The ML 255 FLOWIZ™ converter allows the powering of any Isomag sensor plus one or two optional pressure sensors through internal lithium batteries. It can also be powered by a mains power supply (optional). Batteries, in this case, work as a back up. The system has a measuring performance meeting the requirements of the CEN EN 14154, ISO 4064 and OIML R49. It can wirelessly transmit through GPRS all flow and pressure data and is equipped with a four band internal modem. This converter has an internal data logger able to store flow and pressure data up to 16 Gbytes.