Complete absolute irradiance, 200 – 650nm, in a tiny format. The system is just 2″ x 2″, couples to your PC with a USB cable, and provides spectroradiometric data of light striking the 12.5mm diamater cosine corrector.
Pre-calibrated at the factory for absolute spectral irradiance
STS Microspectrometer, 190-600 nm, 25 um slit, 400 µm core/1 cm SMA 905 input
Direct-attach cosine corrector with Spectralon diffuser