Product selection guide: IR windows | Fluke
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Product selection guide: IR windows

Use our product selection guide to find the IR window that fits your needs best.
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F CV201 02A KO
Fluke 050 clkt 1b
Fluke CV201 ClirVu® 50 mm (2 in) Infrared WindowFluke 050 CLKT IR Window for Outdoor and Indoor Applications
Size51 mm (2 in)50 mm (2 in) 
Voltage rangeAnyAny 
NEMA environment typeType 4/12 (indoor/outdoor)Type 3/12 
AutoGround™   
ClirVu® Optic   
Operating temperature-40 °C to +232 °C (-40 °F to +450 °F)-40 °C to +232 °C (-40 °F to +450 °F) 
Arc-tested (IEEE C27.20.7)68 kA for 30 cycles @ 60 Hz at KEMA60 kA for 30 cycles @ 60 Hz at KEMA 
UL 50 V component recognition   
UL 50/NEMA environmental ratingNEMA type 4/17NEMA type 3/12 
UL 1558  
CSA C22.2 No.   
CSA type ratingType 9Type 3/12 
IP ratingIP 67 at TUVIP 55 
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 ratingIEC60068-2-6IEC60068-2-6 
Humidity rateIEC60068-2-3IEC60068-2-3 
Actual mounting hole diameter required61.37 mm (2.416 in)43.2 mm (1.7 in) 
Greenlee punch kit - punch/die76BB = 441AV / 442AV06974/04013 
Door latchSecurity keyHand turn 
Install time10 minutes or less10 minutes 
Optic insert diameter51 mm (1.97 in)50 mm (2 in) 
WarrantyLifetime replacement against manufacturing defectsLifetime replacement against manufacturing defects