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Fluke CLKT Infrared Windows are Available in Three Sizes 50 mm (2 in), 75 mm (3 in) and 100 mm (4 in)

Each CLKT infrared window is engineered and tested to withstand electric-arcs up to 50 kA for 30 cycles.

The ClirVu® coating - exclusive to Fluke infrared windows - seals the optic prior to assembly to protect against moisture degradation making it perfect for very hot and very cold outdoor environments.

Each Fluke infrared window is delivered with an identification plate attached for unique, on-site numbering for rapid location confirmation and faster repairs.

CLKT infrared windows come complete with a security access key, installation instructions and self-adhesive drilling template.

For 5 minute or less installation and Autoground consider the CV300.


The 438-II Power Quality Analyzer & Motor Analyzer helps you effectively evaluate electrical and mechanical performance just by hooking up voltage and measuring current, providing you with an unprecedented level of data.
  • Brings key motor analysis parameters like speed, torque and mechanical power and calculates motor efficiency without mechanical sensors
  • Includes full power quality and electrical energy analyzer functionality
  • Highest safety rating in industry; 1000 V CAT III / 600 V CAT IV


  • Dual-input digital oscilloscope and multimeter in a ScopeMeter® test tool
  • Available with a 40 MHz or 20 MHz oscilloscope bandwidth
  • Features Connect-and-View™ trigger simplicity for hands-off operation
  • Includes IntellaSet™ technology to automatically and intelligently adjust numerical readout based on measured signal
  • Provides a dual-input waveform and meter reading recorder for trending data over extended periods


Installs and grounds in less than 5 minutes
Save time with quick and easy installation with the CV Series – 5 minutes or less.
  • One technician
  • One hole with standard Greenlee® punch
  • Panel door does not need to be removed
  • Grounds instantly to metal enclosure with patent-pending AutoGround™ process
  • Maintains panel arc test ratings up to 63kA when properly installed
Work more efficiently with Fluke ClirVu® CV201 50 mm (2 in) Infrared Windows
  • NFPA 70E processes significantly reduced due to less work permit requirements
  • Faster and more comfortable inspections because full PPE is often not required
  • Reduce the risk of arc-flash and electrocution, increase the safety of your personnel and reduce the time and cost of preventive maintenance
  • CV201 is Torture Tested™ to the highest arc blast test ratings IEEE C37.20.7: 63 kA Arc tested at KEMA, UL 50/50E/50V, UL1558, IEC60529-1: IP67, IEC 60068, NEMA 4/12, CSA C22.2 NO. 14-13:2012, and CE
  • Convenience of both quick turn or security keyed access


  • High temperature infrared thermometer that measures from -30°C to 900°C (-22°F to 1652°F)
  • Offers an ultra-high 60:1 distance-to-spot ratio with dual laser sighting for fast, accurate targeting
  • Features a user-selectable multi-language interface
  • Displays the temperature plus MAX, MIN, DIF, AVG temperature
  • Provides adjustable emissivity and a predefined emissivity table