1. Directional-hemispherical reflective and transmission properties of façade elements and urban surfaces.
2. Luminous fluxes, light output and operating efficiency of lamps and luminaires.
|Standards||DIN EN 410, DIN EN 14500, DIN EN 14501, DIN EN ISO 52022-3, DIN EN 13032|
||Slats, different types of glass (e.g. cast glass, glass with multidimensional laser engravings inside), semi-transparent PV modules, urban surfaces, multi-wall sheets, lights, luminous windows|
||Spotlight array coupled with HMI and halogen spotlight|
|Sensors||Spectroradiometer in a range between 280 nm and 2500 nm|
|Sphere size||Sphere diameter 2 m with two port openings of 600 mm diameter|
|Sample size (L × W × H)
||From 600 mm x 600 mm x 100 mm up to samples with a maximum edge length of 1500 mm, thickness of 250 mm and weight of 300 kg|
|Automatic sample positioning||Swivel tilt from 0° to 180°, sample rotation from 0° to 360°, slat tilt angle from 0° to 90°|
|Calibration||Sphere factor calibrated with standard lamp|