Ultraviolet-C (UV-C) light, spanning 200–280 nanometers (nm), is a powerful disinfectant used to neutralize bacteria, viruses, and pathogens. Unlike UV-A and UV-B, UV-C is almost entirely absorbed by Earth’s atmosphere, making artificial UV-C sources critical for sterilization in healthcare, water treatment, and air purification. However, monitoring UV-C intensity is essential—underdosing…
UV sterilizing lamp is actually a kind of low pressure mercury lamp. It activates low pressure (<10-2Pa) mercury vapor to emit UV light. The spectral lines are mainly of 253.7nm and 185nm, which are both invisible. Applications of UV sterilizing lamps 1. Surface Sterilization: Surface sterilization requires the surface to be…
Sunlight is a vital element for creatures living. People have found that sunshine is beneficial for health since ancient times. Middle eastern ethnicity found that the ultraviolet light helps to cure skin diseases. In modern times, people see sunbathing as a physical fitness activity. Understanding UV Light: Types and Effects…
