THREE PHASE MULTI-RATE WATT-HOUR METERS SINGLE-PHASE COMPOUND-RATE ELECTRIC ENERGY METER SINGLE PHASE MULTI-USER WATT-HOUR METERS THREE PHASE ACTIVE ELECTRIC POWER WATTHOUR METERS MULTI-PATH IMPULSE COLLECTOR ELECTRONIC IC CARD SINGLE-PHASE FEE-PREPAYING ELECTRIC ENERG ELECTRONIC SINGLE-PHASE ELECTRIC POWER CARRIER ELECTRIC ENER ELECTRONIC IC CARD THREE PHASE FEE-PREPAYING ELECTRIC ENERGY ELECTRONIC TYPE THREE-PHASE MULTI-FUNCTION ELECTRIC ENERGY M ELECTRONIC THREE PHASE MULTI-FUNCTION FEE-PREPAYING ELECTRIC ETHERNET-BASED INTELLIGENT RESIDENTIAL AREA NETWORK METERING ELECTRIC ENERGY AUTOMATIC METERING SYSTEM CATV NETWORK BASED MONITORING AND CENTER METERING SYSTEM WIRELESS NETWORK BASED CENTER METERING SYSTEM GSM SMS BASED TELEMETERING SYSTEM SINGLE PHASE WATTHOUR METERS SINGLE PHASE PILFERAGE-PREVENTING WATTHOUR METERS SINGLE PHASE REACTIVE WATT-HOUR METERS