Product Mode： Fixed mode of products： Test Speed： Number of tests： Equipment size： Description: Manufactured according to the GB/T20291.1 standard, for the air flow data testing of vacuum cleaners, data testing and data collection are carried out on parameters such as voltage, current, input power, power factor, suction power, flow rate, vacuum degree, and efficiency of the vacuum cleaner. Design and manufacture according to the requirements of the national standard GB/T20291.1. Commonly used for air flow testing of vacuum cleaners, vacuum cleaner motors, etc. Widely applicable to various vacuum cleaner manufacturers and testing institutions. The relevant test data is exported via USB. The device has strong universality, simple operation, convenient control, and low failure rate