Measure all the data of 3 phase CE MARK (EMC, LVD), RoHS Mark RS485 ... P1,P2,P3, ∑Q, Q1,Q2,Q3,∑S, S1,S2,S3,∑PF, PF1,PF2,PF3, MD kW,+kWh, +kvarh, -kWh, ... power)Insulation: input / housing and output / housing >100M- Work T: -10C ~ +45C;Storage T: -20C ~ +70C- Relative humidity: 5% ~ 95% (no ... 19200) - Alarm output(/J): LED alarms of error of phase sequence and of loosing voltage- Pulse output (/P): 2 ...