Analog PIR Motion Sensor W216B Anti-EMI PIR Sensor Switch For Anti-burglar Alarm System


The Analog PIR (Passive Infrared) Motion Sensor W216B is a type of sensor used in anti-burglar alarm systems. It is designed to detect human movement in a specific area by detecting changes in infrared radiation emitted by a person’s body heat.

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This particular sensor is designed to be anti-EMI (Electromagnetic Interference), which means it is less susceptible to interference from other electronic devices or electromagnetic fields, making it more reliable and accurate in its detection of movement.

The W216B sensor operates on an analog signal, meaning it produces a continuous output voltage that varies depending on the amount of infrared radiation detected. This analog output can be fed into a microcontroller or other electronic circuitry for further processing and use in an alarm system.


  • The Analog PIR Motion Sensor W216B Anti-EMI PIR Sensor Switch is designed to be used in anti-burglar alarm systems and offers a range of features that make it a reliable and effective sensor.
  • Firstly, the sensor is designed with an anti-EMI feature that ensures it is resistant to electromagnetic interference, which can affect its ability to detect motion accurately.
  • Secondly, the sensor provides an analog output signal that is proportional to the detected motion. This signal can be used by the alarm system to trigger an alarm or perform other actions.
  • Thirdly, the sensor is designed to consume very little power, making it ideal for use in battery-powered applications.
  • Fourthly, the sensor has a wide detection range of up to 12 meters, allowing it to detect motion in a large area.
  • Fifthly, the sensor’s sensitivity can be adjusted to suit the specific needs of the application, providing users with greater control and flexibility.
  • Finally, the sensor is easy to install and can be mounted on a wall or ceiling, making it a convenient and practical choice for anti-burglar alarm systems.
  • Specification

    Model No. W216B
    Window size 3.8x5mm
    Sensors 2x1mm, 2 elements
    Standard Encapsulation TO-5
    Spectral Response 5-14um
    Transmittance ≥75%
    Noise <70mV
    Sensitivity(S) ≥3300V/W
    Input Supply Range (VDC) 3-15V
    Operating Temperature (°C) -30~70℃
    Storage Temperature -40~80℃


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