SENSORS

Examples of Sensors Designed and Manufactured for our Customers:

Current Under Voltage
Shunts Battery No-Charge
Temperature



Current
Customer Type: Various
Aircraft Type: Various
Certified Location: Various
Function: DC types are used to monitor critical equipment (pitot/static heaters, fuel pumps, etc.) that require annunciation for operating status. AC types are used to detect Ground Faults in Starter/Generator feeder cables.
Features: Reed Switch based technology is used for detection of DC Currents and Transformer based technology is used to detect current spikes. Epoxy encapsulated for operation in extreme environments.
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Shunts
Customer Type: Various
Aircraft Type: Various
Certified Location: Various
Function: Converts electrical current to voltage signal for use by amp meter or control system.
Features: Low cost and very accurate. Fused signals available.
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Temperature
Customer Type: Aircraft OEM and USAF
Aircraft Type: Business and Military Jet
Certified Location: Wing and Cockpit
Function: Provides temperature output of monitored location to temperature control system.
Features: Thermistor based technology. Epoxy encapsulated for operation in extreme environments.
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Under Voltage
Customer Type: Aircraft OEM
Aircraft Type: Business Jet
Certified Location: Pressure Vessel
Function: Provides battery power to standby instrument when BUS voltage falls below 21.5 VDC.
Features: Standard MIL-SPEC mounting footprint. Epoxy encapsulated for operation in extreme environments.
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Battery No-Charge
Customer Type: Aircraft OEM
Aircraft Type: Business Jet
Certified Location: Empenage (Tailcone)
Function: Applies power to the “BAT NO CHARGE” indicator when Battery Bus falls below 25.0VDC.
Features: Features: Epoxy encapsulated for operation in extreme environments.
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Lee Air, Inc. • 4603 South Seneca • Wichita, KS 67217 • 316.524.4622 • FAX 316.524.9109