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Sunshine Irradiance 0.51 W Xenon Arc Test Apparatus

Name: Sunshine Irradiance 0.51 W Xenon Arc Test Apparatus
Brand: Xi'an LIB Environmental Simulation Industry

The Sunshine Irradiance 0.51 W/m² Xenon Arc Test Apparatus by LIB industry is a weathering system developed for laboratories that require strict narrow-band UV irradiance control at 340 nm, while simultaneously maintaining true full-spectrum solar simulation.

This apparatus regulates irradiance through sensor-based closed-loop control, measuring UV energy directly at the specimen plane. This ensures that the target 0.51 W/m² @ 340 nm remains stable and traceable throughout long-duration exposure cycles.

Driven by a 4500 W water-cooled xenon arc lamp, the system reproduces the complete solar spectrum, supporting both narrow-band UV aging and broad-spectrum sunshine simulation up to 150 W/m² (300–400 nm). Combined with precise temperature, humidity, and water spray regulation, it delivers a highly realistic and repeatable indoor alternative to natural outdoor exposure.

Standard Models: XL-S-750, XL-S-500 (more custom dimensions available)
Standards Compliance: ASTM G151, ASTM G155, ISO 4892-2, ISO 105-B02/B04, AATCC TM16, IEC 60068-2-5, SAE J2020

LIB Industry Sunshine Irradiance 0.51 W/m² Xenon Arc Test Apparatus Video

Key Advantages And Features of Sunshine Irradiance 0.51 W/m² Xenon Arc Test Apparatus

1. Narrow-Band UV Control at 0.51 W/m² @ 340 nm

A high-precision 340 nm UV radiometer measures irradiance directly at specimen level. Closed-loop regulation automatically compensates for lamp aging and optical loss, maintaining ±0.5% irradiance stability during long-term testing.

2. Full-Spectrum Sunshine Simulation

In addition to narrow-band control, the xenon system delivers UV–VIS–IR full-spectrum radiation, with a total irradiance capability of 35–150 W/m², accurately reproducing natural sunlight aging mechanisms.

3. Integrated Photothermal & Moisture Stress

Material degradation is driven by the combined action of light, heat, and moisture. The apparatus provides:

Chamber temperature: Ambient ～ 100 °C
Black Panel Temperature (BPT): 35 ～ 85 °C
Humidity range: 50 ～ 98% RH

Programmable spray and condensation cycles
These parameters operate in coordination with irradiance control to reproduce realistic outdoor weathering mechanisms.

4. Uniform Exposure & High Repeatability

A rotating specimen holder ensures 360° uniform exposure to irradiance, temperature, and moisture. Independent air circulation and optimized airflow design minimize spatial deviation, delivering highly repeatable results across samples, batches, and test cycles.

5. Long-Term Efficiency & Operational Reliability

The water-cooled xenon lamp architecture provides superior thermal stability, extended lamp life (≈1600 h), and reduced power fluctuation during continuous operation. Standardized components and automatic monitoring reduce maintenance frequency and total cost of ownership.

Core Technical Parameters —Sunshine Irradiance 0.51 W/m² Xenon Arc Test Apparatus

Model	XL-S-750
Internal Dimension (mm)	950950850 mm
Overall Dimension (mm)	140014001950 mm
Specimen Holder Size(mm)	95*200
Specimen Capacity	42pcs
Chamber Type	Rotating Holder
Irradiation Source	1 piece of 4500w water-cooled xenon arc lamp
Irradiance Range	35~150 W/㎡
Bandwidth Measurement	300nm~400nm (340nm or 420nm)
Chamber Temperature Range	Ambient ～ 100 ℃ ±2℃
Black Panel Temperature	BPT 35 ～ 85 ℃ ±2℃
Humidity Range	50% ~ 98% RH
Humidity Deviation	± 5% RH
Water Spray Cycle	1~9999H59M (Adjustable)
Controller	Programmable color LCD touch screen controller
Water supply system	Automatic water supply, Water purification system
Radiometer	UV Radiometer, Tolerance: ±5%
Cooling System	Mechanical compression refrigeration system

Details of Sunshine Irradiance 0.51 W/m² Xenon Arc Test Apparatus

SUS304 Stainless-Steel Workroom	Mirror-polished SUS304 stainless steel, providing high reflectivity to improve irradiance uniformity. Its corrosion-resistant surface withstands high humidity (up to 95% RH) and continuous water spray cycles, ensuring structural integrity during prolonged xenon aging tests.
Xenon Arc Lamp Module	4500 W water-cooled xenon arc lamp, the module delivers a stable full-spectrum UV–VIS–IR output (300–800 nm) that closely simulates natural sunlight. Irradiance is precisely controlled within 35–150 W/m² (at 340 nm or 420 nm), with long-term stability ensured by automatic lamp aging compensation.
Advanced Irradiance Control System	Narrow-band control: 0.51 W/m² @ 340 nm Optional 420 nm control for color fastness testing Broadband monitoring: 300–400 nm Multi-step irradiance programming supported.
Intelligent Control Platform	A PID programmable color touchscreen controller supports complex test programs combining irradiance, temperature, humidity, spray, and dark cycles. Network connectivity enables remote monitoring and data logging.

Discover More About Sunshine Irradiance 0.51 W/m² Xenon Arc Test Apparatus

Q1: Why is 0.51 W/m² @ 340 nm specified instead of lamp power?

Because material aging depends on actual sunshine irradiance at the specimen surface, not lamp wattage.
LIB industry controls 0.51 W/m² @ 340 nm via closed-loop radiometer feedback for accurate, comparable results.

Q2: Can narrow-band and full-spectrum sunshine irradiance be tested on one system?

Yes. The Xenon Arc Test Apparatus by LIB industry supports 340 nm narrow-band control and full-spectrum UV–VIS–IR sunshine simulation on the same platform.

Q3: How is long-term irradiance repeatability ensured?

Through real-time radiometer feedback, water-cooled xenon arc stability, and automatic irradiance compensation, LIB industry maintains consistent sunshine irradiance throughout long test cycles.

Build Confidence in Your Sunshine Aging Data

From precise 0.51 W/m² narrow-band UV control to realistic full-spectrum solar simulation, the Sunshine Irradiance Xenon Arc Test Apparatus from LIB industry delivers repeatable, standard-compliant, and traceable weathering results—without waiting for outdoor exposure.

Contact LIB industry today: inquiry@libtestchamber.com
3-Year Warranty | Custom Configuration | Lifetime Technical Support

LIB Team will send you specs and quote today.