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UVC Germicidal Action
Operating Principle
UV light with a wavelength of 254 nm, known as UV Germicidal Irradiation (UVGI), has been shown to be highly effective in killing microbes. When exposed to high-intensity UVC light, the DNA of microbial cells breaks down, inhibiting their ability to reproduce and ultimately leading to their destruction.
The speed and effectiveness of germ elimination depend on the dosage of UVC light to which the microorganisms are exposed. Both the duration and intensity of exposure play a role in enhancing the performance of UVGI systems.
Time: The longer the exposure time (i.e., the contact time between the microbe and the UV source), the more UV energy is delivered to the micorbe, resulting in a higher kill rate.
Intensity: The greater the intensity (i.e., the strength of the UV source), the more UV energy can be delivered to the organism to be eliminated, resulting in a higher kill rate.
To ensure proper air purification and sanitization of cooling coils, it is essential that sizing calculations scientifically performed and the UVGI systems are well designed and manufactured with features that result in better performance and secure & reliable operation.