Photo Emission Tech., Inc., manufactures and markets solar simulation systems that meet ASTM E927 (Japanese Standard JIS C8912 and European Standard IEC 60904-9) Class A and Class B requirements. These systems can be used for checking Photovoltaic Cell Performance and in any other application where the effect of exposure to sun light needs to studied, such as photochemistry photobiology testing and environmental exposure testing. Five standard systems are available for each class. Systems can be manufactured with three different air mass (AM) filters: AM0, AM1 and AM1.5.