Fluid Components International LLC (FCI)
Fluid Components International (FCI) manufactures robust thermal dispersion instruments for flow and level measurement.
Fluid Components International (FCI) designs and manufactures thermal mass flow meters, flow switches, and level switches for industrial process measurement applications. Utilising their patented thermal dispersion flow measurement technologies, FCI delivers accuracy and reliability to the world’s most demanding processes.
AMS Instrumentation has a long history with FCI, having been the company’s first overseas distributor over 40 years ago.
Core Product Range
FCI manufactures a full range of durable thermal dispersion instruments, including:
- Thermal Mass Flow Meters: Accurate measurement of gas mass flow with low maintenance.
- Flow Switches: Reliable flow/no-flow detection suitable for gases, liquids, and slurries.
- Level/Interface Switches: Detects liquid level or the interface between two liquids (e.g., oil and water).
Unrivalled Quality and Calibration
FCI products are tested and calibrated to the most rigorous standards to ensure they meet the job you specified.
FCI operates a world-class, fully NIST traceable flow calibration laboratory.
The lab is certified to meet stringent standards such as MIL-STD 45662A and ANSI/NCSL Z-540, guaranteeing the highest quality instrumentation.
With more than five decades of experience and the world’s largest installed base of thermal dispersion instruments, you can count on FCI to deliver proven sensor solutions.

Empower Your Industry with AMS Instrumentation Solutions
Discover the difference that precise, reliable, and innovative instrumentation can make to your operations. With AMS Instrumentation & Calibration, you gain a partner committed to enhancing the efficiency, safety, and sustainability of your power, energy, or hydrogen projects.
- Call us on: +61 (03) 9017 8225
Freecall (NZ): 0800 442 743 - Email: sales@ams-ic.com.au
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