MSSet series BATTERY POWERED ELECTROMAGNETIC Flow Meters-MS-711 battery-powered Electromagnetic Flow Meters. It is ideal when power supply on filed not present, the battery powered MS-711 gives the flexibility to install a reliable Flow Meters, virtually anywhere, without distorting accuracy & performance. MS-711 is provided with 2 to 10 year of continuous battery operation depending on measurement frequency. The Flow Meters is extremely easy to use, simple to install & requires no regular maintenance.