Product Mode： Fixed mode of products： Test Speed： Number of tests： Equipment size： Description: The suction fan air volume energy efficiency testing device is mainly suitable for measuring the negative pressure flow curve of fans, fans, motors, etc. (professional name is P-Q curve); The testing equipment can accurately output the key performance data of the fan. Through the control of the industrial computer program, the maximum flow rate, maximum negative pressure, maximum speed, energy efficiency and other parameters of the tested cleaning products are tested and relevant test curves and data are generated