PRESS RELEASE

GL Opti Sphere 2000

GL Optic has developed the GL Opti Sphere 2000 (GLS 2000). With an internal diameter of 2,000mm and an opening aperture of 700mm, the system is able to accommodate complete lamps but also large modules comprising several LED arrays.

The inner surface of the sphere is coated with barium sulphate, a diffuse-reflective material. The Integrating sphere provides enough space to accommodate complete lamps and offers the spectral capacity for testing the entire product. The GLS 2000 can be used for all types of lamps, such as street lights, emergency lighting, lamps for medical purposes or vehicle lights.

Thanks to its spectral properties and a calibrated spectral range of 240 to 2,600nm, GLS 2000 is an ideal tool for determination of luminous radiation values (mW) and luminous flux (lm). The system is capable of measuring simultaneously the absolute value and various radiometric and photometric parameters. These include determination of the colour rendition index (CRI) according to CIE, correlated colour temperature (CCT) according to CIE and colour coordinates according to CIE 1931 and CIE 1964.

In addition to measurement and evaluation of basic parameters, the accompanying GL SpectroSoft software, also developed by GL Optic, allows for automatic specification of many other lighting-related variables. These variables include tristimulus value, chromaticity coordinates, dominant wave length, peak wave length (in nanometres) or half-power width of the spectral lines.

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