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Ultra-cool dry-block calibrator with best-in-class stability
The Fluke 9190A Ultra-Cool Field Metrology Well is the most accurate and stable, cold temperature dry-block on the market. It’s ideal for applications that demand strict quality control and regulatory process compliance. These applications include on-location validation and calibration of RTDs, thermocouples, thermometers, and sensors used with process control equipment such as medical freezers, laboratory refrigerators, cold rooms, blood banks, sterilizers (autoclaves), and freeze dryers.


  • MATLAB® and LabVIEW® software compatibility allows users to integrate infrared data, images and videos to support R&D analysis
  • 640 x 480 resolution
  • See the details you need with optional smart lenses: 2x and 4x telephoto, wide angle and macro lenses
  • Optimize images, generate customizable reports and export images to the format of your choice with SmartView® desktop software
  • Wirelessly connect your camera to the Fluke Connect® system to easily share and edit images


  • Voltage detection from 90 to 1000 V AC, suitable for a wide range of residential, commercial and industrial needs
  • Always on, using special low power circuitry to sustain battery life and ensure your 2AC is always ready
  • Innovative 'Battery Check' button function ensures battery is in good condition*
  • CAT IV 1000 V overvoltage rated product for best in class user protection
  • Expanded range: 90 V AC to 1000 V AC
  • Integrated clip design, optimized for pocket storage
  • Powered by 2x AAA batteries (included)
  • Fluke ruggedness and reliability
  • Two-year warranty
* Use of Battery Check function is optional and for convenience only, it is not intended as a substitute for checking the unit on a known live source before and after use.


  • 320 x 240 resolution
  • 2 meter drop test
  • IR Fusion™ technology for context
  • Fixed focus
  • Measure up to 400 °C


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® CV401 95 mm (4 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
  • CV401 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