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PIR motion sensors are electronic devices that detect motion based on changes in infrared radiation, typically emitted by living beings. They are commonly made from materials such as plastic and metal, housing the sensor elements and circuitry. These sensors work by measuring the infrared light that radiates from objects in their field of view, triggering an output signal when motion is detected.
| Detection Range | Up to 12 meters |
| Operating Voltage | 5V to 12V DC |
| Output Type | Digital or Analog |
| Response Time | Typically less than 200 milliseconds |
| Power Consumption | Less than 50 mA |
| Operating Temperature | -20°C to 60°C |
When choosing a PIR motion sensor, consider the detection range and the operating voltage that best suits your application. It's important to specify the output type you require, whether digital or analog, as well as the response time needed for your system. Additionally, check for any environmental ratings if the sensor will be used outdoors. Quantities may vary based on project size, so provide an estimate to ensure accurate pricing.
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PIR motion sensors can last several years, often exceeding 5 years with proper use.
Yes, PIR sensors can work in daylight, but their sensitivity may be adjusted to avoid false triggers.
Digital output provides a simple on/off signal, while analog output provides a variable signal based on the level of detected motion.
PIR sensors generally require minimal maintenance, but regular cleaning of the lens can help maintain performance.
Yes, but ensure you select a model rated for outdoor use to withstand environmental conditions.
Factors include the sensor's sensitivity settings, environmental conditions, and obstacles in the detection path.