When designed properly, installed correctly with safety instructions followed, is a safe and highly effective form of disinfection
As countries start to come out of lockdown there’s renewed focus on ensuring that workplaces, facilities, and all manner of public transport are safe to use. As organizations grapple with this new reality, a tried and tested disinfectant, in the form of ultraviolet (UV) lighting, is garnering huge interest.
Disinfection of surfaces is performed through direct exposure to the UV-C radiation from lamps, luminaires or disinfection carts that are activated when people are not present. They can be brought into a workplace or bus or train when people have left. An extra level of safety may be provided by remote on-off switches and sensors which can shutdown systems if people or animals are detected.
Signify also offers a range upper-room air disinfection systems thanks to its recent acquisition of the assets of Germicidal Lamps & Applications (GLA). Its ceiling-mounted units rely on natural or mechanical ventilation in the room. Contaminated air, at an upper level, passes through a ‘UV-zone’ where it’s disinfected. Such systems can be used in rooms with people present as the light source is shielded from those below and located at a height of at least 2.3m.
Signify cut its UV-C teeth in providing lamps for water disinfection. They are used all over the world in both water treatment plants and residential drinking water purification systems. Applications include disinfecting and purifying drinking water, wastewater, process water, swimming pools, and ponds. UV-C lamps are available in wattages from 4W up to 1000W depending on the application, which varies from large municipal installations in which several hundred lamps are used to small units that fit inside household sinks to disinfect drinking water. These domestic units are popular in India and China.