and Gamma angles, allowing compliance with the new color measurement standard for SSL. With this system, chromatic aberrations, color dispersion, and various color values such as the color temperature at each Gamma angle can be analyzed in depth.

We provide the photometric files so you can perform your own simulations.

The test provides the following information:

Photometric parameters

  • Luminous flux of luminaire (lm)

  • Efficiency (lm/W)

  • Position of maximum intensity

  • Lamp power (W)

  • Beam angle

  • Glare index D

  • DLOR

  • Spread-throw angles

  • American roadway classification
    Type

  • ULOR

  • Luminous intensity class G*

  • BUG

Tables and charts

  • Polar intensity diagram

  • Cartesian intensity diagram

  • Utilization factor

  • Intensity matrix

  • Isolux distribution curve

  • Glare

  • Beam or cone angle

  • TM-15 roadway classification

  • Luminaire Classification
    System (LCS)

Color and spectrum parameters

  • Irradiance and Radiance

  • Correlated Color Temperature (CCT)

  • Spectrum 380 nm – 780 nm

  • Color Rendering
    Index (Ra and R1–R14)

  • Chromaticity coordinates
    x,y and u’ v’

  • Angular color uniformity Δu’v’

  • Rf (IES-TM-30)

  • Dominant wavelength

  • CIE 1931 and CIE 1976 diagram

  • S/P Ratio

  • Rg (IES-TM 30)

  • Color purity

  • Du’v’

  • PAR parameters for
    horticulture

  • Índice

Electrical parameters

  • Tension

  • Apparent power

  • Intensity

  • Power factor

  • Electric consumption (W)

  • Reactive power

Additional parameters

  • Environmental conditions

  • Product image

  • Measurement uncertainties

  • Measuring instruments

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