UV and Visible Spectro Tester Digital device ideal to check UV-protection and transmission values of a lens. Rear-illuminated LCD display. The first display shows: – Transmission rate of UV light – Transmission rate of visible light. The second display shows: – Degree of UV protection – Filter category according to EC norms. Power supply: 110V 50Hz (12V – 1A with transformer) Dimensions: 220x145x70 mm Weight: 0.62 kg.