Product selection guide: IR windows

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

	Remove	Remove

	Fluke CV201 ClirVu® 50 mm (2 in) Infrared Window	Fluke CV300 ClirVu® 75 mm (3 in) Infrared Window

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General

Size	51 mm (2 in)	75 mm (3 in)
Voltage range	Any	Any
NEMA environment type	Type 4/12 (indoor/outdoor)	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)	68 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 4/17	NEMA type 4/14
UL 1558
CSA C22.2 No.
CSA type rating	Type 9	Type 6
IP rating	IP 67 at TUV	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

Install

Actual mounting hole diameter required	61.37 mm (2.416 in)	89.89 mm (3.539 in)
Greenlee punch kit - punch/die	76BB = 441AV / 442AV	739BB = 1431AV / 1432AV
Door latch	Security key	Hand turn
Install time	10 minutes or less	7 minutes or less

Optics

Optic insert diameter	51 mm (1.97 in)	75 mm (2.96 in)
Warranty	Lifetime replacement against manufacturing defects	Lifetime replacement against manufacturing defects

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