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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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Fluke 075 clkt 1b
F CV201 02A KO
Fluke 075 CLKT IR Window for Outdoor and Indoor ApplicationsFluke CV201 ClirVu® 50 mm (2 in) Infrared Window

General

Size75 mm (3 in)51 mm (2 in) 
Voltage rangeAnyAny 
NEMA environment typeType 3/12Type 4/12 (indoor/outdoor) 
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) 

Ratings and testing

Arc-tested (IEEE C27.20.7)60 kA for 30 cycles @ 60 Hz at KEMA68 kA for 30 cycles @ 60 Hz at KEMA 
UL 50 V component recognition   
UL 50/NEMA environmental ratingNEMA type 3/12NEMA type 4/17 
CSA C22.2 No.   
CSA type ratingType 3/12Type 9 
IP ratingIP 55IP 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 ratingIEC60068-2-6IEC60068-2-6 
Humidity rateIEC60068-2-3IEC60068-2-3 
UL 1558  

Install

Actual mounting hole diameter required69.9 mm (2.75 in)61.37 mm (2.416 in) 
Greenlee punch kit - punch/die04247/0424676BB = 441AV / 442AV 
Door latchHand turnSecurity key 
Install time10 minutes10 minutes or less 

Optics

Optic insert diameter75 mm (3 in)51 mm (1.97 in) 
WarrantyLifetime replacement against manufacturing defectsLifetime replacement against manufacturing defects 
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