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Infrared Sensing Fresnel Lens Infrared Sensing Fresnel Lens

Best Spot Fresnel Lens 8002-2W

Specification

[Product Name] PIR Fresnel Lens

[Model] 8002-2W
[Material] HDPE  (High-Density Polyethylene)

[Shape Spot] Wall-Mount Compatible
[Dimension] 23.3*23.3*14.7mm
[Focal Length] 10.5mm
[Sensing Angle] 120° (ceiling or dome mounting)
[Detection Distance] 12M
[Color] white, black, customized
[Type] Wall-mounted > 1.5m (Cover type) / Celling Mounting

[Application] Motion Sensor Switches, Smart Home, Security Devices
[Manufacturer] Shandong Yuying Optical Instrument Co., Ltd


Best Spot Fresnel Lens | HDPE Material | 10.5mm Focal Length | PIR Sensor for Human Motion Detection


Shandong Yuying Optical, with 30+ years in Fresnel optics, provides high-precision, reliable, and customizable infrared, PIR, and LED Fresnel lenses for smart lighting, security, and industrial applications.


How Spot PIR Fresnel Lenses Work
The 8002-2W spot PIR Fresnel lens concentrates infrared radiation onto a pyroelectric sensor, creating a focused detection zone. When a human body or object moves through this zone, the sensor detects changes in infrared energy and triggers motion-activated systems. This spot design ensures targeted detection for switches and precise control over lighting or security systems.


Customized Services

Yuying offers customized Fresnel lenses based on customer requirements, including different sensing angles, detection distances, sizes, and test ratios. All of our products are made using original molds, preserving the accuracy of the original design and reducing the precision loss and time delays caused by secondary mold changes. New products are typically available for sample delivery within 30 days.





Advantages




  • Durable HDPE Material – High infrared transmittance and long service life.
  • Focused Spot Detection – Precise motion sensing with reduced false alarms.
  • Compact & Lightweight – Ideal for wall-mounted or miniaturized devices.
  • Customizable Detection – Adjustable angles, distances, and diameters.
  • OEM/ODM Ready – Supports bulk production and branding for smart home devices.



Custom also Ask


Q1: What material is used for this PIR lens?
A: Optical-grade HDPE, providing excellent infrared transmittance and durability.

Q2: Can the detection angle be customized?
A: Yes, detection angles and distances can be tailored for specific sensor setups.

Q3: Is this lens suitable for outdoor use?
A: Outdoor use requires proper housing protection; UV-resistant HDPE coatings are available.

Q4: Can it be used in battery-powered motion switches?
A: Yes, its lightweight and compact design supports low-power PIR modules.

Q5: Which devices is this lens compatible with?
A: Standard PIR motion sensor switches for smart home lighting, security, and IoT applications.









Applications


Motion Sensor Light Switches

Optimized for detecting human movement in rooms, hallways, and stairways.


Smart Home Automation

Supports energy-saving, motion-triggered lighting and devices.


Security Alarm Systems

Detects intrusions or human presence accurately with minimal false triggers.


IoT & Wireless Devices
Compatible with low-power PIR modules for smart home and IoT sensors.

Product Video

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