... Key rebound tester 1.Max load:2KN 2.use for FRP, ABS, EVA, PU 3.computer control display 4.prompt ... sensor Basic configuration sensor max load: oneEffective tensile stroke400, 500mm (can be increased the tensile space according to customers requirement ... , such as rubber, tires, belt, shoes, plastic, film, acrylic, FRP, ABS, EVA, PU, aluminum-plastic pipe, composite materials, waterproof materials ...