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7703-1 Fresnel PIR Sensor Lens Motion Light Switch Lens rectangle lens

Fresnel PIR lens has two functions:
1. It is the focusing effect, that is, the pyrolysis infrared signal is refracted (reflected) on the PIR.
2. The detection area is divided into a number of bright areas and dark areas, so that the moving object entering the detection area can generate a modified pyroelectric infrared signal on the PIR in the form of temperature change.

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7703-1

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rectangle PIR lens PIR lens PIR sensor lens ceiling motion lens light switch lens LED switch lens

Product Description

Product classification of Fresnel PIR lens

Fresnel infrared sensor lens produced by our company is divided into five series according to the appearance and size.

1. Helical series below Φ30mm ----Easy to install, easy to conceal

2. Φ30mm or more hemispherical series ----- mostly used for ceiling lamps, large sensing angle

3. square sheet series ------ mostly used in security series, long sensing distance, large horizontal sensing angle

4. circular sheet series ----- mostly used for infrared thermometer, small diameter, small focal length

5. special shape series ------ customer special requirements open mold

Key Words:Fresnel lens、PIR lens、PlR sensor lens、ceiling motion lens、light switch lens、LED switch lens、PIR HDPE LENS、Pyroelectric infrared sensor,rectangle lens