The Toughest and Most Reliable IR, Ultrasound & Partial Discharge Inspection Window

The environmentally reinforced CAP-ENV-PDS is a revolutionary inspection window. It combines the power of Thermal imaging, Visual, UV, Ultrasound and Partial Discharge inspections. Industrial applications require solutions that meet numerous criteria where safety and performance are of the upmost importance. The exclusive pharmaceutical-grade reinforced polymer system allows any thermography camera to monitor completely undisturbed assets inside energized electrical equipment in the visual, UV and shortwave, midwave and longwave IR spectrums.


Look & Listen Simultaneously

Quickly and Safely perform closed panel inspections of electrical equipment with Infrared and Ultrasound

Arc Containment Tested

The CAP-ENV PDS Series was successfully tested to the IEC 62271-200 standard for arc containment on metal enclosed switchgear assemblies.

Improve Your Vision

Quickly and Safely perform closed panel inspections of electrical equipment with Infrared and Ultrasound


Durable and Rugged

Polymer based IR windows are far more able to resist the mechanical stresses applied to IR window that are fitted to electrical distribution equipment. IRISS industrial grade IR windows that meet the mandatory impact and load testing requirements of UL, CSA, IEEE, IEC, CE testing that could never be passed by any crystal based IR window.

Reinforced Environmentally Sealed Design

The CAP-ENV PDS Series of products are constructed from stainless steel with a double thickness welded enclosure door and all stainless steel mounting hardware. Machine formed corners and heavy duty seamless gaskets ensure the highest possible NEMA6 / IP67 ingress protection rating is maintained.

Fixed and Stable Transmission

Polymer based IR windows will maintain a fixed and stable transmission (FAST) for the life of the installation ensuring that the temperature data collected through the IR window is accurate and reliable.

Protected by our Unconditional Lifetime Warranty

The IRISS Unconditional lifetime warranty is unique in the IR industry as it not only applies not only to the workmanship of the window housing but also applies to the durability and stability of the optic in the proposed environment.


General Specifications
NEMA Environment Type
Voltage Range
Operating Temperature
Body and Cover Material
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