Fluke CV401 ClirVu® 95 mm (4 in) Infrared Window

The Fluke CV401 ClirVu® 95 mm (4 in) Infrared Window is engineered to enable safer and more efficient thermal inspections in both indoor and outdoor settings. This IR window can be installed and grounded in less than five minutes by a single technician without the need to remove the panel door, thanks to the patent-pending AutoGround™ process. This simplifies installation and significantly enhances safety protocols.

The CV401 model is specifically designed to maintain panel arc test ratings up to 63kA when properly installed, and its ClirVu® coating—a Fluke exclusive—ensures the optic is sealed before assembly to protect against moisture degradation. This feature makes it particularly suitable for extreme temperature environments.

Fluke CV401 Key Features

One technician
One hole with standard Greenlee® punch
Panel door does not need to be removed
Grounds instantly to metal enclosure with patent-pending AutoGround™ process
Maintains panel arc test ratings up to 63kA when properly installed

Fluke CV 401 Specifications

General Specifications
Size	95 mm (4 in)
Voltage range	Any
NEMA environment type	Type 4/12 (indoor/outdoor)
AutoGround™	Yes
ClirVu® optic	Yes
Operating temperature	-40°C to +232°C (-40° F to +450°F) and +260°C (500°F) intermittent
Compatible with all Fluke cameras	Yes
Jam nut locking system	Yes
Cover and fastener permanently attached	Yes
Single-hole install	Yes
Hand turn and security key door latch options	Yes
Visual inspection and fusion capable	Yes
Short/Mid/Long-wave IR and UV capable	Yes
Ratings and Testing
Arc-tested (IEEE C37.20.7)	63 kA for 30 cycles @ 60 Hz at KEMA
CSA C22.2 No.	Yes
CSA type rating	Type 4
IP rating	IP67 at TUV
Lloyds register	Up to 11 kV marine switchgear, indoor or outdoor (offshore only)
Vibration rating	IEC60068-2-6 at TUV
Humidity rating	IEC60068-2-3 at TUV
Install
Actual mounting hole diameter required	115.42 mm (4.544 in)
Greenlee® punch kit = punch/die	742BB = 2984AV/2983AV
Recommended max panel thickness	10 gage
Overall window height	189.3 mm (7.45 in)
Overall window width	147.1 mm (5.79 in)
Overall window thickness	23.0 mm (0.90 in)
Door latch	Security Key
Optics
Optic insert diameter	95 mm (3.74 in)
Viewing aperture diameter	87.63 mm (3.450 in)
Viewing aperture area	6032 mm² (9.35 in²)
Thickness	4 mm (0.16 in)

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Brand

Fluke

Fluke Corporation

Name: Fluke CV401 ClirVu® 95 mm (4 in) Infrared Window - mme-ae
Brand: Fluke
SKU: 78537

Since its founding in 1948, Fluke has helped define and grow a unique technology market, providing testing and troubleshooting capabilities that have grown to mission critical status in manufacturing and service industries. Every new manufacturing plant, office, hospital, or facility built today represents another potential customer for Fluke products. From industrial electronic installation, maintenance and service, to precision measurement and quality control, Fluke tools help keep business and industry around the globe up and running. Typical customers and users include technicians, engineers, metrologists, medical-device manufacturers, and computer network professionals — people who stake their reputations on their tools, and use tools to help extend their personal power and abilities.