Widely angle PIR fresnel lens optional functions(HW8003-2)
|Application||Led Lighting or secuirty items|
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
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.
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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