Atlas Ci4400 Xenon Arc Weathering Test Chamber

Overview

The Atlas Ci4400 Xenon Arc Weathering Test Chamber is an advanced, fully integrated accelerated weathering instrument engineered for precision simulation of solar radiation, temperature, and humidity effects on materials under controlled laboratory conditions. Based on the fundamental principle of xenon arc irradiation—mimicking the full solar spectrum (290–800 nm) with spectral power distribution closely aligned to terrestrial sunlight—the Ci4400 enables reproducible evaluation of photodegradation, color fading, gloss loss, cracking, chalking, and mechanical property deterioration. Designed for compliance-driven industries including automotive, aerospace, coatings, plastics, textiles, and packaging, the system meets core requirements of ISO 4892-2, ASTM G155, IEC 60068-2-9, and SAE J2527. Its robust architecture integrates a 6500 W water-cooled xenon lamp source, VibraSonic™ ultrasonic humidification, and multi-zone air circulation to ensure exceptional spatial uniformity in irradiance (±3%), black panel temperature (BPT), black standard temperature (BST), and relative humidity—critical for inter-laboratory correlation and regulatory acceptance.

Key Features

• 6500 W high-intensity water-cooled xenon lamp with CS-9 cooling system and real-time water quality monitoring with automatic alarm notification
• 7,300 cm² (1,130 in²) total exposure area accommodating large-format specimens or high-throughput sample arrays
• Three-tier removable drum-style sample rack for flexible mounting and optimized airflow distribution
• 15″ full-color TFT touchscreen interface supporting 11 languages and intuitive parameter configuration (irradiance at 340 nm, 420 nm, or 300–400 nm band; BPT/BST; RH; chamber air temperature)
• VibraSonic™ humidification delivering rapid, stable, and particle-free moisture control—enabling precise RH modulation from 10% to 100% across light/dark cycles
• SmartLight Monitor™ system for automated verification of irradiance sensor placement and operational status of light energy measurement points
• Dual-position spray system (front and rear) with configurable timing, pressure, and nozzle geometry to replicate natural dew, rain, or condensation cycles
• Comprehensive diagnostic dashboard displaying real-time subsystem status, calibration alerts, lamp life tracking, and fault logs
• Preloaded library of 14 internationally recognized test methods with editable parameters; supports up to 12 custom programs with nested sub-cycles and conditional logic
• Integrated Ethernet and USB data export capabilities; includes onboard USB flash drive for immediate result archiving and GLP-compliant audit trail generation

Sample Compatibility & Compliance

The Ci4400 accommodates rigid and flexible substrates—including painted panels, polymer films, composite laminates, textile swatches, and coated electronics—via standardized fixtures compatible with ASTM D7869, ISO 11341, and AATCC TM16 specimen holders. Its optical filter configurations (Daylight-Q, Window-Q, Extended UV) allow tailoring of spectral output to match specific end-use environments (e.g., automotive interior vs. architectural façade exposure). All hardware and firmware comply with ISO/IEC 17025 calibration traceability requirements. The system supports FDA 21 CFR Part 11–ready software configurations (with optional electronic signature module) and is validated for use in GLP and GMP-regulated laboratories. Electrical safety conforms to UL 61010-1, CE, CSA C22.2 No. 61010-1, and EN 61000-6-3 standards; environmental testing protocols align with ISO 17025-accredited calibration practices.

Software & Data Management

Test execution, parameter logging, and report generation are managed via the embedded CiControl™ operating system—designed for deterministic real-time control and long-term data integrity. Each test run automatically generates timestamped CSV and PDF reports containing irradiance integrals (kJ/m²), cumulative BPT/BST exposure, RH profiles, and spray event logs. Data fields are structured to support LIMS integration and automated import into statistical analysis platforms (e.g., JMP, Minitab). Audit trails record all user actions—including method edits, setpoint changes, and calibration events—with immutable timestamps and operator ID attribution. Optional cloud-based remote monitoring (via secure HTTPS API) enables cross-site fleet management and centralized compliance review without compromising network security.

Applications

The Ci4400 serves as a primary tool for R&D validation, QC release testing, and failure analysis across regulated sectors. In automotive supply chains, it validates paint durability per GMW14872 and Ford CETP 00.00-L-467. Aerospace manufacturers apply it to assess polymer sealant aging against ASTM D4329 and SAE AMS 15270. Coating formulators use its spectral fidelity to correlate lab results with Florida or Arizona field exposures per ASTM G7. Textile labs rely on its repeatable UV dose delivery for AATCC TM16 and ISO 105-B02 colorfastness assessment. Packaging developers deploy it for shelf-life modeling of UV-sensitive pharmaceutical blisters and food-grade laminates under ICH Q1B photostability guidelines.

FAQ

What spectral filters are available for the Ci4400, and how do they affect test relevance?
The system supports Daylight-Q (full-spectrum simulation), Window-Q (glass-filtered irradiance), and Extended UV filters—each calibrated to match specific service environments per ISO 4892-2 Annex A.
Does the Ci4400 support automated calibration verification?
Yes—SmartLight Monitor™ confirms correct irradiance sensor positioning, while optional Xenocal® calibration kits enable NIST-traceable recalibration of radiometric channels.
Can humidity be controlled independently during dark cycles?
Yes—RH is actively regulated up to 100% during dark periods, enabling realistic condensation simulation per ISO 4892-2 Clause 7.3.
Is the Ci4400 suitable for ISO 17025-accredited laboratories?
Yes—its design, documentation, and calibration traceability pathways meet ISO/IEC 17025:2017 requirements for testing equipment used in accredited conformity assessment.
How does the VibraSonic™ humidification system improve test repeatability compared to steam-based alternatives?
Ultrasonic mist generation eliminates thermal lag and mineral deposition, ensuring faster RH ramp rates, tighter control bandwidth (±2% RH), and zero risk of specimen wetting artifacts.