Model 521 Microtops II® Ozonometer

Solar Light’s Model 521 Microtops II® is a 5 channel hand-held ozonometer for measuring total ozone column per standard WMO configuration easily, accurately and dependably. It measures direct solar ultraviolet radiation at 3 discrete wavelengths within the UVB range, as well as total water vapor and aerosol optical thickness (AOT) using the 936 and 1020 nanometer channels. This meter features 2% accuracy, which is comparable to much larger and more expensive instruments. Many options are available to facilitate field operations, such as a separate GPS receiver and rugged carrying case.