.

Carbon Arc Aging Chamber

The Carbon Arc Aging Chamber employs alternating current to ignite carbon rods, generating an arc light source. After passing through a filter, this light possesses higher irradiance than sunlight, thereby accelerating sample aging when directed onto surfaces. Equipped with a spray system, it simulates not only sunlight exposure but also rainfall conditions, enabling effective accelerated testing of samples' weather resistance.

Standards

JIS B7753 Sunlight Carbon Arc Lamp Test for Lightfastness and Weather Resistance

ISO 4892-4 Plastics - Laboratory light exposure methods - Part 4: Open carbon arc lamp

JIS A1415 Laboratory light exposure methods for polymeric building materials

ASTM G23 Operating procedures for carbon arc exposure apparatus with and without water for nonmetallic materials

Features

Accelerated Weathering:Rapidly simulates sunlight, artificial light, and rainfall, providing faster results than natural aging.

High-Intensity Carbon Arc:Uses 4 pairs of carbon electrodes (2 upper, 2 lower) to generate stable, high-intensity light similar to solar spectrum.

Filtered Spectrum:Light passes through high-quality filters to reproduce sunlight-like wavelengths, ensuring consistent irradiation on test surfaces.

Precision Electrode Control:Automatic vertical movement of carbon electrodes maintains stable voltage and current within strict tolerances.

Moisture Simulation:Programmable spray system replicates rainfall exposure during testing.

Large Sample Capacity:Accommodates up to 76 test specimens simultaneously.

Parameters

ItemSpecifications
Control Mode Automatic
Carbon Arc Lamp Continuous Lighting Time 78 hours
Carbon Arc Lamp Discharge Voltage 50V±2V
Carbon Arc Lamp Discharge Current 60A±2A
Carbon Arc Lamp Radiation Irradiance 255 W/m²
Black Panel Temperature 63°C±3°C or 83°C±3°C
Spray Pressure 0.08–0.13 MPa; Water flow: 2100ml±100ml/min; Water temperature: 16°C±5°C
Working Chamber Humidity 50% RH±5% RH
Sample Size 150mm×70mm; Maximum sample capacity: 76 pieces
Sample Rotation Frame Speed 1 RPM
Sample Rotation Frame Diameter 960mm±6mm
Distance Between Arc Center and Sample Surface 480mm±3mm
Power Supply 380V 50Hz
Weight 375 kg
Overall Dimensions (L×W×H) 165cm×150cm×220cm

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