CLKT C-Range IR Window for Outdoor and Indoor Applications With a Kwik Twist cover that magnetically sticks to the panel when removed, Fluke IR Windows are easy to use and deliver unmatched image clarity through a CLIRVU® crystal. Exclusive to Fluke IR Windows, CLIRVU crystal technology is impervious to both moisture and vibration. CLIRVU crystals are designed to withstand the extreme pressures and temperatures of an arc-fault event, and offer protection from molten projectiles associated with arc-flashes. Engineered and tested to withstand electric-arcs up to 50 kA for30 cycles. Certified by UL & CSA for Type 3/12 (Outdoor) environments in North America, these 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 Fluke 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. CLKTO C-Range IR Window for Indoor Applications 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.