The RU-846 Rugged Data Recorder, made of aluminum alloy with mini size, lighter weight and strong impact resistance, specially designed for vehicles, airborne, shipboard and other occasions with narrow installation space. RU-846 adopts modular combination design. Extended via USB hub, RU-846 can be used for parallel and synchronous test and analysis of 96 channels dynamic signals by a single computer, and widely used for performance test and analysis of various structures in aerospace, weapons, automotive engineering, sports safety equipment and other industries.