1. Introduction The tumbling barrel is designed according to IEC60068-2-31 clause 5.3/figure A.1, IEC60598-1 clause 4.13.5, IEC60884-1 clause 24.2 for repeat free fall test. The test is to check the mechanical strength of the electrical appliance like plugs and socket-outlets, t he sample shall be placed in the tumbling barrel and subjected to prescribed number of falls. The operation panel is equipped with an emergency stop button, which is convenient for stopping the test at any time. 2. Specification Control units Button control+meter /touch screen Test station 1 Rotating speed 5R/min Rate of fall 10 falls/min Falling height 500 m m or 1000mm optional Number of falls 0-999999 (settable) Complete the prescribed number of falls, the equipment will auto stop Configuration T wo-end steel sheet thickness: 3mm Body steel sheet thickness: 1.5mm Backed hardwood: plywood with thickness 1 0-19 mm Bevel: backed by 2 wedge-shaped chip-resistant...