Vltrasonic device and the method that fluid flow is measured with the Vltrasonic device

The method that fluid flow is measured the invention discloses Vltrasonic device and with the Vltrasonic device, a kind of Vltrasonic device being directed to include the ultrasonic transducer that setting is used to be coupled to the fluid line on one or more pipelines and be installed on the pipeline.Wherein the pipeline includes the main body for being formed with flow channel and the heat insulation structural for being coupled to the main body, which includes organic polymer material, and setting is used to for the ultrasonic transducer and the flow channel being thermally isolated.The present invention also relates to the methods for using the Vltrasonic device measurement fluid flow.