Round Infrared Window, 75mm dia, Type 3/12, FLUKE, Mfr# Fluke-075-CLKT

3 In. Round Infrared Window, Crystal Insert Size 75mm dia, Viewing Aperture Size 68mm dia, Viewing Aperture Area 3632 sq mm, Window Thickness 2 mm, NEMA Rating 12, 3, IP Rating 65, Gasket Maximum Temperature 250 Degrees C (482 Degrees F), Body Maximum Temperature 659 Degrees C (1219 Degrees F), Optic Maximum Temperature 1400 Degrees C (2552 Degrees F), Voltage Range Any, Components Grounder Metal, Body Material Aluminum, Includes Access Key and Installation Instructions on a CD