The Flow Sensor, 2000 l/h has a measuring range of flow max. 2000 l / h, nominal width DN 10, 2x G 1/2" male thread.
The Flow Sensor, 5000 l/h has a measuring range of flow max. 5000 l / h, nominal width DN 20, 2x G 1" male thread.
The Flow Sensor, 9000 l / h has a measuring range of flow max. 9000 l / h, nominal width DN 25, 2x G1 1/4" male thread.