UV Accelerated Weathering Tester accuracy will be affected by what factors?

UV Accelerated Weathering Tester test accuracy is affected by many external factors, such as the temperature inside the box, cyclone rate, environmental humidity, etc., so we usually in the test must pay attention to grasp these conditions.

Influencing factor one: dust and other surface air pollutants will be more serious, changing the digestive absorption characteristics of the illuminated surface layer of the object block. Unless otherwise required, the experiment should ensure that the test product cleanup, but in the identification of the efficacy of surface air pollutants, the relevant standards should require the test product metal surface treatment and other necessary content.

Influencing factor two: short-wave ultraviolet radiation source under the ozone caused by the general can be based on the effect of positive spectrometer kinetic energy all over the radiation source filter out of the environmental test chamber, because the ozone and other environmental pollution vapor will affect, some raw materials deterioration of the whole process, unless the relevant standards require otherwise, be sure to discharge this harmful substances out of the box on.

Influencing factor three: a variety of support frame thermal characteristics and installation methods, UV Accelerated Weathering Tester will have a serious impact on the temperature composition of the experimental specimen, for should also be sufficient to take into account, so that its heat transfer characteristics can mean the typical specific application conditions. Most of the test specimens are installed in the actual requirements of the thermal characteristics of a variety of rising support frame or pad bracket, the pad bracket and the installation method and placement of test specimens and other detailed provisions should be related to the requirements of the standard.

Influencing factor four: under different environmental humidity standards, the photochemical deterioration utility of various raw materials, architectural coatings, and plastics and other chemical substances are vastly different, and their provisions on environmental humidity standards are the same as each other, so the actual environmental humidity standards are explicitly stipulated by the relevant standards.

Influencing factor five: direct light link or stop light link, the temperature in the box should be required by the experimental procedure flow (A, B or C) to control, the relevant standards should be in accordance with the machine and equipment, or components of the reservation of the main use requirements in the direct light link need to exceed the temperature

Influencing factor six: near the surface of the test product cyclone rate size in addition to the impact of the test product to raise the temperature, and even also make the monitor radiation intensity of the open temperature difference power stack a significant deviation.

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