The manufacturer of the Spectra Academy SA Miniature UV-Vis Spectrometer is K-Mac. New In The Box K-Mac Spectra Academy SA miniature UV-Vis spectrometer (single beam) complete with SV2100U detector, DH2100U light source, DH2100P Replaceable Bulb, operating software and operator's manual. The Spectra Academy can measure absorbance & transmittance, fluorescence & reflectance, and emission by switching the light source.