Product selection guide: IR windows

Use our product selection guide to find the IR window that fits your needs best.

	Remove	Remove

	Fluke 050 CLKT IR Window for Outdoor and Indoor Applications	Fluke CV300 ClirVu® 75 mm (3 in) Infrared Window

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General

Size	50 mm (2 in)	75 mm (3 in)
Voltage range	Any	Any
NEMA environment type	Type 3/12	Type 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) and +260 °C (+500 °F) intermittent

Ratings and testing

Arc-tested (IEEE C27.20.7)	60 kA for 30 cycles @ 60 Hz at KEMA	65 kA for 30 cycles @ 60 Hz at KEMA
UL 50 V component recognition
UL 50/NEMA environmental rating	NEMA type 3/12	NEMA type 4/14
CSA C22.2 No.
CSA type rating	Type 3/12	Type 6
IP rating	IP 55	IP 67 at TUV
Lloyd's Register	Up to 11 kV marine switchgear, indoor or outdoor (offshore only)	Up to 11 kV marine switchgear, indoor or outdoor (offshore only)
Vibration rating	IEC60068-2-6	IEC60068-2-6 at TUV
Humidity rate	IEC60068-2-3	IEC60068-2-3 at TUV
UL 1558

Install

Actual mounting hole diameter required	43.2 mm (1.7 in)	89.89 mm (3.539 in)
Greenlee punch kit - punch/die	06974/04013	739BB = 1431AV / 1432AV
Door latch	Hand turn	Hand turn
Install time	10 minutes	7 minutes or less

Optics

Optic insert diameter	50 mm (2 in)	75 mm (2.96 in)
Warranty	Lifetime replacement against manufacturing defects	Lifetime replacement against manufacturing defects

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