DIN 19294-3 PDF
Devices for the disinfection of water using ultraviolet radiation – Part 3: Reference radiometers for devices equipped with UV low pressure lamps – Requirements and testing
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Devices for the disinfection of water using ultraviolet radiation – Part 3: Reference radiometers for devices equipped with UV low pressure lamps – Requirements and testing
Deutsches Institut Fur Normung E.V. (German National Standard) , 08/01/2020
DIN 19294-3 PDF
Devices for the disinfection of water using ultraviolet radiation – Part 3: Reference radiometers for devices equipped with UV low pressure lamps – Requirements and testing