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Emission Control Sensor

Introduction

Trying to find a sensor that will function on the underbelly of an automobile where ice, snow, oil, dirt, grime, very high and very low temperatures may exist at any given time represents a very difficult objective.  The muffler system alone may have temperatures on part of its system in the several hundred degrees Celcius range.  Catalytic converters on the muffler system have a valve that must have its position sensed in order to automatically adjust the fuel mixture minimizing exhaust fumes.  Auto designers have turned to Standex Electronics’s Reed Sensors…

Full Application Write Up
Exhaust Fumes Emissions - Reed Sensor

Features

 

  • Capable of operating between -50°C to 150°C
  • Contacts dynamically tested
  • Cylindrical panel mount and screw fastening mounting
  • High temperature plastic and teflon leads used
  • Large sensing distances possible
  • Magnet and reed sensor are isolated and have no physical contact by typically having the magnet mounted on the valve in the catalytic converter and the reed sensor mounted and positioned to detect the end limit position(s)
  • Tens of millions of reliable operations
  • The permanent magnet is not affected by its environment
  • The reed switch never comes in contact with the actual movement of the piston
  • The reed switch used in the reed sensor is hermetically sealed and is therefore not sensitive to rough, wet, oily dirty environments that clearly exist on the body of the car which is exposed to the pavement

 

SeriesDimensionsmminchesIllustration
MK03Dia5.800.244
MK03 Reed Sensor

M03 magnet not included

L25.51.004
MK14Dia40.157 MK14 Reed Sensor
L25.51.004
MK18Dia50.197 MK18 Reed Sensor
L170.669
MK20/1Dia2.720.107 MK20/1 Reed Sensor
L100.394

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