Magnetic sensor to open door/window - reed contact CMD20

Index: SES-03129 EAN: 5904422373610

Wired proximity sensor activated magnetically. The device is used to determine the position of doors and windows. Case dimensions - 20 x 64 mm.

Magnetic sensor to open door/window - reed contact CMD20
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Manufacturer: OEM

Description

Wired proximity sensor activated magnetically. The device is used to determine the position of doors and windows. The principle of operation is similar as in a traditional relay. The circuit is open by default, when approaching the magnet, circuit is being closed, which means that through the wires, the current begins to flow.

Czujnik magnetyczny otwarcia drzwi/okien - kontaktron CMD20

Connection

The sensor can be easily connected to any cip with a microcontroller, e.g. an Arduino. By attaching a pulling up resistor or by running an internal pull-up, the read can be implemented in digital form.

 

Communication with Arduino

To verify that the functionality of the sensor, use the attached to the Arduino program - DigitalInputPullup, which is in the menu: File -> Examples -> Digital. It is sufficient to connect one sensor's wire to ground GND, the other to the pin No. 2 of Arduino, and when bringing together both parts of the sensor, the built-in L led connected to pin 13, will light up.

 

 

Specification

  • Working voltage: up to 40 V
  • Maximum current: 0.1 A
  • Internal resistance: about 200 Ω
  • Range: up to 25 mm
  • Mode of operation: off by default
  • Mounting holes: distance between them is approx. 52 mm 
  • Housing color: white
  • Dimensions: 20 x 64 mm

 

Includes:

  • Sensor
  • The magnetic element
  • Mounting screws 

 

Same-day shipping

  • Crediting the payment for the order on our account on a business day before 10:00 AM means sending the goods on the same day.
  • All packages are being delivered by GLS Group courier and covered with insurance up to 1200 EUR.
  • You will receive a link to track your package and monitor the progress of delivery as soon as it is shipped.

Terms of delivery 

GLS - zone 1

Austria, Belgium, Croatia, The Czech Republic, Denmark, Germany, Netherlands, Poland, Slovakia 

  • Delivery time: 2-4 days
  • Delivery cost: from 4.18 EUR
  • Insurance: 1200 EUR
GLS - zone 2

Bulgaria, Estonia, France, Hungary, Italy, Latvia, Lithuania, Luxembourg, Portugal, Romania, San Marino, Slovenia

  • Delivery time: 2-5 days
  • Delivery cost: from 5.35 EUR
  • Insurance: 1200 EUR
GLS - zone 3

Finland, Greece, Ireland, Spain, Sweden 

  • Delivery time: 2-7 days
  • Delivery cost: from 7.67 EUR
  • Insurance: 1200 EUR

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