Used for viewing fluorescent minerals. Single 4-watt shortwave ultraviolet tube produces typical peak 254 nm intensity of 650 microwatts per cm2 at 15 cm (6") distance. Comes with 7.6 x 5.1 cm (3"x2") ultraviolet tansmitting Longlife (r) filter. Size: 3.25" W x 8" L x 2.5" H. 115V, 60Hz, UL listed and CSA approved. Adult supervision required. |