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Aircraft Fluid Level Sensors

 
Fluid Level Sensors
Precision Fluid Level Sensing for Engine Oil, Hydraulic, Water/Waste and Fuel Systems

AMETEK is a world leader in the design and production of fluid level sensors for engine oil, fuel, hydraulic fluid, potable water and waste systems. We offer a range of fluid probe technologies and high/low level switches making AMETEK the ideal choice for integration across the entire engine lube oil, hydraulic or fuel system.


  • Capacitance Probes +


    Custom Designed Probes for Superior Fluid Level Measurement
    • Ideal for fuel reservoir, hydraulic reservoir and engine/APU lube oil applications
    • Active capacitance offers robust signal for precise level readings and long term reliability
    • Flexible design is easily adapted for retrofitting or modernizing older aircraft
    • Temperature range: -65° to 400°F (-54° to 205°C)

  • Reed Switch Level Sensors +


    Reliable, Rugged and Proven Design for Engine, Gearbox and Hydraulic Oil Systems
    • Rugged yet simple design for immersion in high-temperature fluids
    • Proven reliability in excess of 200,000 hours
    • HTS oil-resistant seals and materials offered for high-temperature and extreme environments
    • Optional features include RTDs, temperature switches and low level warning
    • Temperature range: -80° to 450°F (-65° to 232°C)

  • Liquid Level Float Switches +


    Lightweight, Simple Design for High/Low Level Sensing
    • Ideal for aircraft fuel and oil/lubrication reservoirs, typically for high/low level readings or warnings
    • Wide variety of designs available - over 200 different configurations in service today
    • Designed to operate in and meet the demands of MIL-F-5572, MIL-F-5616, MIL-F5624, MIL-L-7808, and MIL-L-23699 fluid specifications
    • Temperature range: -65° to 275°F (-54° to 135°C)

  • Waste System Level Sensors +


    Installed on All Boeing Aircraft with Vacuum Waste Systems since 1989
    • Preferred waste level sensor for 737 Next Generation, 747, 757, 767 and 777
    • Unique electronic design based accurately distinguishes true waste level from any coating on the sensor
    • Sealed to prevent exposure to cleaning solutions, waste and other fluids

  • Data Sheet +

  • FAQs +


    What is a fluid level sensor and how does it work?

    ● A fluid level sensor detects and measures the amount of liquid in a tank or container.
    ● Uses technologies like float switches, capacitive sensing, or reed switches for accurate monitoring.
    ● Maintains reliable fluid level measurement for optimal performance.

    What are the main applications for fluid level sensors?

    Common industries:
    ● Aerospace – monitor fluid levels.
    ● Automotive – monitor fluid levels.
    ● Manufacturing – manage process fluids.
    ● Water management – control water levels in tanks and reservoirs.

    What types of fluid level sensor technologies are available?

    Each type of fluid level sensor offers unique options to fit your needs. For a more in-depth analysis of each type of fluid level sensor, open the individual tabs above.

    ● Float switches – simple and cost-effective.
    ● Capacitive sensors – ideal for non-contact measurement.
    ● Reed switch sensors – reliable for harsh environments.

    Can fluid level sensors be customized for different tanks or systems?

    Yes, customization options include:
    ● Length adjustments for tank depth.
    ● Mounting styles for easy installation.
    ● Electrical interfaces for system compatibility.

    What are the benefits of using fluid level sensors in aerospace systems?

    ● Pilot Control – accurate monitoring of fuel, hydraulic, and coolant levels.
    ● Operational Efficiency – real-time data optimizes fuel usage and maintenance.
    ● Reduced Maintenance Costs – leak detection.
    ● Regulatory Compliance – supports adherence to aerospace safety standards.