Dual frequency Doppler ultrasonic non-contact flowmeter. Velocity range 0.06 to 10m/s, accuracy +/-1%. Pipe size range 12~5,000mm diameter. Data logging for 90,000 points, with PC software and interface cable for download via RS232C interface. Transducer temperature range -40~122 degC. Analog output 4~20mA. Battery operated, 12h continuous use (8hr recharge)
Instructional video for the Polysonics Hydra SX30 Dual Freq Doppler Liquid Flowmeter