U48AU Carbon Arc Weathering Test Chamber
The U48AU Carbon Arc Weathering Test Chamber is a globally recognized instrument for accelerated sunlight colorfastness testing. It evaluates the light-induced aging of various materials and products, serving applications in textile fibers, building materials, notebooks, and common office supplies. The chamber complies with multiple sunlight colorfastness testing standards.
Standards
ASTM G153-13 Standard Practice for Testing Nonmetallic Materials Using a Closed Carbon Arc Lamp
ASTM D3980 Practice for Interlaboratory Testing of Paints and Related Materials
ASTM G23 Testing Nonmetallic Materials Using Carbon Arc Exposure Apparatus (With and Without Water)
ASTM G114 Terminology Related to Natural and Artificial Weathering Tests for Nonmetallic Materials
ASTM G151 Laboratory Light Source Acceleration Test Apparatus for Nonmetallic Materials
ASTM G152 Open Carbon Arc Exposure Method for Nonmetallic Materials
ISO 4892-3 Plastics - Laboratory Light Source Test Methods
ISO 4892-1 Plastics - Laboratory Light Source Test Methods, Part 1: General Guidelines
ISO 4892-4 Plastics - Laboratory light source test methods - Part 4: Open carbon arc lamp
JIS A1415 Test methods for accelerated exposure aging of plastic building materials
JIS D0205 Test methods for weather resistance of automotive parts
JIS L0842-2004 Test methods for lightfastness to staining under enclosed carbon arc lamp
JIS L0891-2007 Test Methods for Accelerated Weathering Colorfastness Using Xenon Arc Lamp or Sunlight-Type Carbon Arc Lamp
JIS K7102 Test Method for Colorfastness of Plastics to Carbon Arc Lamp Irradiation
JIS B7751 Sunlight Carbon Arc Lamp Type Light Resistance Tester and Weathering Tester (Enclosed Carbon Arc Lamp)
NES M0135 Weathering and Light Resistance Testing of Synthetic Resin Parts
NES M0141 Test Methods for Coated Synthetic Resins
Features
Light Source—Long-life ultraviolet carbon rod emitting UV light at 388nm wavelength, capable of continuous operation for 48 hours.
Control System—Equipped with a humidity generator and continuous airflow delivery for high-precision temperature and humidity control.
Automatic Air Control System—Regulates air circulation within the mixing chamber and environmental air.
SUGA U48 and U48AU models are available to meet diverse user requirements.
Parameters
| Item | Specifications |
|---|---|
| Light Source | Carbon Arc Lamp |
| Continuous Operation Time of Light Source | 48 hours |
| Discharge Voltage & Current | 135V±10V, 16A±2A |
| Temperature Range | 63°C±3°C |
| Humidity Range | 35% RH to 50% RH±5% RH |
| Humidity Control | Atomizer |
| Temperature Cycle | Air circulation regulated by air control valve |
| Test Samples | Maximum capacity: 108 piecesSample size: 65mm×55mm, 1mm thickness |
| Power Supply | Single-phase, 200V, 41A |
| Dimensions (L×W×H) | 104cm × 95cm × 205cm |
| Weight | 354kg |
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