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IRISS has launched the VP12 ultrasound port, which enables technicians to identify potentially hazardous and costly faults, such as arcing, tracking and corona, in electrical distribution systems and switchgear.

According to the company, the system — which can be used for either ultrasound or infrared inspection tasks — provides access to consistent-quality data regardless of the technician’s experience or the enclosure rating. 

In ventilated switchgear, the port provides a standardised measurement point, but in NEMA-rated enclosures its effect is said to be even more valuable.

Technicians wearing the appropriate personal protective equipment can collect data on critical, energised equipment in accordance with the safety mandates listed within NFPA70E.

Key specifications

  • Body measures 6.5cm in diameter and features a 1.2cm port
  • Port is manufactured using non-conductive, UL94 switchgear-grade plastics and insulated to 30kV/mm
  • Standard kit includes an infrared transmissive lens for optional and permanent use as an infrared window for small targets or small infrared camera lens apertures
  • Alternative grill opening complies with the IP2X standard for maximum hole size in switchgear to prevent the accidental insertion of tools and fingers
  • Lockable cover maintains IP65/NEMA 4 seal when closed and the overall unit is impact and flame resistant in line with IEEE standards


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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