VPFC Series

From: $160.00 From: $160.00

    • Laboratory grade IR window for light duty applications
    • Crystal optic coated to reduce transmission drift
    • Larger usable optic size than competitor’s crystal windows
    • Upgradeable in field to polymer optic
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VPFC Series (Viewing Pane Fixed Crystal) IR windows are specially coated to reduce the transmission drift due to moisture/humidity. However, industrial users are strongly encouraged to investigate the VPT Series of industrial-grade IR windows which are specifically designed for stability in harsh industrial environments and have an unconditional lifetime warranty. The transmission rate characteristics of CaF2 are suitable for higher temperature applications, shortwave and midwave thermography and for the visual spectrum. Medium to longwave transmission rates (7-14 micron) are typically between 40-50% based on the infrared (IR) camera detector sensitivities at different wavelengths.

Materials
Window Housing and Cover UL 94 5VA Nylon (switchgear-grade plastic); -40°C (-40°F) to 273°C (523°F); Easy-GripTM stainless steel cover
Optic Calcium Fluoride Crystal (other crystal options available); -100°C (-148°F) to 1400°C (2555°F)
Gaskets UL 94 5VA TPE; -40°C (-40°F) to 273°C (523°F)
Hardware 316 stainless steel
Other
Useful Temperature Rating -40°C (-40°F) to 200°C (392°F)
Water and Dust Ingress IP65 / NEMA 4: closed and when in use
Model Body Diameter Window Diameter Assembly Thickness
VPFC-50 9.1 cm (3.6 in) 5.1 cm (2.0 in) 2.6 cm (1.0 in)
VPFC-75 12.1 cm (4.8 in) 7.6 cm (3.0 in) 2.6 cm (1.0 in)
VPFC-100 15.1 cm (5.95 in) 10.2 cm (4.0 in) 2.6 cm (1.0 in)
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