HDPE Material PIR Lens | HF-4

HDPE Material PIR Lens for Four-Element PIR Sensor Modules | HF-4 Wide Coverage Optical Lens

The HF-4 HDPE Material PIR Lens is a quad-sensor Fresnel lens specifically engineered for ceiling-mounted infrared detection systems using four PIR sensing elements.
Designed with a 14mm focal length, 360° optical coverage, and a 12-15 meter detection range, the HF-4 distributes infrared energy across multiple sensing channels, enabling broader coverage and enhanced detection consistency.
Its multi-element optical architecture is ideal for advanced sensing products that require segmented detection zones, improved spatial awareness and reliable performance in commercial and professional applications.

What is the HF-4 HDPE Material PIR Lens?
The HF-4 is a quad-element HDPE Fresnel lens designed for ceiling-mounted PIR systems using four infrared sensing elements. With a 14mm focal length, 360° optical coverage and a 12–15 meter detection range, it provides efficient infrared distribution for wide-area, multi-zone sensing applications.

Single PIR vs Quad PIR Lens

Why Choose a Quad PIR Optical Design Advantages of Quad PIR Architecture Supports four independent PIR sensing elements Creates multiple infrared detection zones Improves coverage uniformity across large spaces Reduces blind spots through optimized optical segmentation Compatible with advanced detection algorithms Suitable for intelligent occupancy analytics Flexible integration into commercial sensing platforms Precision optical performance from Yuying Optical