FLIR IRW-3C (19251-100) 3" Aluminium InfraRed Inspection Window

FLIR IRW-3C (19251-100) 3" Aluminium InfraRed Inspection Window

The FLIR IRW-3C is a 3-inch aluminum infrared inspection window designed to provide safe, reliable access for infrared and visual inspections inside energized electrical equipment. Built with a rugged anodized aluminum frame and crystal-clear CaF₂ optics, it offers durable performance in demanding industrial environments.

List of contents:

• 1 x InfaRed Inspection Window
• 1 x Case
• 1 x Mounting instructions
• 1 x Additional Safety Screw

Features:

• 3" inspection window for broad field of view
• Anodized aluminum body for corrosion resistance and long service life
• CaF₂ (Calcium Fluoride) crystal optics suitable for short-, mid-, and longwave infrared
• Supports visible light spectrum for visual inspections
• NEMA Type 4/12 rated for indoor/outdoor use
• UL, CSA, and IP67 certified

Specifcations:

• Material:
  • Optics: CaF₂ (Calcium Fluoride Crystal)
  • Body: Anodized aluminum
  • Hardware: Steel
• Maximum Operating Temperature: 260 °C
• Storage temperature range (Optics): Maximum 1357 °C
• NEMA Environment Type: Type 4/12 (Outdoor/Indoor)
• Required Hole Diameter (Nominal): 88.9mm (3.5”)
• Window Thickness: 2mm 
• Crystal Insert Diameter: 75mm (2.95”)
• Greenlee Punch: 739BB
• Overall Thickness: 107.4mm (4.22”)
• Viewing Aperture Area: 3739mm² (5.79 in²)
• Viewing Aperture Diameter: 69mm (2.71")
• Required Hole Diameter, Nominal: 60.3mm
• Visible light spectrum: Yes
• Greenlee Punch: 76BB
• Maximum Pullout Strength: 1655kg
• Certifications: UL / IP67 / NEMA Type 4/12 / CSA
• Dimensions (L × W × H): 25.5mm × 99mm × 107mm
• Weight: 0.24kg