The ultraviolet weather resistance testing machine simulates the ultraviolet radiation and condensation in natural sunlight to carry out an accelerated weather resistance test on the material to obtain the results of the weather resistance of the material. Used for plastics, rubber materials, paints and coatings, glue, viscose, shell packaging, metal plating, building materials, LED packaging and other materials, after testing the relevant products and changes in climate conditions such as sunlight, humidity, temperature, condensation The degree of material aging. In a short period of time, it will form fading, discoloration, decrease in brightness, powdering, cracking, blurring, embrittlement, strength reduction and oxidation.
After the user purchases the ultraviolet weather resistance testing machine, when the ultraviolet lamp reaches a certain life, it needs to be replaced with a new lamp to ensure the effectiveness of the test, and the ultraviolet lamp has the characteristics of fragility and higher cost. How to correctly replace the lamp tube of the ultraviolet weather resistance testing machine, the user should have corresponding training and be familiar with the specific operation steps.
<1> Care must be taken when replacing UV lamps. The lamps are small, fragile, and costly. Open the cover of the test chamber and remove the sensor panel and other panels.
<2> Pull out the plugs on both sides of the lamp tube to prevent the operator from electric shock. Remove the lamp tube from the inside, and then install the new lamp tube in the same place and position as before, and make sure the lamp tube is installed correctly. After the installation is complete, the new UV lamp will emit flashing or spiral light, don't worry, this will not affect the spectral radiation of the lamp.
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