Metrasens announced that it will be unveiling the next generation of its mass casualty threat detection solution, Proscreen 900 Plus, at ISC West. In detailed weapons testing against a series of long barreled firearms, the dual-screening methodology of Proscreen 900 Plus demonstrates an unmatched detection rate and throughput rate of 50-60 individuals screened per minute. With Proscreen 900 Plus, the screeners are placed at the outer perimeter of a facility or venue.