Plastic Fresnel Lens S9008 Used in Alarm System
Plastic Fresnel LensS9008 Used in Alarm System
Overview
The fresnel lens is a optical element, one side is smooth, another side is by a ring a part of concentric garden composition. Fresnel lens arrays designed for Passive Infrared Sensor. The optical surface increases lens sensitivity for PIR sensor application. All the PIR sensor must work with the Fresnel Lens.
The Fresnel lens, simply say to be in the lens side have equi-distant tooth tattoo. Through these tooth tattoo, can achieve to specified spectrum light band tong (reflecting or refraction) role. The traditional grinding optical equipment band-pass optical filters are expensive. The Fresnel lens can greatly reduce costs. A typical example is PIR (passive infrared detector). PIR used widely in alarm.
Advantages
Easy to install
High quanlity
Factory price
Specification
Model Number: S9008
Overall size:22.8mm
Focal length: 15.5mm
Detectable distance: 8m
Viewing angle: 120°
Color: Transparent
Material: HDPE
FAQ
TT 100% in advance.
Plastic bag.
Senbais a professional china sensor manufacturer. We provide Infrared Thermopile Sensor, Digital PIR Sensor, fresnel plasticand so on. Want to know about am312 pir datasheet? Please contact us.
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