Turbine for water meter DWZ 30 to connect to digital water meter DWZ 30 l/min for measuring water drain volume according to German guideline DVGW W 400-2 (status 2004) flow meter, brass with quick coupling and 2 m connection cable with plug connector resolution 0,001 l range 2 to 30 l/min accuracy: 3% An additional adapter is required for connection to the test head HANS.