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

Motion Detect Module Plastic Fresnel Lens S9003 for Automatic Light

Overview

The function for Fresnel lens

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

  • Protect PIR sensor. Most of the alarm system and lighting are outdoor, so that we need the fresnel lens to protect the PIR sensor .


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. There are transparent type, white color and black color for your choose.

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Advantages

  • Easy to install

  • High quanlity

  • Factory price


Specification

  • Model Number: S9003

  • Overall size: 23.5mm

  • Focal length: 10.5mm

  • Detectable distance: 5m

  • Viewing angle: 100°

  • Color: Transparent

  • Material: HDPE

 

FAQ

1. What is the payment term?

TT 100% in advance.

2. What is the package.

Plastic bag.

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FAQ
  • Is Wave Soldering Recommended?

    Wave soldering is likely to cause degradation of product performance. Wave soldering is not recommended. Generally we recommend to solder by hand.


  • Can PIR Sensor Detect Animals?

    PIR sensors are excellent in human and animal detection. They are mostly used in triggering an intruder alarm and activate household appliances upon the presence of a human.

  • Do PIR Sensors Work Through Glass?

    No, alarm motion sensors do not work through glass. Most motion sensors use passive infrared (PIR) technology to detect motion. Changes in IR energy are not easily detected through glass. This is why motion sensors will generally not work through windows, which are usually insulated.


  • What Is The Package?

    1. PIR sensor: Graphic Carton-> Carton

    2. LDR: plastic bag -> Graphic Carton -> Carton

    3. Fresnel Lens: plastic bag -> Carton


  • What are the Factors that Affect the Performance of the Product?

    1. When there is dirt on the window, it will affect the detection performance.

     

    2. When the ambient temperature and the human body temperature are close, the detection and sensitivity are significantly reduced, sometimes causing short-term failure. The recommended minimum temperature difference between the ambient temperature and the human body temperature needs to reach at least 4 ° C.

     

    3. When designing the circuit, pay attention to anti-interference measures to prevent false alarms caused by radio frequency interference.