UV Light Accelerated Weathering Tester

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UV Light Accelerated Weathering Tester

The 4B TESTING EQUIPMENTS UV Accelerated Weathering Tester is equipped with a fluorescent UV lamp which can completely simulate the UV spectra of sunlight, exposes materials to alternating cycles of UV light and moisture at controlled, elevated temperature It stimulated dew and rain with consideration for humidity and / or water spray.
The UV Weather Resistance Test Chamber is the world’s most widely used weathering tester to test types of damages include colour gloss loss, chalking, cracking, crazing, hazing, blistering, strength loss and oxidation.

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Description

The UV Light Accelerated Weathering Tester is a high-performance laboratory testing instrument designed to evaluate the durability and weather resistance of materials by simulating long-term outdoor exposure. It reproduces the damaging effects of ultraviolet (UV) light, moisture, condensation, and temperature variations to accelerate the aging process of plastics, coatings, paints, rubber, textiles, and other materials. Equipped with advanced UV-A/UV-B lamps, a touchscreen controller, precise temperature regulation, and programmable test cycles, the tester delivers accurate, repeatable, and reliable results. It is widely used in quality control, research, and product development to ensure compliance with international testing standards.

Features

Temperature setting for accuracy and repeatability.
Maintains rapid resumption of UV Lights during continuous circulation.
Program profile for selecting test parameters and performing the test.
UV lamps to simulate short-wave ultraviolet part of sunlight.
Current test running status display.
HMI display of test time, chamber temperature, spray time, accumulated time.
Corrosion Resistant PT-100 sensor.
Fully automatic test after simple settings.
Preset timer functions incorporated for accuracy and repeatability.
Robust construction.
Solid State Relay Based Programmable Temperature Controller.
Maintains rapid resumption of water spray and humidity during condensation cycle.
Fully automatic test cycle after settings through Touch Screen with Friendly Operating Window.
Adjustable range for water supply.
Original UVA or UVB lamps ensure the comparability of testing results.
Alarm and protection: Creep-age protection, water-breaking protection, overloading protection, security door protection, and over-temperature protection switch.
Ease of use of sample placements inside the test chamber.

Specification

Display	HMI Based Touchscreen 7-inch TFT LCD Colour Screen
Light Source	UV-A (Wavelength 340 nm) or UV-B (Wavelength 313 nm)
Lamp Detail	40W × 8 pcs (Normal lamp life: 2,000 hours)
Irradiance Range	0.1 W/m² – 1.0 W/m² (UVB) or 0.1 W/m² – 0.8 W/m² (UVA)
Temperature Range	Black Panel Temperature (BPT): RT +10°C to 70°C
Temperature Stability	±2°C
Interior of Cabinet	Stainless Steel (SUS 304)
Exterior of Cabinet	Powder Coating
Insulating Area	5175 cm² / 828 in²
Sample Capacity	48 standard specimens (75 × 150 mm)
Dimensions (L × W × H)	1400 × 500 × 1200 mm
Weight	125 kg
Power Supply	220VAC ±10%, 50/60Hz, 15A, 3kW (Max. Electric Current)
Water Supply Control	0–4 LPM

FAQ

Frequently Asked Questions

1. What is a UV Light Accelerated Weathering Tester?

A UV Light Accelerated Weathering Tester is a laboratory instrument that simulates sunlight, moisture, and temperature to evaluate how materials perform after prolonged outdoor exposure.

2. What materials can be tested?

It is suitable for testing plastics, rubber, paints, coatings, inks, textiles, automotive components, adhesives, and other weather-sensitive materials.

3. What is the purpose of UV weathering testing?

The test helps predict material durability, identify color fading, cracking, chalking, loss of gloss, and other forms of environmental degradation.

4. What types of UV lamps are used?

Most testers use UV-A (340 nm) and UV-B (313 nm) lamps to simulate different wavelengths of natural sunlight.

5. Can the tester simulate moisture and condensation?

Yes. The chamber can simulate condensation and water spray cycles to reproduce real outdoor weather conditions.

6. Is the test cycle programmable?

Yes. Users can program UV exposure, temperature, humidity, spray, and condensation cycles through the touchscreen controller.