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 CV301 ClirVu® 75 mm (3 in) Infrared Window	Fluke CV201 ClirVu® 50 mm (2 in) Infrared Window

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General

Size	76 mm (3 in)	51 mm (2 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) and +260 °C (+500 °F) intermittent	-40 °C to +232 °C (-40 °F to +450 °F)

Ratings and testing

Arc-tested (IEEE C27.20.7)	66 kA for 30 cycles @ 60 Hz at KEMA	68 kA for 30 cycles @ 60 Hz at KEMA
UL 50/NEMA environmental rating	NEMA type 4/15	NEMA type 4/17
UL 1558
CSA C22.2 No.
CSA type rating	Type 7	Type 9
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 at TUV	IEC60068-2-6
Humidity rate	IEC60068-2-3 at TUV	IEC60068-2-3
UL 50 V component recognition

Install

Actual mounting hole diameter required	89.89 mm (3.539 in)	61.37 mm (2.416 in)
Greenlee punch kit - punch/die	739BB = 1431AV / 1432AV	76BB = 441AV / 442AV
Door latch	Security key	Security key
Install time	8 minutes or less	10 minutes or less

Optics

Optic insert diameter	76 mm (2.96 in)	51 mm (1.97 in)
Warranty	Lifetime replacement against manufacturing defects	Lifetime replacement against manufacturing defects

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