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Fluke CLKTO IR Window for Indoor Medium Voltage

Infrared Windows – Fluke CKLTO IR window helps increase the safety of your personnel and reduces cost of predictive maintenance in compliance with indoor switchgear code.

This product is discontinued or reclassified

  • Increase the safety and speed of electrical thermography

    Inspect your indoor switchgear safely with the latest IR Window from Fluke. If you are concerned about arc-flash or electrocution risk, this latest C-Range IR Window can help increase the safety of your personnel and reduce the cost of predictive maintenance, in compliance with indoor switchgear codes.

    • Impact resistant viewing pane compliant to ANSI C37.20.2 for indoor switchgear up to 72 kV.
    • CLKTO IR Windows from Fluke use the unique Quadraband™ multispectral optic, allowing inspection with any camera for total flexibility both now and in the future.
    • Certified by UL and CSA as suitable for Type 1 (Indoor) environment in North America, these C-Range windows are tested to withstand the long term aging effects of UV exposure.
    • The CLIRVU® coating—exclusive to Fluke Windows—seals the optic prior to assembly to protect against moisture degradation.
    • Own a Fluke Camera? The Quadraband™ optic is IR-Fusion® compatible, allowing the thermographer to see potential problems in visual light and thermographic mode.
    • The CLKTO IR Window incorporates a revolutionary, impact resistant viewing pane compliant with indoor switchgear regulations C37.20.2. For the first time, your Fluke IR Window allows visual inspection of your switchgear even with the cover closed.
    • Identification plate attached for unique, onsite numbering for rapid location confirmation and faster repairs.
    • Each infrared window comes complete with a security access key, installation instructions and self-adhesive drilling template.
  • Specifications
    Optic data 3460611 FLK-075-CLKTO
    Crystal insert diameter 75 mm (2.96 in)
    Viewing aperture diameter 68 mm (2.7 in)
    Viewing aperture area 3632 mm2 (5.63 sq in)
    Thickness 2 mm (0.08 in)
    Shortwave IR, Midwave IR, Longwave IR, Ultraviolet (UV) capable Yes
    Visual and fusion capable Yes
    Maximum temperature Gaskets 250 °C (482 °F)
    Body 659 °C (1219 °F)
    Optic 1400 °C (2552 °F)
    Viewing pane 150 °C (302 °F)
    Gaskets Low smoke and fume (LSF) compliant silicone
    Pull-out strength Up to 630 kg (1388 lb)
    Warranty Lifetime replacement against manufacturing defects
    • Model
      Model Name Description  
      Fluke 075-CLKTO Fluke CLKTO IR Window for Indoor Medium Voltage

      3 In. (75mm) IR Window for indoor medium voltage

    • Manuals
      CLKT, CLKTO, CLV Installation Guide Download
      CLKT, CLKTO, CLV Guide d’installation Download
      CLKT, CLKTO, CLV Installationsanleitung Download
      CLKT, CLKTO, CLV Guida all'installazione Download
      CLKT, CLKTO, CLV Guía de instalación Download
      CLKT, CLKTO, CLV Installation Guide Supplement Download
    • Application Notes
      IR window field of view guide Download
      IR windows engineering control Download
      Who sets the rules for electrical testing and safety? Download