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Optocoupler Semiconductor Device LCR-0202 Series for Electric Circuit
Optocoupler Semiconductor Device LCR-0202 Series for Electric Circuit LCR-0202

Optocoupler is a Optoelectronic devices which use the current changes to control the resistance change.

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Low Distortion Coupling Linear Optocoupler LCR - 0203 Series for Volume Control and Electrical Coupling
Low Distortion Coupling Linear Optocoupler LCR - 0203 Series for Volume Control and Electrical Coupling LCR - 0203

Analog liner coupling is a type of photoelectric component by inputting different current to control resistance changes.

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Fresnel Optical Lens Binary Fresnel Diffractive Lens D7002 For Smart Home System
Fresnel Optical Lens Binary Fresnel Diffractive Lens D7002 For Smart Home System D7002

PIR sensor must work with the Fresnel lens, to insure the long detect rang. Fresnel lens is the precision optical lens.

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Long Detaect Rang Phase Fresnel Lens L8006WT for Automatic Light
Long Detaect Rang Phase Fresnel Lens L8006WT for Automatic Light L8006WT

There are two type for fresnel lens, flat and round. The main material for fresnle lens is poly methyl methacrylate.

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Plastic Fresnel Lens for PIR Motion Detector S9001 Smart Home System
Plastic Fresnel Lens for PIR Motion Detector S9001 Smart Home System S9001

Fresnel Lens are widely used in human motion switch, intrusion alarm system, infrared thermal sensor.

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Motion Detect Module Plastic Fresnel Lens S9003 for Automatic Light
Motion Detect Module Plastic Fresnel Lens S9003 for Automatic Light S9003

Fresnel lens can focus the PIR point. PIR detect rang will be more distance and large.

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HDPE Optical Fresnel Lens S9004 for LED Light
HDPE Optical Fresnel Lens S9004 for LED Light S9004

Fresnel lens can be made of plastic or glasses. Most of the PIR sensor use the plastic type.

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HDPE Pir Motion Detector Lens Linear Fresnel S9006 for PIR Sensor Module
HDPE Pir Motion Detector Lens Linear Fresnel S9006 for PIR Sensor Module S9006

According to your case color, we can design difference color of the fresnel lens.

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Plastic Fresnel Lens S9008 used in Alarm System
Plastic Fresnel Lens S9008 used in Alarm System S9008

The fresnel lens is a optical element, one side is smooth, another side is by a ring a part of concentric garden composition.

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Mini Size Fresnel Lens S9012 Widely used in Alarm System
Mini Size Fresnel Lens S9012 Widely used in Alarm System S9012

The appilcation of Fresnel Lens. When people goes in to the detect rang, Fresnel lens fouse the infrared on the PIR sensor, then the PIR sensor will change the optical signal to electrical signal in order to realize the PCB works.

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Tags

PIR Sensor Module Digital PIR Sensor Analog Sensor LDR Sensor Fresnel Lens Analog Optocoupler
Tags: PIR Sensor Module, Digital PIR Sensor, Analog Sensor, LDR Sensor, Fresnel Lens, Analog Optocoupler
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SENBA Sensing Technology Co.,Ltd., was founded in 2005, with the focus on producing the top quality photoelectric components, such as PIR sensors, Photoresistors,Light Sensors, Flame detectors etc. Our strategic goal is to master the core technology.