Starting at $3,933.00 Starting at $3,736.35
  • Usually ships in 2-3 weeks. Call for expedite options



  • 9 to 24VDC power supply
  • 0.1 to 20m/s flow velocity range
  • Accuracy:
    • Pipe ID less than 2.95 inches ±0.5% to ±2% of flow reading
    • Pipe ID 0.51 inches to 2.95 inches ±3% of flow reading
    • All pipe ID's ±6% of flow reading
  • <500ms response time depending on pipe diameter
  • Easy to install clamp-on design
  • Rechargeable battery for up to 14 hours of use
  • Optional datalogger function for up to 100 million data points
  • Optional heatmeter function with additional Pt100 temperature sensors
  • Analog and pulse outputs
  • Backlit display
  • Push button interface
  • Suitable for multiple pipe materials including CPVC, PVDF, Steel, Copper, and more

What's in the Box

  • Transducer set and 2m cables
  • Ruled guide rail
  • Guide rails
  • 2x mounting chains
  • Output signal cable
  • Power supply
  • Tape measure
  • PVDF test block
  • Coupling grease
  • 2x Pt100 temperature probes with cables (HM model only)
  • Stainless Steel hose clip (HM model only)
  • Heatsink compound (HM model only)
  • USB-Stick (Datalogging and HM models only)


The GF Signet Portaflow 220 / 330 ultrasonic flow meter range provides simplified measurement of liquid flow in industrial environments with clamp-on installation and an easy to use interface. It is designed primarily for temporary or semi-stationary use.

The additional heatmeter option provides automatic energy calculation with the addition of 2x Pt100 temperature probes (included), thus allowing the unit to function as a heatmeter, energy meter, or a BTU meter.


  • Potable Water
  • River Water
  • Cooling Water
  • Demineralized Water
  • Water/Glycol Solutions
  • Chemicals
  • Leak Detection
  • Boiler Testing


This product can be used in the following applications: