Specification - Illumination Area : 100x100mm2 - Spectrum Range : 300 ~ 1700 nm - Spectrum : A++ - In-stability : A+ - Uniformity : A - Reference Cell (option) : KG3 for Perovskite Top / BL7 for Si Bottom - Spectrometer (option) : HS-IL - Achieve the spectral level of dual lamp system (xenon lamp plus halogen lamp) - 100% SPC and better SPD Application - Accurate measurement of perovskite/crystalline silicon tandem solar cells