UV light meter standards

Ultraviolet disinfection lamps have been widely used in my country since SARS in 2002, and ultraviolet disinfection equipment also played an important role in this year's H7N9 epidemic. In our daily life, it is necessary to use ultraviolet light to sterilize. In the process of ultraviolet sterilization and disinfection, it is necessary to ensure the intensity of ultraviolet radiation. The instrument for detecting the intensity of ultraviolet radiation is called an ultraviolet illuminance meter. Ultraviolet disinfection is something that we often come into contact with in our daily lives. The most common hospitals use ultraviolet lamps to irradiate and kill viruses. They are also commonly used for food safety disinfection and water treatment. The use of ultraviolet light for disinfection will use an ultraviolet irradiometer, which is used to detect the radiation intensity of ultraviolet disinfection to ensure that the standard sterilization effect is achieved.
Regarding UV light meter calibration and UV light meter verification procedures, China's UV irradiance working standards are mainly composed of spectroradiometers, standard UV light meters, various UV light sources, etc., which are used to store and reproduce UV irradiance measurement values . However, because the above-mentioned standards were established in 1989, they can no longer fully meet the traceability requirements of the modern market for UV irradiometers. With the gradual increase in the introduction of such ultraviolet illuminance meters from abroad, the coexistence of multi-national standards has emerged in the calibration of ultraviolet irradiance meters, which has caused confusion for the majority of users of ultraviolet illuminance meters.