DR-302 Fabric UV Aging Test Chamber
Expose textile fabrics, coated fabrics, synthetic leather and related nonmetallic materials to programmable fluorescent UVA light, heat, condensation and water spray. The chamber helps laboratories compare color change, strength retention, surface deterioration and weathering durability after controlled accelerated exposure.
8 × 40 W UVA lamps
UV / condensation / spray cycles
Up to 48 textile specimens
What This Fabric UV Chamber Measures
Fluorescent UV exposure is an accelerated conditioning step. After exposure, textile properties are measured using the applicable evaluation method. The chamber does not directly calculate every durability result.
Color and Appearance
Compare fading, yellowing, shade change, chalking, cracking or coating deterioration before and after exposure.
Mechanical Retention
Measure tensile, tear, abrasion or adhesion retention with separate instruments after the programmed weathering cycle.
Moisture Durability
Use condensation and optional water spray to evaluate how repeated UV and moisture affect coated or outdoor textiles.
UPF is a different measurement: ASTM D6544, AATCC TM183, ASTM D6603 and EN 13758 address UV transmission, preparation, labeling or classification of UV-protective textiles. A spectrophotometer or UV-transmittance instrument is normally required to calculate UPF. The DR-302 can age the fabric before that measurement, but it does not replace the UPF instrument.
DR-302 Published Specifications
| Modelo | DR-302 (the old body content also says DR-H302; confirm the equipment nameplate) |
|---|---|
| External dimensions | 1300 × 500 × 1460 mm |
| Material da câmara | porta de aço inoxidável SUS304 |
| Faixa de temperatura | Ambient to +70°C |
| Variação de temperatura | ±2°C |
| Controlo de temperatura | PID / SSR control |
| Condensation humidity condition | Published as ≥95%RH |
| Controlador | Programmable LCD touchscreen |
| Modo de controlo | Balance temperature-humidity control (BTHC) |
| Programmable phases | UV exposure, condensation and water-spray cycles |
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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
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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cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits AATCC TM16.3 and ISO 105-B02 are commonly associated with xenon-arc colorfastness-to-light testing. A fluorescent UVA chamber cannot be declared equivalent to a xenon-arc tester unless the specific method permits it.
Controller, Construction and Safety
Control and Records
- Fixed-value and programmable operation
- Touchscreen cycle editing and status display
- Program time and segment information
- Optional SD/USB export, computer connection or recording
- Lamp replacement alarm
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- Door interlock that switches off lamps when opened
- Overtemperature protection
- Low-water protection
- Leakage, short-circuit and overcurrent protection
- Controller power-failure memory
The inner chamber and wet-area components use corrosion-resistant materials. Specimen holders are adjustable for quick loading while maintaining the published 50 ±2 mm lamp distance.
How to Build a Useful Fabric UV Test
Define the Failure Mode
Decide whether the goal is color change, strength loss, coating cracking, adhesion loss, water repellency or UPF retention.
Select the Cycle
Specify lamp type, irradiance, black-panel/chamber temperature, exposure duration, condensation and spray phases.
Measure Before and After
Condition specimens consistently and use the correct color, tensile, tear, microscopy, adhesion or UV-transmission method.
Information Needed Before Quotation
Material and Method
- Fabric or coating composition
- Specimen dimensions and thickness
- Applicable standard and cycle
- Required UVA lamp type
- Properties evaluated after exposure
Equipment Requirements
- Irradiance monitoring and calibration
- Condensation and spray phases
- Specimen capacity and holders
- Data export and controller language
- Voltage, water quality and installation environment
Perguntas Frequentes
What does a fabric UV aging chamber evaluate?
It conditions textiles under fluorescent UV, heat and moisture. Separate instruments then measure changes such as fading, yellowing, strength loss, cracking, adhesion or water-repellency loss.
Can this chamber measure UPF directly?
No. UPF requires spectral UV-transmittance measurements and the applicable calculation method. The chamber can age the textile before measuring whether UPF has changed.
What lamp type does the DR-302 use?
The live page specifies eight 40 W Atlas UVA lamps covering a published 315–400 nm range. Confirm the exact lamp designation, such as UVA-340, on the quotation.
Can UVB lamps be installed?
Only if the chamber, controller and selected method support the exact UVB lamp. UVA and UVB spectra create different degradation and should not be interchanged without a documented method.
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