HDPE Material 12m Distance PIR Fresnel Lens for Security Monitoring
|Size ||56.7*35.7 mm|
|Focus Length||23mm |
|Angle ||110 degree |
|Shape ||laminated lenses|
|Color||white and black |
|Package||250 pieces in a poly bag |
|Free Sample ||available |
1.Designed for passive infrared sensor applications
2. Easy to cut; high compatibility , low cost and environment
3.Can be used in applications including security system, lighting controls and environmental controls
4.Optimized for dual element pyroelectric devices
5.White light immunity can reduce false triggers
6.UV resistant for outdoor applications
7.Designed for uniform sensitivity to reduce electronic gain
The Fresnel lens has two functions as follows
1. The focusing action, soon hotly releases the infrared signal refraction (reflection) on PIR,
2. Fresnel lens divides the search coverage into detection area and non-detection area. PIR can generate pyroelectric infrared sinal when moving object enters the detection area making the change of temperature.
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About Haiwang Sensor:
Shenzhen haiwang sensor co., ltd is in line of pir item for more than 10 years.Pir lens, pir sensor, pir ic and pir module can be offered.Free samples for testing is available for us.Also custom lens is ok for us.Just offer us the drawing.Philips is our current client for customed lens.
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Shenzhen haiwang sensor co., ltd