... P,Q,S,PF,kWh, kVarh CE Rhos/ISO9001 Mark OEM or buyer labled is ok RS485 MUDBUS comminacation 1. ... it is connected with the control equipment in measuring and controlling system.They are a kind of programmable analyzer. With the ... are widely being used in kinds of control system, SCADA system and power management system.2. Technical parameters Technical parametersValueInputNetworkSingle-phase network; ...