The Turbo-Lux® orifice flow meter with VdS approval for flow measurement in stationary sprinkler systems. Together with the practical case for the bypass flow meter, the Turbo-Lux®-series products are the devices of choice for inspection firms. The required approval from VdS Schadenverhütung GmbH has been secured. Since 1977, companies have relied on the VdS-certified technology of the Turbo-Lux® series.