The 91192 kW (4 x 4 inch) Solar Simulator, with AM 0 filter has a typical integrated irradiance of 3575 W m-2 compared with the "1 sun" value of 1367 W m-2 of the AM 0 standard. The 91191 (2 x 2 inch) Simulator, with the same AM 0 filter, has a typical integrated irradiance of 13400 W m-2.. "/>