Multifunctional Type Power Meter is used for energy management system, substation automation, distribution network automation, sub district power distribution, industrial automation, intelligent building, intelligent switchboard, switch cabinet, etc. The Meter has working temperature from -20 ° C to 70 ° C. The Meter integrates the digitization, intellectualization and networking together, to replace the traditional equipments such as electric quantity transducer, numeric display instrument, data acquisition unit and recorder analyzer, etc. The Meter has simple wire connection and requires power supply from 90 to 260 VAC/ DC. The Multifunctional Type Power Meter is available in ranges such as 100V, 200V, 400V, contact capacity of relay of 220 vac/ 5a, 30 VDC/ 5A and has power frequency withstand voltage of ac 2KV/ 1 minute.