Optical Sensors & Detector – UV Calibration
UV Exposure Test
Advanced UV Exposure Test System for Material Durability, Ageing, and Photostability Evaluation under Controlled Conditions
The UV Exposure Test System is a precision-engineered instrument designed to simulate natural sunlight and accelerated UV ageing conditions for testing the durability, colour stability, and photodegradation resistance of materials, coatings, and components. Using controlled ultraviolet radiation—typically in the UVA (315–400 nm) and UVB (280–315 nm) ranges—the system reproduces the effects of long-term environmental exposure in a short time. Equipped with high-stability UV lamps, temperature and humidity control, and real-time irradiance monitoring, it enables repeatable and traceable test results. Ideal for industrial R&D and quality control, it supports compliance with international standards such as ISO 4892, ASTM G154, and IEC 61215. The UV Exposure Test System is essential for automotive, aerospace, polymer, paint, and solar industries, ensuring products meet long-term weathering, performance, and safety requirements through accurate UV simulation and data-driven analysis.
Understanding UV Exposure Test
The UV Exposure Test System exposes test specimens to controlled ultraviolet radiation, heat, and moisture to evaluate material degradation mechanisms such as fading, cracking, yellowing, and loss of strength. By maintaining stable irradiance and environmental conditions, the system replicates months or years of outdoor exposure within days. Integrated sensors continuously monitor UV intensity and spectrum, ensuring consistent test conditions. Data logging and feedback loops provide precise irradiance control, while optional temperature and humidity regulation simulate real-world environmental stress. This makes the system indispensable for manufacturers and researchers seeking reliable UV durability data for product validation and certification.
Technical Specifications
| Feature | Specification |
| UV Wavelength Range |
UVA: 315–400 nm / UVB: 280–315 nm (customisable)
|
| Light Source |
Fluorescent UV Lamps / Xenon Arc Lamp (option)
|
| Irradiance Range |
0.5 – 1.5 W/m² at 340 nm (adjustable)
|
| Temperature Control | 25°C – 70°C (±1°C) |
| Humidity Control |
30% – 95% RH (optional)
|
| Exposure Area |
Up to 1,000 cm² (expandable)
|
| Control Interface |
Touchscreen with Data Logger
|
| Irradiance Monitoring |
Real-time with SiC Photodiode Detector
|
| UV Calibration |
NIST/PTB traceable reference
|
| Test Duration |
1 hour – 1,000 hours (programmable)
|
| Standards Compliance |
ISO 4892-2 / ASTM G154 / IEC 61215
|
| Power Supply | 230 V AC / 50 Hz |
| Operating Environment |
15°C – 35°C / < 75% RH
|
| Data Output |
USB / Ethernet / RS-485
|
Key Features and Advantages
Precise UV Simulation
The system reproduces sunlight spectrum within the UV region, using UVA and UVB light sources for realistic ageing and weathering tests.
Stable and Repeatable Conditions
Built-in feedback loops maintain constant irradiance, temperature, and humidity throughout long-duration tests, ensuring repeatable results.
Traceable Calibration
Integrated UV sensors are calibrated against NIST/PTB standards, ensuring accuracy and compliance with international test requirements.
Versatile Test Configurations
Customisable lamp types, intensity ranges, and specimen holders accommodate polymers, paints, textiles, adhesives, and photovoltaic modules.
Real-Time Monitoring
Advanced sensors continuously measure UV irradiance and temperature to maintain controlled exposure conditions with automatic adjustments.
Software-Controlled Operation
User-friendly software enables programmable exposure cycles, data logging, test reporting, and compliance documentation for quality audits.
Industrial Durability
Constructed with corrosion-resistant stainless steel and UV-resistant coatings, the system operates reliably in laboratory or production environments.
Global Standard Compliance
Conforms to ISO 4892, ASTM G154, and IEC 61215 for UV ageing and photostability evaluation.
By combining accurate UV spectrum reproduction, stable calibration, and long-term reliability, the UV Exposure Test System provides unmatched precision for material endurance and photodegradation studies.
Applications Across Industries
Automotive and Aerospace Materials
Used to assess the UV stability and colour retention of coatings, plastics, composites, and interior materials exposed to sunlight.
Polymer and Plastic Testing
Evaluates the degradation behaviour of polymer films, moulded parts, and packaging materials under UV exposure.
Paints, Coatings, and Inks
Tests gloss retention, adhesion, and pigment fading to ensure product longevity and outdoor performance.
Textiles and Fabrics
Measures colourfastness, strength degradation, and UV resistance for fabrics used in outdoor applications.
Photovoltaic Modules and Solar Materials
Validates the UV durability of encapsulants, glass coatings, and panel backsheets in compliance with IEC standards.
Research and Quality Control Laboratories
Used for accelerated ageing studies, UV calibration experiments, and photostability validation in R&D and industrial QC setups.
The UV Exposure Test System provides a complete solution for predicting product lifespan, improving material formulations, and ensuring compliance with global quality standards through controlled ultraviolet ageing evaluation.
Why Choose United Spectrum Instruments?
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Exclusive distributor of advanced UV exposure and calibration systems in India
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Traceable calibration to NIST/PTB standards ensuring accuracy and reliability
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Expertise in integrating UV ageing, calibration, and photometric testing systems
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Competitive pricing for R&D, industrial, and certification laboratories
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Nationwide service, installation support, and annual recalibration assistance
FAQs
What does a UV exposure test measure?
It measures the material’s resistance to UV-induced degradation, such as fading, cracking, and strength loss.
Which UV sources are used?
Fluorescent UVA/UVB lamps or xenon arc lamps with spectral filters.
Are the systems compliant with global standards?
Yes, ISO 4892, ASTM G154, and IEC 61215 are fully supported.
Can temperature and humidity be controlled?
Yes, optional temperature and humidity modules allow realistic weathering simulation.
How does United Spectrum support calibration?
By providing traceable calibration, maintenance, and technical consultation services across India.
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FAQs
What does a UV exposure test measure?
It measures the material’s resistance to UV-induced degradation, such as fading, cracking, and strength loss.
Which UV sources are used?
Fluorescent UVA/UVB lamps or xenon arc lamps with spectral filters.
Are the systems compliant with global standards?
Yes, ISO 4892, ASTM G154, and IEC 61215 are fully supported.
Can temperature and humidity be controlled?
Yes, optional temperature and humidity modules allow realistic weathering simulation.
How does United Spectrum support calibration?
By providing traceable calibration, maintenance, and technical consultation services across India.
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