Be the first to review this product

CV401 ClirVu 4 inch Infrared Window (Secure Key)

FLUKE CV401 ClirVu 95 mm (4 inch) Infrared (IR) Window with security key door latch. FLUKE IR Windows are complete, assembled & ready for installation (5 minute install).

Part Number:

read more


List Price

453.60 incl. VAT)
Add To Cart



FLUKE Spring Promotions - FREE FLUKE Products!

If you spend more than £200 on FLUKE, you'll receive a handy FLUKE tool absolutely FREE!

Order your FLUKE Instrument today and receive a FREE FLUKE tool based on the purchase value (there's plenty of choice).

For full details CLICK HERE.



FLUKE CV401 ClirVu 95 mm 4 inch Infrared (IR) Window with Secure Key

The FLUKE CV401 ClirVu IR Window is the same as the CV400 but with security key door latch.  Read more here.

Compliance without compromise, safety without sacrifice - Get a clearer view with FLUKE IR Windows!

Once a ClirVu IR Window is installed, there’s no more need to power down or remove panels you may never have to open the panel door again.


FLUKE CV401 ClirVu Key Features:

  • Size: 4 in (95 mm)
  • This part number comes with a secure key door latch (see comparison chart)
  • Increase the safety and speed of your electrical infrared inspections
  • Under 5 minute installation with 1 person; no need to remove panel door
  • Clearly view equipment both visually and thermally with ClirVu coating that protects the optic from the elements
  • Corrosion and UV resistant for challenging outdoor environments - IP67 rugged
  • Built to the highest arc blast protection (63kA arc tested):
    • High temperature silicon gaskets
    • Mounting and door latches provide high pressure gasket compression
    • Die cast components are manufactured with the highest strength alloys Jam nut screws are made from 4037 steel, heat treated to 160,000 psi tensile
  • Torture Tested to the highest 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
    • Corrosion and UV resistance for challenging outdoor environments



What comes with the FLUKE CV401 ClirVu?

  • 4 in (95 mm) IR Window
  • Security key door latch
  • Warranty statement

If you do not require security key door latch click here.


Comparison Chart for: Fluke CV401 ClirVu 4 inch Infrared Window (Secure Key)

4 in (95 mm)4 in (95 mm)3 in (75 mm) 3 in (75 mm) 2 in (50 mm)4 in (100 mm)3 in (75 mm)2 in (50 mm)
Hand turn door latch
Security key door latch
Kwik Twist