Measure all the data of 3 phase CE MARK (EMC, LVD), RoHS Mark RS485 ... ,∑S, S1,S2,S3,∑PF, PF1,PF2,PF3, MD kW,+kWh, +kvarh, -kWh, -kvarh- Network: 3P3W, 3P4W- Frequency: 45 ~ 65Hz- ... 19200) - Alarm output(/J): LED alarms of error of phase sequence and of loosing voltage- Pulse output (/P): 2 ... pulse outputs (open-collector), one for kWh, another for kvarh- Multirate kWh (/F) up to 4 rates and 8 ...