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Hotel Card Readers Use Reed Sensors for Detection

Introduction

Card readers have come under increased use in hotels and a host of other card detection activities. With the dramatic increase in use, the quality and reliability have become big factors in shaping the technology used for card detection. Furthermore, power requirements can play an important role as well. Designers have chosen reed sensors to improve the quality, reliability and reduce power usage.

Full Application Write Up
Hotel Card Reader - Reed Sensor

Features

  • Magnet and Reed Sensor are isolated and have no physical contact by typically having the magnet mounted to a mechanical arm, and the Reed Sensor mounted and positioned usually on a PCB to accurately pick up the movement of the magnetic field from the magnet on the arm.
  • The reed switch used in the Reed Sensor is hermetically sealed and is therefore not sensitive to wet, dirty, dusty environments.
  • The magnet is not affected by its environment
  • Tens of millions of reliable operations.
  • Surface mount and through hole packages available
  • Contacts dynamically tested

 

SeriesDimensionsmminchesIllustration
MK15W2.50.098 MK15 Reed Sensor
H2.50.098
L19.500.768
MK16W2.30.091 MK16 Reed Sensor
H2.30.091
L15.600.614
MK17W2.10.083MK17 Reed Sensor
H2.10.083
L9.610.378
MK22W2.70.106 MK22 Reed Sensor
H2.30.091
L15.600.614
MK23-35W2.20.087 MK23-35 Reed Sensor
H1.950.077
L15.750.620
MK23-66W2.20.087 MK23-66 Reed Sensor
H2.70.106
L19.600.772
MK23-87W2.00.079 MK23-87 Reed Sensor
H2.10.083
L15.600.614
MK23-80W2.00.079 MK23-80 Reed Sensor
H2.10.083
L13.00.512
MK24W2.20.086 MK24 Reed Sensor
H1.80.070
L5.50.216

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