... capacity 220Vac/5A or 30Vdc/5AMemory 8M byteskeep I, U, kWh, Power Factor per 15 min ... C ~ +70 °CHumidity: 5%~95%, non-condensingMeasuring feature: A—Basic function Income circuit monitoring: 1. Voltage-Ua, Ub, ... Uc; 2. Current--Ia, Ib, Ic, In, I unbal, Max. I 3. Active power– Pa, Pb, Pc, ∑P ... , 2. Demand and Max. record for I 3. THD for I B—High configuration function Income circuit monitoring: 1. ...