Fluke 075-CLKT 3" (75mm) Infrared (IR) Window with Kwik Twist Cover

  • Viewing aperture diameter: 68 mm (2.7 in)
  • Viewing aperture area: 3632 mm2 (5.63 sq in)
  • Engineered and tested to withstand electric-arcs up to 50 kA for 30 cycles
  • Certified by UL & CSA for Type 3/12 (Outdoor) environments in North America and Canada, the C-Range windows are tested to withstand the long term aging effects of UV exposure
  • Certified by SIRA Certification IP65 (Outdoor) environments in Europe
  • The CLIRVU coating—exclusive to Hawk IR 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.
  • Got more than one window per panel? Each C-Range window is delivered with an identification plate attached for unique, on-site 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.
  • Fluke 075-CLKT Specifications: Optic data
    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)
    CLIRVU coating Yes
    Shortwave IR capable Yes
    Midwave IR capable Yes
    Longwave IR capable Yes
    Ultraviolet (UV) capable Yes
    Visual capable Yes
    Fusion capable Yes

    Fluke 075-CLKT Specifications: Safety Ratings
    Underwriters Laboratories (UL) recognized
    UL50 environmental Type 3/12
    UL746C N/A (Polymer Free)
    UL94 N/A (Polymer Free)
    Canadian Standards Association (CSA) approval
    Environmental Type 3/12
    KEMA (Arc-Testing)
    ANSI C37.20.7 50 kA for 30 cycles @60 Hz
    EEMACS 14-1 Type-B 40 kA for 30 cycles @60 Hz
    ASTA (Arc-Testing)
    IEC 62271 20 kA for 5 cycles @50 Hz
    TUV
    Cyclic humidity withstand
    Vibration withstand
    NEMKO
    Resistance of insulating materials to 100°
    Resistance of insulating material to ball pressure (Brinell)
    Glow-wire test 650 °C
    Lloyds Register
    Up to 11 kV marine switchgear, indoor or outdoor
    Fluke 075-CLKT Specifications: General
    Crystal insert size  50 mm (2 in) 
    Maximum temperature Gaskets: 250 °C (482 °F)
    Body: 659 °C (1219 °F)
    Optic: 1400 °C (2552 °F)
    Gaskets Low smoke and fume (LSF) compliant silicone
    IP rating IP65
    NEMA rating Type 3/12 (UL and CSA Third Party Certified)
    Vibration rating IEC60068-2-6
    Humidity rating IEC60068-2-3
    Pull-out strength Up to 630 kg (1388 lb)
    Warranty Lifetime replacement against manufacturing defects

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