Controlled Full-Spectrum Exposure for Materials Weathering Programs
The DERUI DR-H301-2 xenon arc weathering test chamber combines a water-cooled xenon lamp with controlled chamber temperature, humidity, black-panel temperature and water spray. It is designed for laboratories evaluating how plastics, coatings, automotive materials, textiles and other products change under filtered xenon light and moisture.
Start With the Required Test Method—not a Generic “Sunlight” Claim
ASTM G155 provides operating principles for filtered xenon-arc exposure of materials. ISO 4892-2 covers xenon-arc exposure of plastics in the presence of moisture, including daylight and window-glass-filtered conditions. SAE J2527 addresses controlled-irradiance xenon-arc exposure of automotive exterior materials.
The standard name alone is not a complete test program. The buyer must define the edition, exposure cycle, filter system, irradiance control point, black-panel or black-standard temperature, humidity or wetting, specimen mounting and evaluation criteria. DERUI reviews these requirements before confirming compliance.
What the DR-H301-2 Controls
Filtered Xenon Light
A water-cooled xenon lamp produces UV, visible and infrared energy. The optical filter and control wavelength must match the specified method and intended exposure.
Specimen Temperature
Chamber air temperature and black-panel temperature are monitored separately because a dark specimen can become hotter than the surrounding air under radiation.
Humidity and Wetting
Humidity and programmable water spray reproduce moisture-related stresses specified by the selected procedure. Spray settings are not interchangeable between standards.
Repeatable Exposure Cycles
The controller coordinates light, temperature, humidity, spray and timing. Closed-loop irradiance capability and its control point must be confirmed in the approved configuration.
Published DR-H301-2 Technical Configuration
These values consolidate the technical-parameter tab currently published for this product. The signed technical agreement and approved quotation remain controlling.
| Modèle | DR-H301-2 |
|---|---|
| cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits | 950 × 950 × 850 mm (D × W × H) |
| cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits | 1460 × 1280 × 1950 mm (D × W × H) |
| Température de la chambre | 38–80°C |
| Plage d'humidité | 40–98% RH |
| Black-panel temperature | 63–100°C, published tolerance ±3°C |
| Temperature fluctuation / uniformity | cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits |
| Published humidity fluctuation | +2 / −3% RH |
| cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits | cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits |
| cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits | cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits |
| cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits | cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits |
| cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits | cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits |
| cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits | cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits |
| cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits | cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits |
| Alimentation électrique | cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits |
cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits
| cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits | cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits | cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits |
|---|---|---|
| cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits | cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits | cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits |
| cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits | cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits | cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits |
| cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits | cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits | 500 × 760 × 500 mm |
| cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits | cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits | cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits |
cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits.
cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits
cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits
cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits.
cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits
cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits.
cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits
cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits.
cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits
cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits.
cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits
cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits
cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits.
cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits
cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits.
cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits
cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits.
cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits
cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits.
cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits
cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits.
cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits
cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits.
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The chamber can support programs for automotive coatings and trim, plastics, paints, inks, textiles, rubber, sealants, packaging and other exposed materials when its approved configuration matches the required method.
- Appearance: instrumental color difference, gloss retention, yellowing and visual rating.
- Surface degradation: cracking, checking, chalking, blistering, fading and delamination.
- Mechanical retention: tensile, elongation, impact or adhesion before and after exposure.
- Comparative studies: candidate materials tested alongside a control with known behavior.
A chamber creates the exposure; it does not automatically measure every post-exposure property. Colorimeters, gloss meters, tensile testers or other instruments may be required.
Filter, Irradiance and Specimen-Rack Selection
- Filter system: specify whether the method requires daylight, window-glass-filtered or another defined spectral condition.
- Irradiance control: specify the control wavelength or broadband range and required calibration method.
- Specimen geometry: flat plaques, textiles and three-dimensional parts require different holders and usable spacing.
- Uniformity: request the acceptance method and mapping area for the usable specimen plane.
- Inspection access: decide whether specimens will be removed at intervals and how positions will be recorded or rotated.
Calibration, Water Quality and Acceptance
Procurement should include an agreed factory acceptance test. Depending on the method and configuration, checks may cover irradiance response and uniformity, black-panel temperature, chamber temperature, humidity, spray operation, rack speed, timer functions, alarms and data records.
Optical Channels
Confirm sensor type, control wavelength, calibration status, reference instrument and allowable difference.
Climate Channels
Verify temperature and humidity at defined locations and operating conditions rather than relying only on controller display values.
Water System
Define supply quality, filtration, conductivity or purity limit where required, drainage and spray verification.
Documentation
Agree on calibration certificates, uniformity report, FAT record, manuals, wiring diagrams and spare-parts list.
Safety and Preventive Maintenance
Xenon systems involve intense optical radiation, high-voltage lamp ignition, heat and pressurized cooling. Operators should never bypass the door interlock or view an operating lamp without suitable protection. The installation plan should cover ventilation, cooling-water requirements, electrical isolation, drainage and emergency shutdown.
- Record lamp operating hours and inspect output stability.
- Clean and inspect filters, optical surfaces, spray nozzles and specimen holders.
- Maintain cooling-water quality and inspect hoses, seals and flow protection.
- Verify irradiance and temperature sensors at the interval required by the quality system.
- Test door interlock, over-temperature, low-flow and other installed alarms.
cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits
- cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits
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Foire Aux Questions
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cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits
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