PIR Infrared Sensor – wireless
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PIR Infrared Sensor – wireless

$129.90

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Description

PIR Infrared Sensor – wireless

*DC 12 V

*NC/NO

A wireless PIR (Passive Infrared) sensor is a motion detector that uses infrared technology to sense movement without needing physical wires. It detects infrared radiation emitted by objects, such as humans or animals, and triggers an alert when a change in the infrared field is detected. These sensors are commonly used in security systems, automatic lighting, and other applications where wireless motion detection is needed. 

Here’s a more detailed breakdown:
PIR Technology:
  • Passive Infrared (PIR):
    PIR sensors detect infrared radiation, which is emitted by all objects with a temperature above absolute zero. 

  • Pyroelectric Sensor:
    PIR sensors utilize a pyroelectric sensor that can detect changes in infrared radiation levels. 

  • Motion Detection:
    When a person or animal moves within the sensor’s field of view, the infrared radiation emitted by their body causes a change in the infrared levels detected by the sensor. 

  • No Active Emission:
    PIR sensors do not emit any radiation themselves; they passively detect the infrared radiation emitted by other objects. 

Wireless PIR Sensors:
  • No Wiring Required:
    Wireless PIR sensors communicate with a receiver or other connected device wirelessly, eliminating the need for physical wiring. 

  • Easy Installation:
    This makes them easy to install in various locations, especially where running wires is inconvenient or impossible. 

  • Battery Powered:
    Many wireless PIR sensors are battery-powered, further simplifying installation and maintenance. 

  • Typical Applications:
    Wireless PIR sensors are often used in:

    • Home security systems: Triggering alarms or notifications when motion is detected. 
    • Automatic lighting: Turning lights on when someone enters a room or area. 
    • Industrial settings: Monitoring for movement in warehouses or other large spaces. 
    • Smart home automation: Triggering other smart devices based on motion detection. 
In summary, wireless PIR sensors offer a convenient and versatile way to detect motion without the need for complex wiring, making them a popular choice for a wide range of applications. 
Additional information
Weight 0.15 kg
Dimensions 20 × 15 × 8 cm
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