Xenon Arc Weathering Test Chamber SN-800 by Langbo Instruments

Overview

The Langbo Instruments SN-800 Xenon Arc Weathering Test Chamber is an engineered environmental simulation system designed to replicate the full spectrum of outdoor weathering stressors—including solar radiation, temperature fluctuations, and controlled humidity—under accelerated laboratory conditions. Utilizing a 6 kW water- or air-cooled xenon arc lamp as its primary irradiation source, the chamber delivers spectrally stabilized output closely matching natural sunlight (300–800 nm), enabling quantitative assessment of material degradation mechanisms such as photooxidation, chalking, cracking, color fading, and gloss loss. Its compliance with internationally recognized test standards—including ISO 4892-2, ASTM G155, SAE J2527, and GB/T 16422.2—ensures data integrity for R&D validation, quality assurance, and regulatory submission workflows in automotive, aerospace, coatings, plastics, textiles, and packaging industries.

Key Features

• High-fidelity spectral match: Xenon lamp system with precision optical filters ensures UV, visible, and near-IR irradiance distribution aligned with CIE daylight standard D65.
• Robust thermal-hygrometric control: Dual-loop PID regulation maintains temperature stability within ±2°C across the working volume (RT+10°C to 70°C) and humidity accuracy of ±3% RH between 30–95% RH.
• Programmable irradiance control: Adjustable irradiance setpoints from 550 to 1200 W/m² enable test acceleration while preserving photodegradation pathway fidelity.
• Rotating sample rack: Motor-driven turntable rotates at 1 rpm (field-adjustable) to ensure uniform exposure across all specimens, minimizing positional bias per ISO 4892-2 Annex A.
• Dual cooling architecture: Integrated stainless steel finned heat exchangers and multi-stage condenser design coupled with a Tecumseh hermetic compressor deliver stable thermal management under high-load irradiation cycles.
• Corrosion-resistant construction: 304 stainless steel interior chamber, powder-coated carbon steel or optional stainless steel exterior, and polyurethane foam insulation provide long-term structural integrity and thermal efficiency.
• Comprehensive safety system: Real-time monitoring and automatic shutdown for overvoltage, phase loss, overtemperature, lamp arc failure, and coolant flow interruption—meeting IEC 61000-6-2/6-4 EMC requirements.

Sample Compatibility & Compliance

The SN-800 accommodates flat-panel specimens up to 600 mm × 600 mm (standard rack) or custom fixtures for 3D components (e.g., automotive trim, signage, roofing membranes). It supports both open-face and black-panel thermometer (BPT) configurations per ASTM G155 calibration protocols. All operational parameters—including irradiance, temperature, humidity, and spray cycles—are traceable and auditable, supporting GLP-compliant documentation. The system is compatible with ISO/IEC 17025-accredited laboratories and satisfies baseline requirements for FDA-regulated polymer packaging validation (21 CFR Part 11-ready when paired with validated software).

Software & Data Management

Equipped with a programmable touchscreen controller (optional upgrade to Siemens Desigo or Eurotherm 3500 series), the SN-800 enables storage of ≥100 test programs with multi-segment profiles (irradiance ramping, temperature/humidity cycling, dark/light phases, and water spray timing). Data logging resolution is 1-second, exportable via USB or RS485 to CSV or Excel-compatible formats. Optional Ethernet interface supports remote monitoring, alarm notification via SMTP, and integration into centralized LIMS or MES platforms. Audit trail functionality—including user login, parameter changes, and system events—is configurable to meet 21 CFR Part 11 electronic record requirements when used with qualified software add-ons.

Applications

• Automotive OEMs and Tier-1 suppliers evaluating paint durability, headlamp lens yellowing, and interior trim UV resistance per SAE J2412/J2527.
• Coatings manufacturers conducting QUV-to-xenon correlation studies and ISO 11341 cyclic exposure validation.
• Polymer compounders assessing stabilizer package efficacy in PP, PE, PVC, and engineering thermoplastics.
• Textile and geotextile producers qualifying UV resistance for outdoor awnings, marine fabrics, and agricultural covers per AATCC TM16 or ISO 105-B02.
• Building product certifiers performing accelerated aging of roofing membranes, sealants, and façade cladding per ASTM D4459 and EN 14783.

FAQ

What standards does the SN-800 comply with?

It meets core requirements of ISO 4892-2, ASTM G155, SAE J2527, GB/T 16422.2, and IEC 60068-2-9 for xenon arc exposure testing.
Can the chamber perform light/dark cycles with humidity control?

Yes—it supports fully independent programming of irradiance, temperature, humidity, and spray phases within a single test sequence.
Is calibration support available for irradiance sensors?

Third-party NIST-traceable calibration services are available for broadband and spectral irradiance sensors upon request.
What maintenance intervals are recommended for the xenon lamp and filters?

Lamp replacement is typically required every 1,500–2,000 hours; optical filters should be inspected quarterly and replaced annually or after 3,000 hours of operation.
Does the system include a water purification module for spray function?

A deionized water feed option with integrated resistivity monitor (≥1 MΩ·cm) is available as an accessory to prevent nozzle clogging and mineral deposits.