Product Mode： Fixed mode of products： Test Speed： Number of tests： Equipment size： Description: 1.1 This testing system uses the energy efficiency values in the reference standards IEC60879-2019, GB/T13380-2018, and GB12019-2008 "Energy Efficiency Limits and Grades for AC Fans" to test the air volume and energy efficiency usage values of the electric fan according to the requirements of GB/T13380-2018 "AC Fans and Speed Governors", and determines its qualification based on national standards; The testing system has the characteristics of accurate data, good repeatability, high efficiency, and convenient data storage. 1.2 The testing system mainly consists of a room, a test screen, a control system, and an air volume acquisition system. It is controlled by Mitsubishi PLC and an industrial computer from Japan, and displays and sets relevant test data through a 17 inch touch screen display It includes the movement distance, speed, test height, air volume, temperature/humidity, speed, voltage, current, power, etc. of the X, Y, and Z coordinate axes. The relevant test data has automatic saving and can be exported via USB. 1.3 Room Body: Provided by the customer (not less than 6.5 meters x 6.5 meters x 4 meters) 1.4 Test screen: According to relevant standards (size: 4.5 meters X 4.5 meters X 3 meters) 1.5 Testing Product Category: Floor Fan, Table Fan, Ceiling Fan