Dynameters Shanghai Co., Ltd. is a professional manufacturer of ultrasonic flow meters. We have been awarded CE certificate and EXD certificate, and ATEX certificates. We were a Key Cooperative Enterprise of Sino-America International Communication issued by Sino-America Exchange Association in 2006. We have a Standard Flow Laboratory utilizing the German Sartorius Weighing System and can calibrate the flow in pipes ranging from DN12mm to DN800mm. The calibration accuracy can be up to 0.10%. Our main products are Ultrasonic Transmit-time Flow Meters (including DMTFB Clamp-on Series, DMTFC Insertion Series, DMTFF Flanged Series, DMTFD Centre-Insertion Series, DMTFH Handheld Series, DMTFP Portable Series and DMHF Heat Flow Series), Ultrasonic Doppler Flow Meters (including DMDF1B Clamp-on Series, DMDF1C Insertion Series and DMDF3 Portable Series), DMTFW Ultrasonic Water