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Hybrid Ultrasonic Flow Meter


  • User-selectable Doppler or Transit Time operating modes for measurement of both clean and dirty fluids

  • The meter can be factory configured for easy installation

  • Custom quality metric algorithms and DSP technology for reliable, high accuracy measurements

  • To allow for changes in the fluid’s particle count, SonicPro monitors the signal gain and employs an Automatic Gain Control (AGC) algorithm that periodically adjusts the gain, maintaining the optimum power level

  • Smart external communication with simple, intuitive, Sonic-Pro software

  • Portable, rugged carrying case for easy transportation between applications

  • 2 year factory warranty

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Lead-Time Approximately 2 Weeks

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The Sonic-Pro Flow Meters can measure fluid flow in virtually any fluid in which sound waves can travel.  The Ultrasonic Flow Meters are considered "hybrid" because they can measure fluid flow using either the Doppler or Transit Time methods.  The Sonic-Pro ultrasonic flow meter's sound transducers are clamped to the outside of the pipe wall and include no moving parts.  This method of flow measurement is safe, non-intrusive and extremely easy to service.

This flow meter is available in several configurations, our goal is to make sure your flow meter is properly configured at the factory with all the features and functions you need. Please call or E-Mail us so we can provide you with a customized sales quote.


This SONIC-PRO Ultrasonic Transit time flow meter can be utilized in a wide range of full pipe applications including groundwater, potable water, raw wastewater, effluent, well water, slurries and many more sound conducting liquids.


Smart communications and control


Transducer model

Transducer cable length


Pipe Sizes

T-Track fitting allows for small pipe diameter capabilities (1/2”-24”)

Pipe size range ½”-100”


Virtually any acoustically conductive fluid, Dirty or Clean

Doppler Mode:

Requires particles to be present in the flow stream to “reflect” the sound waves. (ie. Air bubbles, sand, etc.)

Operational Environment:

fluid contains .02%-15% (200-150,000 ppm) of particles.

Transit Time Mode:

Requires relatively “clean” fluid to enable the sound waves to complete a circuit.

Operational Environment:

0%-10% (0-100,000 ppm) of particles.


+/- 1% of rate in Transit-Time mode greater than 1 ft/sec fluid velocity

+/- 0.01 ft/sec in Transit-Time mode less than 1ft/sec fluid velocity

+/- 2% of rate in Doppler mode greater than 5 ft/sec fluid velocity

+/- 0.10 ft/sec in Doppler mode less than 5 ft/sec velocity

Data logging:

to standard SD Card supplied with unit. User configurable to time interval, flow rate and total set-point triggers. 500,000 events with included 32MB SD Card.

Optional Computer Connection:

Ethernet, USB, RS-232, RS-485. Permits remote access and control of all functions including real-time display, system configuration, data logging, remote data capture as well as process control functions. Software permits remote internet access through local network setup.

Optional Process Control:

Three independently configurable 10 amp, form C relays. Configure to flow rate for high/low/range rate alarm for to flow total for wither manual trigger batch operations of flow triggered batch operations.

4-20 mA output: Fully configurable

0 – 1000Hz Pulse Output : Fully configurable