Home » FLIR IRW-4C - 4" Infrared IR Window
FLIR IRW-4C - 4" Infrared IR Window
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FLIR IRW-2C is a 2" infrared IR window used for visual and infrared thermographic inspection of energized electrical equipment.
All FLIR IR Windows feature a secure, permanently-hinged cover that opens easily with one hand, which means there’s nothing to remove, drop, mix up, or lose. FLIR’s broadband crystal allows cameras to capture visible light pictures as well as thermal images and lets LED and laser illumination pass straight through for clearer visual assessments. They are suitable for both indoor and outdoor use.

Opening electrical cabinets to perform IR and visual inspections of live components is dangerous work, exposing you to the risk of a hazardous arc flash incident. Out of necessity, it’s also a painstaking, time-consuming process. Now you can put the added safety of new FLIR IR Windows between you and energized equipment to better protect yourself and eliminate the need for opening enclosures. Much easier to install and use than other brands, FLIR IR Windows help you work faster with greater confidence. Perform inspections more efficiently and reduce the threat of arc flash injury significantly so you can get more done and stay in compliance with NFPA 70E requirements.
Combine FLIR IR Windows with a FLIR thermal camera that features integrated visible light video, lamps, and a laser pointer, and you’ll be set to get the job done single-handedly.

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FLIR IR Windows Features:
Easy Installation - FLIR IR Windows install quickly and securely using
the same design as common conduit connections:
- Only one hole to create for each window
- One simple PIRma-Lock™ ring nut to tighten
- Uses standard US punch tools for hole knockouts
PIRma-Lock™ Reliability – Tried and true locknut technology makes
FLIR’s locking ring an IR window first:
- Teeth lock tight to the inside of the panel
- Automatically grounds metal components
- No screw holes required that might later strip out
Quick Access Hinged Cover – Simple thumb screw releases the
permanently-hinged IR window cover:
- Easy, flip-open hatch for faster scans
- Prevents dropping, mix-ups, and loss
- Inside label for permanent identification
Broadband Crystal IR Window – Lens encased in rugged, anodized
aluminum frame allows indoor & outdoor scans:
- Transmits short, mid and longwave IR images
- Supports visual inspections and fusion features
- Lets laser pointers and illumination shine through
Greater Productivity and ROI – Significantly reduces inspection time
for more efficient assessments within NFPA 70E guidelines:
- Requires only one person instead of three
- Eliminates need for cumbersome PPE
- Helps reduce vast majority of arc flash triggers
FLIR Integrity – FLIR backs IRW-Series windows with comprehensive
testing and a limited lifetime warranty:
- Meets UL, KEMA, and TUV standards and ratings
- Withstands arcs, vibration, and extreme humidity
- Limited Lifetime Warranty against manufacturer defects










