Q-Lab QUV/Spray UV Aging Test Chamber
| Brand | Q-Lab |
|---|---|
| Origin | USA |
| Distributor Type | Authorized Distributor |
| Import Status | Imported |
| Model | QUV/Spray |
| Irradiance Range | 0.48–0.95 W/m² @ 340 nm |
| Test Duration | Adjustable from 1 to 9999 hours |
| UV Wavelength Range | 250–400 nm |
| Chamber Capacity | Up to 48 specimens (75 mm × 150 mm each) |
Overview
The Q-Lab QUV/Spray UV Aging Test Chamber is an industry-standard accelerated weathering instrument engineered for precision simulation of solar ultraviolet radiation, moisture condensation, and water spray exposure. It operates on the principle of controlled cyclic exposure—alternating between UV irradiation (using fluorescent UVA-340 or UVB-313 lamps), temperature-regulated condensation (simulating dew), and programmable water spray (mimicking rain or thermal shock). This tri-modal exposure architecture enables rapid acceleration of photodegradation, hydrolysis, chalking, gloss loss, color shift, and mechanical embrittlement in polymeric, coating, automotive, aerospace, and architectural materials. Unlike natural outdoor exposure—which requires months or years to yield measurable degradation—the QUV/Spray delivers reproducible, quantifiable aging data in days or weeks, with strong correlation to real-world field performance when calibrated per ASTM G154, ISO 4892-3, and SAE J2020.
Key Features
- Tri-functional exposure control: UV irradiation + condensation + water spray—fully programmable in sequence, duration, and intensity
- UVA-340 lamp option delivering spectral output closely matching terrestrial solar UV below 365 nm—critical for realistic polymer and coating degradation studies
- SOLAR EYE® irradiance feedback system with automatic lamp output compensation ensures long-term stability and traceable calibration per NIST-traceable standards
- Integrated water spray system enables both short-duration thermal shock cycles and extended mechanical erosion protocols
- Third-generation Q-Lab controller with intuitive touchscreen interface, real-time parameter display, AutoCal™ rapid calibration, and multi-color LED status indicators
- Self-diagnostic alerts and maintenance reminders reduce downtime; REPAIRPEDIA™ online troubleshooting database accessible free-of-charge to all registered users
- Robust stainless-steel chamber construction with insulated double-wall design for stable temperature uniformity (±2°C across specimen plane)
Sample Compatibility & Compliance
The QUV/Spray accommodates up to 48 flat-panel specimens measuring 75 mm × 150 mm, supporting standardized sample holders compliant with ASTM D6695, ISO 11341, and GB/T 1865. Specimen racks are designed for consistent irradiance distribution and unobstructed spray coverage. The system meets essential safety and regulatory requirements including UL 61010-1 (electrical safety), IEC 60529 (IPX1 drip protection), and CE marking for EMC and LVD directives. For regulated environments, optional audit trail logging and user access controls support compliance with FDA 21 CFR Part 11 and GLP/GMP documentation workflows.
Software & Data Management
The embedded controller supports full-cycle programming—including UV intensity ramping, condensation dwell time, spray frequency/duration, and dark periods—with up to 100 stored test profiles. Optional Q-Lab’s SunTest™ PC software enables remote monitoring, real-time graphing of irradiance/temperature/humidity trends, automated report generation (PDF/CSV), and export of raw data for statistical analysis (e.g., ANOVA, regression modeling). All calibration events, alarm logs, and parameter changes are timestamped and user-attributed—providing full traceability required for ISO/IEC 17025-accredited laboratories.
Applications
- Automotive OEMs validating exterior trim, headlamp lenses, and paint systems per SAE J2527 and GMW14124
- Coating manufacturers assessing gloss retention, blistering, and adhesion failure under cyclic UV/water stress
- Polymer compounders evaluating stabilizer package efficacy in PVC, PP, PE, and TPO formulations
- Architectural product developers testing roofing membranes, sealants, and facade cladding per ASTM D4329 and ISO 4892-3
- Medical device suppliers verifying UV resistance of polymer housings exposed to sterilization-grade ambient lighting
- Research institutions conducting fundamental photochemical kinetics studies on photoinitiators and UV absorbers
FAQ
What UV lamp types are compatible with the QUV/Spray?
The standard configuration uses UVA-340 lamps for solar-spectrum simulation; optional UVB-313 lamps provide enhanced degradation for highly stabilized materials. UVC-254 lamps are available in the dedicated QUV/uvc variant—not installed in the QUV/Spray model.
Can the QUV/Spray meet ASTM G154 Cycle 1 and Cycle 4 simultaneously?
Yes—Cycle 1 (UV only) and Cycle 4 (UV + condensation + spray) are pre-programmed and fully customizable via the controller interface.
Is external water purification required for the spray system?
No—deionized or distilled water is recommended for extended nozzle life, but the system is engineered to operate reliably with ASTM D1193 Type IV water (tap water with ≤10 ppm total dissolved solids).
How often does the irradiance sensor require recalibration?
Annual recalibration is recommended; the SOLAR EYE® system includes built-in drift compensation and supports NIST-traceable verification using Q-Lab’s calibrated reference sensors.
Does the QUV/Spray support third-party data acquisition integration?
Yes—via RS-232 or optional Ethernet interface, enabling direct connection to LabVIEW, MATLAB, or custom SCADA platforms for centralized test fleet management.
