Request InfoMartin, Froeschner & AssociatesThe DVI 99 noncontact velocity recording system from Martin, Froeschner & Associates detects spontaneous changes in the frequency of light reflected from a moving surface. This turnkey system, which is housed in a 3-in. rack-mounted chassis, is connected to viewing optics via optical fibers and to a PC-based data acquisition and analysis system. The fast amplified photodiodes located in the data acquisition system can record changes in velocity with subnanosecond resolution. Unlike vibrometers, there are no limitations on maximum velocity or response time. Changes in surface reflectivity or...See full productRelated content from Photonics MediaPRODUCTSPhotonics.com 8/11/2022Optical Measuring MachineThe Re-Light optical measuring machine from Metrios Vici & C SpA accommodates both flat and cylindrical parts. 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