Atlas SUNTEST XXL+ FD Xenon Arc Weathering Test Chamber

Overview

The Atlas SUNTEST XXL+ FD is a high-capacity, research-grade xenon arc weathering test chamber engineered for accelerated light stability and photodegradation evaluation of fast-moving consumer goods (FMCG), including food, beverages, pharmaceutical packaging, cosmetics, and flexible or rigid 3D packaging systems. It operates on the principle of controlled xenon arc irradiation—spectrally filtered to replicate natural solar radiation (300–400 nm) and artificial indoor lighting conditions—enabling precise simulation of real-world exposure environments such as retail shelf display, warehouse storage, and ambient indoor/outdoor usage. Its large 3000 cm² flat exposure area and vertical chamber height (172 cm) accommodate full-size bottles, cartons, pouches, trays, and multi-layer laminates without disassembly—critical for evaluating package integrity, label fading, ink migration, and barrier performance under photothermal stress. The system integrates advanced thermal management via the proprietary SunCool forced-air cooling system, ensuring stable black standard temperature (BST) and chamber temperature (CHT) control even at maximum irradiance output—thereby eliminating thermal artifacts that compromise photostability correlation.

Key Features

• Three 1700 W air-cooled xenon lamps housed in a precision-engineered lamp module featuring aluminum reflectors, quartz lamp sockets, and interchangeable filter slots—including IR-reflective outer filters compliant with CIE 85:2015 spectral requirements.
• Full-spectrum irradiance control: independent regulation of 300–400 nm broadband (30–65 W/m²) and narrowband 340 nm (0.26–0.62 W/m²) irradiance, with real-time closed-loop feedback using calibrated UV sensors.
• Multi-parameter digital control: simultaneous, user-defined setpoints and tolerances for BST (25–100 °C), BPT (black panel temperature), CHT (15–70 °C), relative humidity (via ultrasonic humidifier), and spray cycle timing/duration.
• Intuitive 7-inch capacitive touchscreen interface supporting 13 languages; preloaded with 10 programmable test profiles (up to 12 stages each), plus 34 industry-standard methods for polymers, coatings, and packaging materials (e.g., ASTM D7869, ISO 11341, IEC 60068-2-9).
• SunCool cooling system enables low-temperature operation (CHT down to 15 °C) while maintaining high irradiance—essential for simulating cool-shelf retail conditions—and is fully detachable for conventional high-temperature aging protocols (CHT up to 70 °C).
• Integrated 60 L spray reservoir with adjustable nozzle array and 5° sample plane tilt for uniform aqueous exposure across 3D geometries; compatible with deionized water or standardized saline solutions per ISO 4892-2.

Sample Compatibility & Compliance

The SUNTEST XXL+ FD accommodates heterogeneous 3D samples—including PET bottles, HDPE jugs, aluminum cans, laminated pouches, printed cardboard, and blister packs—without requiring specimen flattening or cutting. Its open-frame sample holder design supports variable mounting fixtures (e.g., bottle clamps, tray racks, vertical stands). All thermal and irradiance sensors conform to ISO 4892-1:2016 specifications for sensor geometry, calibration traceability, and spatial uniformity verification. The chamber meets the optical and thermal boundary conditions defined in CIE Publication 85:2015 for daylight simulation fidelity. Optional BST/BPT sensor configurations support GLP-compliant validation per ASTM E2582 and FDA 21 CFR Part 11 when used with XenoTouch software (Attachment 2: Email Service and Attachment 3: Online Monitoring).

Software & Data Management

Internal flash memory logs all operational parameters—including irradiance, BST, BPT, CHT, humidity, spray status, and lamp hours—at user-selectable intervals (1 s to 60 min). Data export is supported via Ethernet (TCP/IP), RS-232 serial interface, or removable SD card. The optional XenoTouch software suite provides remote configuration, real-time dashboard visualization, automated report generation (PDF/CSV), and audit-trail-enabled user access control—fully aligned with 21 CFR Part 11 electronic record requirements. Diagnostic alerts are timestamped and stored with contextual metadata (e.g., sensor drift warnings, lamp end-of-life prediction, cooling fan RPM deviation).

Applications

• Accelerated shelf-life testing (ASLT) of food and beverage packaging under simulated supermarket lighting and ambient temperature profiles.
• Evaluation of photochemical degradation kinetics in UV-sensitive ingredients (e.g., vitamins, probiotics, natural colorants) within transparent or semi-transparent containers.
• Comparative assessment of UV stabilizers, HALS additives, and barrier coatings in multilayer films and metallized substrates.
• Regulatory compliance testing per ISO 11341 (paints and varnishes), ASTM D4329 (plastics), and IEC 60068-2-9 (electronic enclosures).
• Development of light-stable labeling inks, adhesives, and shrink sleeves exposed to mixed-spectrum retail environments.

FAQ

What standards does the SUNTEST XXL+ FD comply with?
It meets ISO 4892-1:2016 (general principles), ISO 4892-2:2013 (xenon arc method), CIE 85:2015 (spectral power distribution), and supports method execution per ASTM D7869, ISO 11341, and IEC 60068-2-9.
Can the chamber operate without the SunCool system?
Yes—the SunCool module is mechanically detachable, enabling standard high-temperature aging modes up to 70 °C chamber temperature.
Is humidity control available during high-irradiance testing?
Ultrasonic humidification is active only when SunCool is disabled; for combined light/humidity stress, users select between CHT-controlled or dual-mode (CHT + BST) regulation to maintain condensation-free operation.
How is irradiance uniformity validated across the 3000 cm² exposure area?
Uniformity is verified per ISO 4892-1 Annex B using a grid-based sensor mapping protocol; typical deviation is ≤ ±15% across the central 80% of the exposure plane.
What external sensors can be connected via the 30 × 25 mm port?
The port supports analog (0–10 V / 4–20 mA) or digital (RS-485) inputs for third-party O₂ permeation sensors, VOC analyzers, or custom thermocouple arrays—enabling correlative physicochemical monitoring during exposure.