Technosource International, Inc supplies Fluorescence Spectrometer. Technosource International, Inc offers process control, consumer electronics and medical diagnostics. USB4000-FL Fluorescence Spectrometer is preconfigured with an L4 Detector Collection Lens to increase light-collection efficiency and reduce stray light. The high-sensitivity USB4000-FL covers the 360-1000 nm wavelength range. Fluorescence Spectrometer also features a programmable microcontroller that lets to implement operating parameters in the software, control the spectrometer and external excitation sources, and even retrieve data on external objects.