Description:
- PIR stands for “Passive Infrared” which basically means it doesn’t emit any light or energy itself. Instead, it senses the tiny fluctuations in infrared radiation (heat) that everything gives off.
- Inside the sensor are two special pyroelectric crystals that act like tiny heat detectors.
- The functionality of the PIR Motion Sensor is based on its ability to detect infrared radiation patterns associated with the movement of warm-blooded creatures.
- PIR sensors have adjustable sensitivity knobs or settings, allowing you to control how big of a temperature change it takes to trigger the alarm.
- When a person or animal moves within the sensor’s detection range, the changes in the infrared radiation pattern trigger the sensor to generate an electrical signal.
Specification:
- Model: HC-SR505
- Operating Voltage (VDC): 4.5 ~ 20
- Distance Measuring Range (cm): 10 ~ 300
- Dimensions (mm): 10 x 23 x 5
- Weight (gm): 10
- Working Temperature Range (°C): -20 to 80
- Sensor Lens Diameter: 10mm
- Induction angle: <100
- Shipping Weight: 0.015 kg
- Shipping Dimensions: 4 × 3 × 1 cm
Package Includes:
1 x PIR Mini Motion Sensor
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