Request InfoHamamatsu CorporationThe C9692 photon detection unit from Hamamatsu Corp. assists low-light-level measurements. The device incorporates a photon-counting photomultiplier and electronics with a power supply and a USB interface. With an active area of 16 X 18 mm2, the detector achieves spectral response of 185 to 650 nm. A built-in shutter is used to adjust integration time from 0.001 to 10 s in steps of 1, 2 and 5. 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