Designed to provide added flow measurement accuracy of the entire flow stream in industrial water treatment, wastewater and municipal water systems, 3300 Series Ultrasonic Flow Monitoring System advances the use of Doppler ultrasound technology by utilizing "Advanced Spectrum" signal processing in measuring the entire flow stream. System features an ultrasonic flow meter that is tailored for top performance in water/wastewater and industrial waste applications and municipal water installations. Users can choose from three sensor configurations best suited for specific application requirements. A high intensity flashing LED display allows determination of flow rate at a distance. GF Piping Systems 2882 Dow Ave. Tustin, CA, 92780-7258