Product Mode： Fixed mode of products： Test Speed： Number of tests： Equipment size： Description: The dust filtration efficiency testing equipment mainly adopts a self-developed control system, combined with imported laser particle counting. Comprehensive evaluation and testing of dust separation ability of vacuum cleaners based on upstream and downstream test data. Using a dust generator device, evenly distribute the dispersed aerosol into a 100MM diameter suction duct, and use a standard suction duct to suck the dispersed aerosol into the test hood