... Factor per 15 min. for one monthEnvironment Operation: -10°C ~ +55 °CStorage : -25°C ~ +70 °CHumidity: 5%~95%, non-condensingMeasuring feature: A ... circuit monitoring: 1. I, Max. I, P, Q, PF, kWh, kvarh, 2. Demand and Max. record for I 3. THD for I B—High configuration ... circuit monitoring: 1. I, Max. I, P, Q, PF, kWh, kvarh, 2. Demand and Max. record for I 3. THD for I 4. Input status ...