The IRISS VPT Series Infrared Inspection Windows are environmentally sealed inspection windows designed to provide convenient access for infrared, ultraviolet and visual inspection of electrical equipment. The series combines Poly-View™ polymer optic technology with a reinforced aluminium grill to support professional electrical inspection and condition monitoring applications.
The VPT Series is available in three models: VPT-50, VPT-75 and VPT-100. Each model provides a different viewing aperture, allowing users to select an inspection window according to their equipment configuration and inspection requirements.
Designed for industrial electrical inspection, the VPT Series provides a dedicated inspection point that can help maintenance teams perform routine equipment inspections without routinely opening electrical equipment enclosures.
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✔ Environmentally sealed infrared inspection window
✔ Poly-View™ polymer optic
✔ Visual, UV and IR transmissive optic
✔ Available in VPT-50, VPT-75 and VPT-100 models
✔ Viewing apertures from 2.0 to 4.0 inches
✔ IP67 / NEMA 6 environmental rating
✔ Operating temperature from -40°C to +110°C
✔ Aluminium reinforcing grill
✔ 316 stainless steel hardware
✔ Automatically grounded design
✔ Suitable for medium and high voltage applications
✔ Supports midwave IR and longwave IR inspection
✔ Supports ultraviolet (UV) inspection
✔ Supports ultrasound inspection
✔ Supports visual inspection
✔ UL 746 compliant optic
✔ Designed for professional electrical inspection applications
| Model | VPT-50 | VPT-75 | VPT-100 |
|---|---|---|---|
| General Specifications | |||
| Overall Dimensions | 9.1 cm (3.6 in) Ø | 12.1 cm (4.8 in) Ø | 15.1 cm (5.95 in) Ø |
| Overall Thickness | 2.6 cm (1.0 in) | ||
| IP / NEMA Rating | IP67 / NEMA 6 | ||
| Operating Temperature | -40°C (-40°F) to 110°C (230°F) | ||
| Body Material | UL 94 5VA Nylon (switchgear-grade plastic); -40°C to 273°C (523°F); aluminum cover | ||
| Gasket Material | UL 94 5VA TPE; -40°C to 273°C (523°F) | ||
| Hardware Material | 316 Stainless Steel | ||
| Voltage Range | Any | ||
| Automatically Grounded | Yes | ||
| Optic Specifications | |||
| Viewing Aperture Dimensions | 5.1 cm (2.0 in) Ø | 7.6 cm (3.0 in) Ø | 10.2 cm (4.0 in) Ø |
| Optic Material | Poly-View™ UL 746 compliant, visual, UV and IR transmissive polymer; -40°C to 110°C (230°F) | ||
| Optic Reinforcing Grill Material | Aluminum Reinforcing Grill (IP22/ IP2x Standard) | ||
| Inspection Capabilities and Applications | |||
| Midwave IR and Longwave IR; Ultraviolet (UV); Ultrasound; Visual Inspection; Medium/High Voltage Applications | |||
Discover the IRISS VPT Series Infrared Inspection Windows – Designed for Professional Electrical Inspection
Are you looking for a reliable infrared inspection window for electrical equipment that can support thermal, ultraviolet and visual inspection? The IRISS VPT Series Infrared Inspection Windows are designed to provide convenient inspection access for electrical and industrial equipment.
The VPT Series uses Poly-View™ polymer optic technology, designed to transmit visual, ultraviolet (UV) and infrared (IR) wavelengths. The series is available in three models—VPT-50, VPT-75 and VPT-100—with viewing apertures from 2 inches to 4 inches.
The VPT Series combines an environmentally protected design with an aluminium reinforcing grill, automatically grounded construction and IP67 / NEMA 6 protection, making it a flexible inspection solution for electrical equipment.
Key Features of the IRISS VPT Series Infrared Inspection Windows
The IRISS VPT Series combines Poly-View™ polymer optics, environmental protection and reinforced construction to support professional electrical inspection applications.
Poly-View™ Polymer Optic
The VPT Series uses a Poly-View™ UL 746 compliant polymer optic designed for visual, ultraviolet and infrared transmission.
This allows the inspection window to support multiple inspection technologies through the same optical access point.
The VPT optic is specified for an operating temperature range of -40°C to +110°C (230°F).
Multiple VPT Models and Viewing Apertures
The VPT Series is available in three models with different viewing apertures:
- VPT-50 – 2.0-inch viewing aperture
- VPT-75 – 3.0-inch viewing aperture
- VPT-100 – 4.0-inch viewing aperture
The different sizes provide flexibility when selecting an inspection window for electrical equipment.
Environmentally Sealed Construction
The VPT Series features an environmentally sealed design and an IP67 / NEMA 6 rating.
This construction provides additional environmental protection around the inspection point and supports use in demanding electrical and industrial environments.
Reinforced Aluminium Grill
The VPT Series incorporates an aluminium reinforcing grill designed to provide additional mechanical reinforcement.
