https://www.econlux.de/wp-content/uploads/2017/11/ECONLUX_LOGO_220_120.png00Arné Michelshttps://www.econlux.de/wp-content/uploads/2017/11/ECONLUX_LOGO_220_120.pngArné Michels2017-12-14 14:27:452017-12-14 14:27:45Solarmeter® Model 9.4 Visible Blue Light Meter