... . 2. 96*96MM 3. Programable and intelligent meter. Name: Three-Phase AC Active Power, Reactive power and ... 60Hz, accuracy 0.2Electric energyActive and reactive electric energy measuring, accuracy class 0.5Power supplyWorking rangeAC,DC ... 5VAOutputDigital valueRS-485 Interface ,MODBUS-RTU protocolPulse output2 electric energy pulse output, light coupler relayOperation conditionAmbient temperature: - ...