Robust non-contact proximity sensor for aircraft use

| Information and Communication Technology

Honeywell IHM series cylindrical flange proximity sensors

TTI is stocking the Honeywell aerospace proximity sensor range for non-contact reliable detection of latch, door and other positional equipment.

Honeywell IHM Series Aerospace Proximity Sensors benefit from Honeywell’s 30 years expertise in designing proximity sensors for both military and commercial aircraft. Now available in Europe through TTI, the sensors reduces downtime and maintenance costs by detecting more internal failure modes accurately and reliably in extreme environments than competitive products on the market, thanks to a proprietary circuit.

Honeywell IHM Series Proximity Sensors feature enhanced vibration and EMI specifications, which help to increase flight hours and reduce system maintenance. A hermetically-sealed, all-welded stainless steel construction provides exceptional robustness and durability in harsh environments, eliminating any potential for contamination. Due to their non-contact design technology, Honeywell IHM Series Proximity Sensors detect the presence or absence of a target regardless of the often very dirty conditions in which they operate, thereby eliminating mechanical failure mechanisms, reducing maintenance costs by increasing Mean Time Between Failures (MTBFs) and so minimising downtime. A further feature of the IHM Series Sensors is the optional third output state to indicate the health of the sensor (whether operating optimally or failed), which again reduces maintenance time and delayed flights, helping to lower overall maintenance costs across the lifetime of the aircraft.

Suitable applications for the IHM Series include cargo loading latch detection; door status (open/closed position; locked status); evacuation slide door-lock mechanism; flight controls (flat/slat, spoilers); landing gear (uplock, downlock and Weight on Wheels); and thrust reverser actuation system (TRAS) (stowed or deployed status).

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