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Overview

Honeywell Aerospace Proximity Sensor, IHM Series, Inline cylindrical flanged form factor, 2,50 mm/3,50 range, 3-wire current sinking output near/fault/far, EN2997Y10803MN termination, no hardware.
Honeywell’s patented IHM Series Aerospace Proximity Sensors are configurable, non-contact, hermetically sealed devices designed to sense the presence or absence of a target in harsh-duty aircraft applications. The IHM Series provides on/off output, and can be configured with an optional health monitoring output to the host system. The technology Honeywell uses in the IHM Series is considered an improvement on traditional ECKO (Eddy Current Killed Oscillator) topology that previously had been the standard in aerospace applications.
1PCFD3ACNN-000 Aerospace Proximity Sensors - Honeywell


Technical Specifications

Form Factor Inline, cylindrical flanged
Range Ga/Gd 2,50 mm/3,50 mm [0.098 in/0.138 in]
Electrical Output Type 3-wire, current sinking output, near/far/fault
Termination EN2997Y10803MN
Pigtail Length not applicable
Hardware None
Weight 60 g to 150 g
Sensing Distance 5 mm max.
Sensing Face Inconel®
Outer Body Material Stainless steel
Sensor Head Diameter 13,5 mm [0.53 in]
MTBF >1,000,000 flight hours
Supply Voltage 12 Vdc to 28 Vdc
Supply Current <10 mA
Operating Temperature -55 °C to 115 °C [-67 °F to 239 °F]
Target Response Time 5 ms
Dielectric Strength 1500 Vdc and 1500 Vac
Insulation Resistance 200 mOhm min. at 50 Vdc
Target Material 17-4 PH stainless steel heat treated to condition H1025
Target Dimension Rectangular target of 25 mm x 18 mm x 3 mm

Technical Specifications

Form Factor Inline, cylindrical flanged
Range Ga/Gd 2,50 mm/3,50 mm [0.098 in/0.138 in]
Electrical Output Type 3-wire, current sinking output, near/far/fault
Termination EN2997Y10803MN
Pigtail Length not applicable
Hardware None
Weight 60 g to 150 g
Sensing Distance 5 mm max.
Sensing Face Inconel®
Outer Body Material Stainless steel
Sensor Head Diameter 13,5 mm [0.53 in]
MTBF >1,000,000 flight hours
Supply Voltage 12 Vdc to 28 Vdc
Supply Current <10 mA
Operating Temperature -55 °C to 115 °C [-67 °F to 239 °F]
Target Response Time 5 ms
Dielectric Strength 1500 Vdc and 1500 Vac
Insulation Resistance 200 mOhm min. at 50 Vdc
Target Material 17-4 PH stainless steel heat treated to condition H1025
Target Dimension Rectangular target of 25 mm x 18 mm x 3 mm

Documents

TITLE DOCUMENT TYPE LANGUAGE SIZE
Proximity Sensors Line Guide Product Line Guide English 164KB
Datasheet: IHM Series Aerospace Proximity Sensors Datasheet English 1MB
32318767: IHM Series Aerospace Proximity Sensors Installation Instructions Installation Instructions English 274KB
Position Sensors Range Guide Product Range Guide English 1MB
IHM Series Proximity Sensors for Aerospace Applications Application Note English 740KB
Aerospace and Defense Product Range Guide Product Range Guide English 22MB
1PCFD3ACNN-000 CAD Drawing CAD Model -- 255KB

Product Features

  • Industry-leading indirect lightning and dielectric ruggedness: Meets the increased requirements of today’s composite aircraft and most challenging applications including landing gear, thrust reversers, and flight controls
  • Superior vibration ruggedness: Capable of withstanding extremely high vibration applications
  • Environmentally rugged: Fully hermetic packages provide long-term reliability in very harsh environments by eliminating the potential for contamination of the sensor from the application environment. In addition, Honeywell has developed an innovative method to hermetically seal wire-lead (pigtail) configurations
  • Integral Health Monitoring Capability: Optional third output state to indicate the health of the sensor (whether it is healthy or failed). Reduces maintenance time, reduces delayed flights, and lowers overall maintenance cost across the life of the aircraft
  • Non-contact design: Utilizes non-contact technology to sense the presence or absence of a target regardless of the dirty, harsh environment in which it is placed, eliminating mechanical failure mechanisms, reducing wear, minimizing downtime, increasing durability, and increasing reliability

Applications

  • Thrust reverser actuation system (TRAS) (stowed or deployed status)
  • Doors (open/closed position, locked status)
  • Cargo loading latch detection (palet locked)
  • Evacuation slide door-lock mechanism
  • Flight controls (flap/slat, spoilers)
  • Landing gear (uplock, downlock, & Weight On Wheels (WOW))

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