Small size 8308-3 good quality dome PIR Sensor Fresnel Lens for ceiling lights

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  Small size 8308-3 pir sensor fresnel lens for ceiling lights

   

   

Specification:

Model:8308-3
Focus:5mm
Angle:120°
Distance:6m
Diameter:11.8mm

Features:

1.designed for passive infrared sensor applications 

2.Well suited for compact, low profile sensors 

3.Can be used in applications involving security, lighting controls and environmental controls 

4.Optimized for dual element pyroelectric devices 

5.White light immunity to reduce false triggers 

6.UV resistant for outdoor applications 

7.Designed for uniform sensitivity to reduce electronic gain

Functions:

The Fresnel lens function has two: One, the focusing action, soon hotly releases the infrared signal refraction (reflection) on PIR, the second function is divides into the search coverage in certain area pellucidae and the dark area, causes to enter the search coverage the motion object to be able to produce by the temperature change form on PIR changes releases the infrared signal hotly.