Fuel Quantity Signal Conditioners
AMETEK SFMS Fuel Quantity Signal Conditioners (FQSCs) serve as the processing hub of aircraft fuel gauging systems, converting fuel probe signals into accurate fuel quantity and mass data for avionics and display systems. With advanced filtering, diagnostics, and communication capabilities, FQSCs provide reliable fuel management information for safe and efficient aircraft operation.
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Product Details
AMETEK Sensors & Fluid Management Systems (SFMS) designs and manufactures Fuel Quantity Signal Conditioners that process signals from aircraft fuel probes, calculate fuel contents, and provide analog or digital outputs to avionics and display systems. Application-specific functions can include tank profiling, fuel compensation, filtering, low-level detection, control outputs, and built-in test capabilities.
- Converts probe signals into fuel volume and mass data
- Analog and ARINC 429 digital output options
- Digital filtering reduces response to fuel slosh
Built-in test supports system monitoring and fault isolation
AMETEK SFMS applies aerospace engineering, manufacturing, calibration, and environmental test experience to tailor each solution to the required installation, interface, and performance needs.
Benefits
- Accurate Fuel Quantity
- Slosh Filtering
- Built-In Test
- Flexible Outputs
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Feature
Fuel-System Intelligence
Signal conditioning, profiling, compensation, and filtering convert raw probe data into useful fuel-quantity information.

Feature
Integrated Diagnostics
Built-in test and fault monitoring support reliable operation and maintenance of the complete gauging system.
Benefits
Markets & Applications
Commercial Aviation
Fuel-flow measurement for transport-aircraft engines.
Fuel quantity processing for transport aircraft.
Military Aviation
Fuel gauging for tactical, transport, and special-mission aircraft.
Business Aviation
Compact signal conditioning for business and regional platforms.
Rotorcraft
Fuel quantity processing for helicopter systems.
UAVs
Fuel-management data for uncrewed aircraft.
Fuel Gauging Systems
Central processing for probes, displays, and avionics.
Tank Monitoring
Low-level detection and tank-profile compensation.
System Modernization
Updated signal conditioning for fuel-system upgrades.
Downloads
Data Sheet
Fuel Quantity Signal Conditioners
Media Gallery
Explore the AMETEK SFMS Media Gallery for a closer look at our fuel quantity signal conditioners, aerospace applications, and supporting technologies. Browse product images, videos, and technical visuals that highlight the engineering behind accurate, rugged, and reliable sensing.






