This device is used for automatic measurement of gas-liquid mass transfer efficiency in microreactors. The customer purchased this device for automatic measurement of mass transfer efficiency in microreactors, and completed an intelligent and fully automatic gas-liquid mass transfer platform for microreactors, including automatic cleaning, automatic recording, automatic measurement, and automatic calculation. It liberates the customer's hands and achieves efficient automatic measurement of gas-liquid mass transfer in continuous microreactors. This device is currently used for automatic measurement of gas-liquid mass transfer in micro reactions.