Instrument Systems designed the LEDGON 100 goniophotometer to determine the spatial radiation pattern of LEDs and small LED modules. A measurement is taken over the entire forward hemisphere of an emitting LED. The LEDGON 100 provides a high angle resolution of 0.1 degrees which means even narrow emission angle LEDS can get exact measurements. When the LEDGON 100 is used with the CAS 140CT spectroradiometer the spectral parameters can be expanded to include the angle of dependence of color coordinates and color temperature. White LEDs in particular show significant angle dependence of color temperature.
An LEDGON goniophotometer can be used to determine total radiant power and luminous flux with high accuracy. The usual measurement errors that occur with typical integrating spheres (due to their shape) are avoided in this model. Instrument Systems developed a software add-on for the SpecWin Pro software that can completely automate the measurement process.
Click here for the LEDGON 100 Brochure.
|LEDGON-100 - goniophotometer|
|Angle range:||theta axis: approx. +/- 100° ; phi axis: 360°|
|Angle accuracy:)||theta axis: 0.1° ; phi axis: 1°|
|LEDGON-130 - sample table|
|Clamping range||2 x 15 mm|
|Max. test size||112 x 112 x 48 mm (W x L x H)|
|Max. test weight||700g|
|Electrical connections||10 x 0.1mm² max. 1A; 2x 0.75 mm² max. 6A|
|LEDGON-131 xy translation stage|
|Travel range||49 mm per axis|
|Max. test size||64 x 85 x 25 mm (W x L x H)|
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