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According to IRISS, the CAP-ENV is one of the toughest and most reliable infrared window available and suitable for thermal inspection of energised equipment in the visual, UV and all three infrared wavelengths.

Infrared window

What sets this product apart from others in the IRISS range is a stainless steel housing complete with a reinforced, lockable door that is environmentally sealed to IP67/NEMA 6. This means that accurate quantitative and qualitative measurements can now be taken from live electrical systems in the most hostile of conditions. IRISS CAP-ENV is therefore suitable for use in offshore, onshore or marine applications, exposed industrial environments and in climates characterised by temperature extremes.

An exclusive pharmaceutical grade reinforced Poly-View System polymeric material creates the large and clear, rectangular IR window of the CAP-ENV. It provides an unparalleled field of view when compared to traditional round windows and a choice of standard sizes is available to suit the application. These range up to the CAP-ENV 24 that measures 61 x 21.8cm; custom sizes, materials, locking devices, labelling and colour are also available.

The benefits of the IRISS IR transmissive polymers for industrial applications are clear. The materials are unaffected by mechanical stress and are shatterproof. They maintain a fixed and stable transmission rate even when exposed to humidity, moisture, seawater and a broad spectrum of acids and alkalis. The addition of an environmentally sealed door on the CAP-ENV system, allows IRISS to complement these qualities with another layer of application security, creating a supremely reliable data collection port for tough applications.

These credentials are assured by a series of certifications. Indeed, IRISS windows comply with more standards, by far, than any other IR window. These include UL, cUL, CSA, IEEE, Lloyds of London and most recently, DNV accreditation. The IRISS CAP-ENV is no exception to the rule but it also carries the higher IP rating confirming its suitability for harsh environments.  And, in common with all IRISS products, the CAP-ENV is also protected by the IRISS unconditional lifetime warranty.


IRISS is the manufacturer of the world’s first and only industrial-grade infrared windows. Their design is based on the 17 years of field experience that the company’s founder, Martin Robinson, gained as a Level III thermographer. And it is this end-user perspective that makes IRISS unique in the industry.

IRISS designs and manufacturers IR (Infrared) windows and safety solutions for electrical assets and provides training for electrical engineers.

IRISS provides its customers with unsurpassed quality at every touch point and focusses on continuously improving infrared (IR) window technology, building reliable products, exceeding customer expectations, whilst remaining a science-based R&D company and protecting their polymer IR windows through the IRISS Unconditional Lifetime Warranty.

IRISS industrial-grade IR windows facilitate safer, more efficient inspections of energized electrical equipment when compared to traditional crystal windows. IRISS award-winning, IR window designs feature a durable transparent polymer lens that allows visual, UV, and short/mid/longwave IR spectrum inspections. And…is available in custom shapes, sizes, and colours to fit the needs of any application.

As solution providers, the team at IRISS brings a multitude of experience from world-class maintenance programs together to meet the individual needs of commercial, industrial, marine, power generation and government maintenance programs.

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