ISO-14001 white   ISO-14064-1 white-312    Carbon Neutral-white 58x60px
phn0800 442 182

VPFC Series Infrared Windows

VPFC Series Infrared Windows
larger imageMove mouse over the image to magnify
Crystal Infrared Windows
Calcium Fluoride (CaF2) has long been used in research applications. It performs best in controlled environments where humidity, chemical exposure, vibration and high frequency noise are minimized or eliminated.

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.

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.

When purchasing crystal windows, ask for the Material Safety Data Sheet (MSDS) to ensure that the crystal does not contain hazardous substances. Some window manufacturers use crystals made of Barium Flouride (BaF2), a toxic substance, especially hazardous to the food and beverage industry. 

Note: No crystal window meets impact and load requirements for switchgear above 1kV (IEEE C37 20.2.a.3.6).

Window Housing and Cover UL 94 5VA Nylon (switchgear-grade plastic); -40°C (-40°F) to 273°C (523°F); Easy-Grip™ stainless steel cover
Optic Calcium Flouride 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
Useful Temperature Rating -40°C (-40°F) to 200°C (392°F)
Water and Dust Ingress IP65 / NEMA 4: closed and when in use

  • Transparent crystal allows for visual inspection
  • Compatible with all IR cameras
  • UV transmission compatible with all corona cameras
  • Manufactured from non-conductive UL 94 plastics insulated to 30kV/mm
  • Easy-Grip stainless steel cover
  • Available in 2”, 3” and 4” sizes (actual crystal viewing area)
  • Fitting instructions and templates included
  • Certified by UL (USA) & cUL (Canada) to the following standards:
    • 50V
    • 50E
    • 508A; ANSI 508A
  • IP65 / NEMA 4
  • Lloyds of London Type Approval
  • American Bureau of Shipping (ABS)
  • BSI Quality ISO 9001 Certified System
  • CSA C22.2 No. 14-13
  • DNV (Det Norske Veritas) P261.1E Maritime, Vessel and Offshore Applications
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)

NOTE: The dimensions listed above are not installation dimensions. Do NOT cut prior to receiving your IRISS window and installation template.

VPFC Datasheet

You might also be interested in ...

Signup for Juice & Email Specials

TransNet Juice is a regular industry publication that delivers our latest news, products and special offers to industry members.  Our email specials are available for purchase through all good electrical wholesalers.

btn signup

Contact us

phn1+64 9 274 3340 (NZ)
     +61 417 387 489 (AUS)
building+64 9 274 5490
mail   sales@transnet.co.nz

mail   78 Cryers Road, East Tamaki
         Auckland, New Zealand
         PO Box 8117, Summerland Point
         NSW 2259, Australia
Follow us on Facebook