German technical and scientific association for gas and water (dvgw) - Import export

The German Technical and Scientific Association for Gas and Water (DVGW) and the Austrian standardization committee have defined the requirements for UV water disinfection systems with UV low-pressure lamps in DIN 19294-1:2020-08. This also specifies the design, function and opening angle of DVGW reference radiometers. The previous technical rule W294-3 and ÖNORM 5873 continue to apply to devices for drinking water disinfection with medium-pressure lamps. The sensors are inserted into a pressurized water-tight measuring window tube, which enables simple and reproducible replacement of the sensors. With an aperture angle of 160°, our sensors are suitable for precise radiometric measurement of UVC irradiance in UV water disinfection systems. We offer these with reference radiometer RMD. The RMD as DVGW reference radiometeris one of the latest developments from Opsytec Dr. Gröbel GmbH.