offers multifunction meter F3MFM1 to 4 for simultaneous measurement of various Electrical Parameters of 3 Phase 3 Wire or 4 Wire electric power system. The Meters are widely used in application areas where accurate and reliable monitoring of Power Line parameters is essential.Wide range of Auxiliary Power Supply 45 to 300 V (Self Powered also available),Communication with PC, DCS, PLC through RS 232 or RS 485 Port.