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AvaSpec-HERO is a high-sensitivity spectrometer with a 1024x58 backthinned CCD detector and a High Sensitivity Compact optical bench. It offers high sensitivity and resolution, with a wavelength range of 200-1160nm. The instrument has a TE Cooling system, enabling long integration times in low light applications, and a high-end AD converter for minimal noise. It has a selection of gratings and slits for flexibility in various applications, including low light fluorescence and Raman applications. The AvaSpec-HERO has a high-speed USB 3.0 and Gigabit Ethernet communication interface, and digital IO ports for external triggering and control. Technical data includes a resolution of 0.2-7nm, stray-light of 0.5%, and a sensitivity of 445,000 counts/µW per ms integration time. Ordering information is available, with options for replaceable slits, order sorting filters, and coatings.