Caption: Solar Light Company, Inc. Model 501 UV Biometer-Radiometer Credit: Solar Light Company, LLC Related Press Releases Solar Light Company, Inc. Announces Updated 501-Series Outdoor Radiometers / Biometers Link to this video Email & IM: HTML Code: Video Information Headline: Solar Light Company, Inc. Model 501 UV Biometer-Radiometer Source: Solar Light Company, LLC Release date: Thursday Mar 8, 2018 Release time: 11:38 am City:: Glenside State:: PA Country:: United States of America [US]