The supplied specifications identify the reinforcing grill as IP22 / IP2x Standard.
The reinforced design combines mechanical support with the inspection capabilities of the Poly-View™ optic.
Multi-Technology Inspection Capability
The VPT Series supports more than infrared inspection.
The product specifications identify support for:
- Midwave infrared inspection
- Longwave infrared inspection
- Ultraviolet inspection
- Ultrasound inspection
- Visual inspection
This gives maintenance teams greater flexibility when using different inspection technologies for electrical equipment condition assessment.
Automatically Grounded Design
The VPT Series features an automatically grounded design.
The product specifications identify the voltage range as Any, together with automatic grounding.
Durable Industrial Construction
The VPT Series uses materials selected for industrial electrical applications.
Its construction includes:
- UL 94 5VA nylon switchgear-grade plastic body
- Aluminium cover
- UL 94 5VA TPE gasket
- 316 stainless steel hardware
- Aluminium reinforcing grill
- Poly-View™ polymer optic
- Automatically grounded construction
Improve Electrical Inspection Efficiency with the IRISS VPT Series
The IRISS VPT Series Infrared Inspection Windows provides a dedicated inspection point for electrical equipment.
Instead of routinely opening an equipment enclosure for inspection, an installed inspection window can provide access for compatible infrared, UV and visual inspection technologies while maintaining the equipment enclosure as the inspection access point.
This can make routine inspection more convenient and help maintenance teams incorporate regular inspection into their condition monitoring programs.
The VPT Series is also specified for medium and high voltage applications, supporting professional electrical inspection requirements.
Advanced Infrared Inspection with Poly-View™ Technology
Thermal inspection can provide useful information about temperature conditions within electrical equipment.
The VPT Series uses Poly-View™ polymer optic technology designed for infrared transmission.
The optic supports both midwave and longwave infrared inspection and is specified for an operating temperature range of -40°C to +110°C (230°F).
The polymer optic also supports visual and UV inspection, providing additional inspection flexibility.
Flexible Inspection with IR, UV, Ultrasound and Visual Technologies
One of the important features of the VPT Series is its multi-technology inspection capability.
Infrared Inspection
The VPT Series supports midwave and longwave infrared inspection using compatible infrared inspection cameras.
UV Inspection
The Poly-View™ optic supports ultraviolet inspection, providing another method for electrical equipment inspection.
Ultrasound Inspection
Ultrasound inspection is included among the inspection capabilities and applications specified for the VPT Series.
Visual Inspection
The Poly-View™ optic is designed to support visual inspection, allowing users to inspect equipment visually through the window.
This combination can help maintenance teams use different inspection technologies as part of a broader equipment condition monitoring program.
Designed for Medium and High Voltage Applications
The IRISS VPT Series is specified for medium and high voltage applications.
The product specifications identify the voltage range as Any and the window as automatically grounded.
This makes the VPT Series suitable for consideration in electrical inspection applications where dedicated inspection access is required.
The correct inspection procedure, installation method and electrical safety requirements should always be followed for the specific equipment and application.
Environmentally Sealed Infrared Inspection Window
The VPT Series is designed to provide environmental protection around the inspection point.
Its IP67 / NEMA 6 rating supports use in demanding electrical and industrial environments.
The combination of environmental sealing, polymer optics, reinforced aluminium construction and durable hardware provides a robust design for professional inspection applications.
VPT Series Models for Different Inspection Requirements
The VPT Series provides three viewing aperture options.
IRISS VPT-50
The VPT-50 features a 2.0-inch diameter viewing aperture and an overall diameter of 3.6 inches.
It is the smallest viewing-aperture option in the VPT Series.
IRISS VPT-75
The VPT-75 features a 3.0-inch diameter viewing aperture and an overall diameter of 4.8 inches.
It provides a larger inspection aperture than the VPT-50.
IRISS VPT-100
The VPT-100 features a 4.0-inch diameter viewing aperture and an overall diameter of 5.95 inches.
It provides the largest viewing aperture within the VPT Series.
VPT Series Technical Specifications
General Specifications
| Specification | VPT-50 | VPT-75 | VPT-100 |
|---|---|---|---|
| Overall Diameter | 3.6 in (9.1 cm) | 4.8 in (12.1 cm) | 5.95 in (15.1 cm) |
| Overall Thickness | 1.0 in (2.6 cm) | 1.0 in (2.6 cm) | 1.0 in (2.6 cm) |
| IP / NEMA Rating | IP67 / NEMA 6 | IP67 / NEMA 6 | IP67 / NEMA 6 |
| Operating Temperature | -40°C to +110°C | -40°C to +110°C | -40°C to +110°C |
| Body Material | UL 94 5VA Nylon + Aluminium Cover | UL 94 5VA Nylon + Aluminium Cover | UL 94 5VA Nylon + Aluminium Cover |
| Gasket Material | UL 94 5VA TPE | UL 94 5VA TPE | UL 94 5VA TPE |
| Hardware Material | 316 Stainless Steel | 316 Stainless Steel | 316 Stainless Steel |
| Voltage Range | Any | Any | Any |
| Automatically Grounded | Yes | Yes | Yes |
Optic Specifications
| Specification | VPT-50 | VPT-75 | VPT-100 |
|---|---|---|---|
| Viewing Aperture | 2.0 in (5.1 cm) Ø | 3.0 in (7.6 cm) Ø | 4.0 in (10.2 cm) Ø |
| Optic Material | Poly-View™ Polymer | Poly-View™ Polymer | Poly-View™ Polymer |
| Optical Transmission | Visual + UV + IR | Visual + UV + IR | Visual + UV + IR |
| Optic Temperature Range | -40°C to +110°C | -40°C to +110°C | -40°C to +110°C |
| Reinforcing Grill | Aluminium | Aluminium | Aluminium |
Inspection Capabilities of VPT Series
The VPT Series supports several inspection methods through its Poly-View™ polymer optic.
