Portasonic® Ultrasonic Flow Meter by Coltraco Ultrasonics

The Portasonic® is a handheld portable clamp-on transit time flow meter device for accurate flow measurement from outside a pipe – especially for fire protection water sprinkler and fire hydrant systems. The unique clamp-on fixture makes installation straightforward, requireing no special tools or skills and due to the non-invasive nature of clamp-on transducers, there is no pressure drop, no moving parts, no leak and no risk of contamination or corrosion. This ultrasonic flow meter is ideal for the measurement of flows in clean, non-aerated fluids such as water, water/ glycol and oils in full pipes from ½” to 180” (12 to 4570 mm) diameter can be measured and the ultrasonic signal penetrates all common metal and plastic pipe materials.

  • Works on almost any liquid
  • Lifetime Support
  • Calibration and training certificates available
  • Ultrasonic Technology

Operating Method of Portable Ultrasonic Flow Meter

Transit Time flow meters utilize two transducers that function as both ultrasonic transmitters and receivers. The transducers are clamped on the outside of a vertical or horizontal pipe at a specific distance calculated by the instrument. The elapsed time of this ultrasonic flow meter between transmitted and received signals varies very slightly depending on whether the signal is traveling upstream or downstream and by comparing these time differences an accurate calculation of the flow rate is possible and is displayed in your choice of engineering units. As the ultrasonic beam crosses the pipe, compensation for laminar or turbulent flow is automatic.

Depending on the application and flow profile, the transducers can be mounted in V-method in which case the ultra sound transverses the pipe twice, the W-method in which case the ultra sound transverses the pipe four times or the Z-method in which case the transducers are mounted on opposite sides of the pipe and the ultra sound transverses the pipe only once. These modes are automatically selected by the instrument and are also user selectable. (X) Letter denotes the distance between the transducers, which is automatically calculated by the instrument at setup depending on the inputted application data.

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