Product selection guide: IR windows

Use our product selection guide to find the IR window that fits your needs best.
F CV200 01A KO
Fluke CV401 2A Ko
Fluke CV200 ClirVu® 50 mm (2 in) Infrared WindowFluke CV401 ClirVu® 95 mm (4 in) Infrared Window
Size50 mm (2 in)96 mm (4 in) 
Voltage rangeAnyAny 
NEMA environment typeType 4/12 (indoor/outdoor)Type 4/12 (indoor/outdoor) 
ClirVu® Optic   
Operating temperature-40 °C to +232 °C (-40 °F to +450 °F) and +260 °C (+500 °F) intermittent-40 °C to +232 °C (-40 °F to +450 °F) and +260 °C (+500 °F) intermittent 
Arc-tested (IEEE C27.20.7)67 kA for 30 cycles @ 60 Hz at KEMA64 kA for 30 cycles @ 60 Hz at KEMA 
UL 50/NEMA environmental ratingNEMA type 4/16NEMA type 4/13 
UL 1558   
CSA C22.2 No.   
CSA type ratingType 8Type 5 
IP ratingIP 67 at TUVIP 67 at TUV 
Lloyd's RegisterUp to 11 kV marine switchgear, indoor or outdoor (offshore only)Up to 11 kV marine switchgear, indoor or outdoor (offshore only) 
Vibration ratingIEC60068-2-6 at TUVIEC60068-2-6 at TUV 
Humidity rateIEC60068-2-3 at TUVIEC60068-2-3 at TUV 
UL 50 V component recognition  
Actual mounting hole diameter required61.37 mm (2.416 in)115.42 mm (4.544 in) 
Greenlee punch kit - punch/die76BB = 441AV / 442AV742BB = 2984AV / 2983AV 
Door latchHand turnSecurity key 
Install time9 minutes or less6 minutes or less 
Optic insert diameter50 mm (1.97 in)96 mm (3.74 in) 
WarrantyLifetime replacement against manufacturing defectsLifetime replacement against manufacturing defects