Pendulum shock device for Impact test of elevator landing door, glass door and car wall Related Standard: GB 7588-2003 Safety rules for the construction and installation of electric lifts EN 81-1 Safety rules for the construction and installation of lifts ?? Part 1: Electric lifts Soft pendulum shock device Height: 330mm ± 15mm Maximum diameter: 240mm±15mm Weight: 45kg ± 0.5kg Material: leather bag Filler: diameter 3.5mm ± 1mm lead sand Hard pendulum shock device Height: 330± 15mm