Product selection guide: IR windows

Use our product selection guide to find the IR window that fits your needs best.
Fluke CV400 1A KO
Fluke CV300 1a KO
Fluke CV400 ClirVu® 95 mm (4 in) Infrared WindowFluke CV300 ClirVu® 75 mm (3 in) Infrared Window
Size95 mm (4 in)75 mm (3 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)63 kA for 30 cycles @ 60 Hz at KEMA65 kA for 30 cycles @ 60 Hz at KEMA 
UL 50 V component recognition  
UL 50/NEMA environmental ratingNEMA type 4/12NEMA type 4/14 
UL 1558   
CSA C22.2 No.   
CSA type ratingType 4Type 6 
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 
Actual mounting hole diameter required115.42 mm (4.544 in)89.89 mm (3.539 in) 
Greenlee punch kit - punch/die742BB = 2984AV / 2983AV739BB = 1431AV / 1432AV 
Door latchHand turnHand turn 
Install time5 minutes or less7 minutes or less 
Optic insert diameter95 mm (3.74 in)75 mm (2.96 in) 
WarrantyLifetime replacement against manufacturing defectsLifetime replacement against manufacturing defects 
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