Who we are

ONICON offers a full line of inline, insertion style and clamp-on flow meters as well as networkable BTU meters and flow displays. Our flow meters and temperature sensors are individually wet-calibrated, and all products are delivered fully programmed for your application and ready to use. This attention to detail simplifies installation and maximizes performance.While we offer a full line of meters, ONICON is widely recognized for our innovative hand-insertable insertion style flow meters. This unique design has advantages not found in other meter types.

  • They can be installed or removed in a matter of minutes without the need for specialized tools.
  • Our insertion meters are ideal for wet-tap installations where it is not practical to interrupt flow.
  • They are priced independent of pipe size, making them an excellent value when installed in larger pipes.
  • Use of our insertion style meters simplifies periodic flow calibration and maintains traceability in measurement accuracy.

More about us


  • Turbine Liquid Flow Meters
  • Electromagnetic Flow Meters
  • Vortex Flow Meters
  • Clamp-on Transit Time Ultrasonic Flow Meters
  • Inline Ultrasonic Flow Meters
  • Thermal Mass Flow Meters
  • Energy Measurement


ONICON Incorporated

11451 Belcher Road South
Largo, Florida  33773 USA

Phone: +1 (727) 447-6140
Fax: +1 (727) 442-5699



Where we are located