Introduction to the Detection of Ultraviolet Lamp Exposure Intensity by Ultraviolet Irradiance Meter
The intensity of ultraviolet radiation is an important factor in ensuring disinfection effectiveness. As the cumulative usage time of the lamp tube increases, the irradiation intensity will gradually decrease. When it decays to a certain extent, it also affects the disinfection effect. Therefore, monitoring the intensity of ultraviolet lamp tubes is a method to understand the disinfection effect.
At present, in the domestic medical and health field, it is not recommended to use high boron sterilization lamps, and ultraviolet sterilization lamps manufactured abroad generally use quartz glass with higher production costs. At the same time, we can also observe that no matter which type of UV sterilization lamp is used for a period of time, it will gradually age, the intensity of UV radiation will decrease, and the disinfection effect cannot be guaranteed. This is why it is necessary to record the usage time of the quartz lamp and replace it in a timely manner.
So how do we achieve timely replacement of UV lamps?
Replacing ultraviolet lamps requires regular use of a specialized instrument for measuring ultraviolet radiation - an ultraviolet illuminometer - to check the direct light intensity of quartz lamps. During the detection process, the detector of the ultraviolet lamp placed horizontally on the outer line illuminometer should be placed at a vertical distance of one meter below the center of the lamp tube. The UV disinfection lamp needs to be turned on for a period of time until the lamp source stabilizes-- Online UV illuminometer, 365nm UV illuminometer
The ultraviolet radiation meter generally consists of two parts: a measurement display and a detector (i.e. a probe), which is convenient for the detector to be fixed during the measurement process. Nowadays, the detector probe is generally equipped with a small strong magnet. As long as the magnet absorbs metal objects in the corresponding area, the detector is fixed, and stray light is shielded. If the strength is found, it should be replaced immediately. In addition, lights and reflectors can ensure the concentration of ultraviolet energy while preventing harm to workers. The reflector should use 253.7nm ultraviolet light with less absorption and more material reflection. The surface oxidized and polished aluminum has the highest reflection coefficient of shortwave ultraviolet light, so the reflection system of ultraviolet lamps is generally made of aluminum.
The MAVOPROBE LUX/UVA ultraviolet irradiance meter uses a UVA probe for non-destructive testing of ultraviolet light measurement technology. The MAVOPROBE LUX/UVA MAVOPROBE LUX/UVA ultraviolet irradiance meter meets the requirements of DIN 5032-7, DIN 3013032-1 Appendix B, and ISO/CIE 19476 standards, classified as Class B illuminance. The measurement of UV-A illuminance meets the requirements of DIN EN ISO 3059 and ASTM E2297 for fluorescence penetration and magnetic particle testing measurement instruments.
