Polysonics Hydra SX30 portable ultrasonic flowmeter

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The Polysonics Hydra SX30 is a portable flowmeter which combines dual frequency doppler (DFD) technology with digital signal processing to deliver high performance and simple operation. It is available to rent from TechRentals.

The product generates two independent ultrasonic signals to help eliminate external noise. This makes it suitable for the measurement of aerated or solids-bearing fluids in applications such as slurries, dredging, and primary or activated sludge.

The ultrasonic non-contact doppler flowmeter comes with NEMA 6 environmental sealing and can be operated continuously for up to 12 h. It has a transducer temperature range from -40 to 122°C and an analog output of 4–20 mA.

Measurable velocity range is from 0.06 m/s to 10 m/s with an accuracy of ±1%, with pipe sizes ranging from 12 mm to 5 m in diameter. Data logging is available for up to for 90,000 points, and PC software is available to download via an RS232C interface.

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