Infrared Thermography
Use the inspection window with compatible infrared cameras for thermal inspection of electrical equipment.
The VPT Series supports both midwave IR and longwave IR inspection.
Ultraviolet Inspection
The Poly-View™ optic supports UV inspection, providing an additional inspection method for electrical equipment.
Ultrasound Inspection
Ultrasound is included among the listed inspection capabilities and applications of the VPT Series.
Visual Inspection
The polymer optic is designed to support visual inspection, allowing users to observe equipment conditions through the inspection window.
VPT Series Applications
The IRISS VPT Series Infrared Inspection Windows can support inspection and condition monitoring programs across electrical and industrial environments.
Typical applications include:
- Electrical equipment inspection
- Electrical panel inspection
- Switchgear inspection
- Medium voltage equipment inspection
- High voltage equipment inspection
- Infrared thermography
- Thermal condition monitoring
- Predictive maintenance
- Electrical maintenance
- UV inspection
- Visual inspection
- Ultrasound inspection
- Industrial condition monitoring
The VPT Series is specifically identified for medium/high voltage applications and multi-technology inspection.
Benefits of Using IRISS VPT Series
The IRISS VPT Series provides several useful features for organizations developing structured electrical inspection programs.
Key benefits include:
- Dedicated infrared inspection access
- UV inspection capability
- Visual inspection capability
- Ultrasound inspection capability
- Poly-View™ polymer optic
- 2-inch, 3-inch and 4-inch viewing aperture options
- Aluminium reinforcing grill
- IP67 / NEMA 6 protection
- Automatically grounded construction
- 316 stainless steel hardware
- Switchgear-grade body material
- Medium and high voltage application suitability
- Multi-technology inspection capability
Together, these features make the VPT Series a flexible inspection access solution for electrical condition monitoring and maintenance programs.
Cost-Effective Approach to Routine Electrical Inspection
Regular electrical inspection can help maintenance teams identify abnormal conditions and determine when further investigation may be required.
The VPT Series provides a dedicated inspection point that can be used with compatible infrared, UV, visual and ultrasound inspection technologies.
By integrating inspection windows into an electrical maintenance program, organizations can make routine inspection access more convenient and support consistent condition monitoring.
Inspection windows should be used as part of an appropriate electrical safety and maintenance procedure. Always follow the applicable equipment manufacturer’s instructions and relevant safety requirements.
Why Choose Agile Microsys for IRISS VPT Series?
Agile Microsys Pvt. Ltd. is an authorized Channel Partner of IRISS.
We provide industrial inspection and condition monitoring solutions for electrical and industrial applications.
Our team can assist customers with:
- Product Selection
- Technical Information
- Application Guidance
- Product Demonstrations
- Inspection Solution Support
- Technical Assistance
- After-Sales Support
If you are looking for an IRISS VPT Series infrared inspection window, our team can help you understand the available models and identify a suitable solution based on your inspection requirements.
Choose the Right IRISS VPT Series Model
The VPT Series is available in three models with different viewing apertures.
VPT-50
2.0-inch viewing aperture
VPT-75
3.0-inch viewing aperture
VPT-100
4.0-inch viewing aperture
The appropriate model can be selected based on the electrical equipment configuration, available installation space and required inspection viewing area.
Contact Agile Microsys for model selection and technical assistance.
Take Your Electrical Inspection Program to the Next Level
The IRISS VPT Series Infrared Inspection Windows combine Poly-View™ polymer optic technology, infrared inspection, UV inspection and visual inspection capability in a professional inspection access solution.
With 2-inch, 3-inch and 4-inch viewing aperture options, IP67 / NEMA 6 protection, an aluminium reinforcing grill, automatically grounded construction and support for multiple inspection technologies, the VPT Series provides flexible inspection access for electrical equipment.
Improve inspection accessibility, support condition monitoring and make routine electrical inspections more convenient with the IRISS VPT Series.
Contact Agile Microsys Pvt. Ltd. today to learn more about IRISS VPT Series Infrared Inspection Windows and discuss your electrical inspection requirements.
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