Taidacent 50 Pcs 12080 PIR Sensor Lens Fresnel Lenses for PIR Sensors Infrared Electronic Thermometer Lens Induction Angle 30 Degrees

Description

• Model: 12080
• Size: Diameter 12
• Focal length: 8mm
• Induction angle: 30
• Temperature measurement distance: 3-5cm

Principle Introduction
It is composed of multiple lenses assembled. The focus of each single lens is in the sensor window. Through the lateral movement of the person, the thermal energy of the human body passes through the single lens to another lens. Different times of heat energy form a potential difference, and different potentials form a current, and the current passes through a switch.
Parameter
Model: 12080
Size: Diameter 12
Focal length: 8mm
Induction angle: 30
Temperature measurement distance: 3-5cm

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