Product selection guide: IR windows

Use our product selection guide to find the IR window that fits your needs best.
 
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Fluke 050 CLKT IR Window for Outdoor and Indoor Applications
Fluke 075 CLKT IR Window for Outdoor and Indoor Applications
 
Fluke 050 CLKT IR Window for Outdoor and Indoor ApplicationsFluke 075 CLKT IR Window for Outdoor and Indoor Applications
 
Size50 mm (2 in)75 mm (3 in) 
Voltage rangeAnyAny 
NEMA environment typeType 3/12Type 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)60 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 3/12NEMA type 3/12 
CSA C22.2 No.   
CSA type ratingType 3/12Type 3/12 
IP ratingIP 55IP 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 required43.2 mm (1.7 in)69.9 mm (2.75 in) 
Greenlee punch kit - punch/die06974/0401304247/04246 
Door latchHand turnHand turn 
Install time10 minutes10 minutes 
Optic insert diameter50 mm (2 in)75 mm (3 in) 
WarrantyLifetime replacement against manufacturing defectsLifetime replacement against manufacturing defects