Detection method of ultraviolet sterilizer

2023/03/25

Detection methods of ultraviolet sterilizers Ultraviolet germicidal lamps are more and more widely used due to their advantages of large illuminance, long life, and slow light decay. From medical and health disinfection to current household appliances, such as disinfection cabinets, refrigerators, and air conditioners , microwave ovens and other applications, in order to test the quality of quartz ultraviolet germicidal lamps and ensure the disinfection effect, especially the detection of ultraviolet light intensity is more important, and some units have incorrect detection methods or detection conditions, and detection equipment does not meet the requirements, resulting in inconsistent detection data. Correct, the following detection methods are provided: (1) Detection conditions: A. Voltage 220V±1%, B. Temperature 25±5 degrees, C. Distance 1 meter from vertical. (2) Requirements for testing equipment: A. The ultraviolet tester should be within the valid approval period, B. Suitable ballasts. (3) Test method: A. Install the lamp tube on the lamp stand; B. Place an ultraviolet photosensitive probe one meter away from the lamp tube vertically; C. Turn on the lamp tube and ignite it for 5 minutes; D. Turn on the tester switch to measure the ultraviolet intensity ; E. The ultraviolet intensity of the new 30W lamp tube should be greater than 107 uw/cm2, and the old lamp tube should be replaced if it is lower than 70uw/cm2.

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