FLIR IR Inspection Windows dramatically improve workplace safety and efficiency during routine electrical condition monitoring. By enabling technicians to conduct thermal scans through a sealed panel, these windows maintain the cabinet’s environmental integrity while mitigating the primary triggers of catastrophic arc flash accidents. They utilize broadband crystal or advanced polymer lenses that seamlessly transmit short, mid, and longwave infrared wavelengths, while fully supporting visual inspections, fusion features, and laser pointers.
Installation is highly streamlined using standard knockout tools and FLIR’s proprietary PIRma-Lock™ ring nut technology, which grounds the metal components automatically and locks the window tightly in place without requiring screw holes. The units feature a permanently hinged, quick-access cover that flips open easily via a thumbscrew, ensuring no hardware components are dropped or lost in the field. Available in compact round profiles or large-format rectangular geometries, they are offered in anodized aluminum or durable 316 stainless steel to withstand corrosive or demanding industrial environments
| Feature | Specification |
| Product Category | Infrared (IR) Inspection Windows |
| Primary Function | Safe thermal and visual monitoring of live electrical equipment |
| Standard Round Diameters | 50 mm (2 in), 75 mm (3 in), and 95 mm (4 in) optics |
| Large Format Options | Rectangular configurations up to 610 mm (24 in) sizes |
| Locking Technology | PIRma-Lock™ ring nut with automatic component grounding |
| Optic Material Types | Calcium fluoride broadband crystal or impact-resistant polymer |
| Frame Material Options | Anodized aluminum or AISI grade 316 stainless steel |
| IP / Environmental Rating | IP67 waterproof and NEMA Type 4/12 indoor/outdoor compliance |
| Arc Flash Testing | KEMA tested to IEC 62271-200 (5 kV, 63 kA for 30 cycles at 60 Hz) |
| Max Operating Temp | 260°C (500°F) for body assemblies |
