Mesure: three phase I,U,F,P,Q,S,PF,kWh, kVarh CE Rhos Mark LED display Size:120*120MM With RS485 interface for ... in kinds of control system, SCADA system and power management system.2.Technical Measure- Measurement: I,U,F,P,Q,S,PF,kWh ... , optoisolator; DO: NO-NC contact; 1A/30VDC,5A/250VAC (to control other equipments) - Pulse output (/P): 1 or 2 pulse outputs ...