The IWM-TX4 is a WMBUS radio module for the transmission of consumption data, applicable to the series of woltmann water meters mod. WDE-K50.

In addition to information on current consumption and a history of up to 12 previous months, it allows to detect different types of attempted fraud against the meter, prolonged operation at maximum flow rate (Q4) and the presence of a potential water leak downstream of the meter.

Compatible products


Wireless M-BUS receiver/configurator


Woltmann type pre-equipped for inductive remote reading modules


Wireless M-BUS receiver for Smartphones