Economic UV aging test chamber

UVA340 UV Aging Test Chamber Diagonal Tower UV EquipmentPrecautions for operation:
1. Non fixed operation and trained personnel of the UV lamp weather resistance testing machine are requested to operate it quickly and freely.
2. Power supply equipment: An overload fuse device should be installed in the power supply line for this test box, and it should have a good grounding device.
3. Preparation of test samples to be tested: After numbering the test samples one by one, place them on the sample rack, and ensure that the products do not come into contact or collide with each other.
4. Wait until everything is ready, then turn on the power after closing the box door, in order to prevent excessive ultraviolet radiation from entering the body and causing skin cancer.
5. The weather resistance test chamber should be placed in a well ventilated indoor horizontal position, and flammable, explosive, and corrosive materials should not be placed around it.
6. A switch with an iron shell should be installed in the power supply line, specifically for the UV lamp weather resistance test box. Before the shell is grounded and powered on, please check the electrical performance of the box and pay attention to whether there is any open circuit or leakage. The test box does not have explosion-proof devices and should not be dried with flammable and explosive materials.
7. The items inside the box should not be placed too tightly or overlapping, and there must be a gap to facilitate the circulation of hot air and avoid test errors caused by obstruction.

UVA340 UV Aging Test Chamber Diagonal Tower UV EquipmentGeneral standards:
ISO 4892-1 Plastics - Methods of exposure to laboratory light sources - Part 1: Overview
ASTM G-151 Standard Test Method for Exposure of Non Metallic Materials to Accelerated Testing Equipment Using Laboratory Light Sources
ASTM G-154 Standard Test Method for Non Metallic Materials Exposed to Ultraviolet Light in Fluorescent Devices
British Standard BS 2782: Part 5, Method 540B (Exposure to Laboratory Light Sources)
SAE J2020 Accelerated Exposure Testing of Automotive Exterior Components Using Fluorescent UV/Condensation Equipment
JIS D 0205 Aging Test Method for Automotive Parts (Japan)

UVA340 UV aging test chamber UV equipment in humid condensing environment
In many outdoor environments, materials can be kept moist for up to 12 hours per day. Research has shown that the main factor causing outdoor humidity is dew, not rainwater. UV simulates outdoor moisture erosion through the condensation function of *. In the condensation cycle during the experiment, the water in the reservoir at the bottom of the testing chamber is heated to generate hot steam, which fills the entire testing chamber. The hot steam maintains the relative humidity inside the testing chamber and maintains a relatively high temperature. The sample is fixed on the side wall of the testing chamber, so that the testing surface of the sample is exposed to the ambient air inside the testing chamber. The outward side of the sample exposed to the natural environment has a cooling effect, resulting in a temperature difference between the inner and outer surfaces of the sample. The occurrence of this temperature difference causes the sample to always have liquid water generated by condensation on its testing surface throughout the entire condensation cycle.
Due to outdoor exposure to moisture for up to ten hours a day, a typical condensation cycle typically lasts for several hours. UV provides two methods for simulating humidity. The most commonly used method is condensation, which simulates outdoor moisture erosion. All QUV models are capable of running condensation cycles. Because some application conditions also require the use of water spray to achieve practical results, some UV models can operate both condensation cycle and water spray cycle.