1. measure and record 3 phase parameter ... value of 3 phase voltage , ampere , active power , reactive power , power factor , Kwh , KvarH ect. It also can ... , reactive power ,active power , apparent power , power factor , frequency , Kwh , KvarH ect3. Total active power value and total reactive power value accumulation ... 3A or 30V DC/5A. 5. Analog output : 1 loop analog 4-20mA DC output.6. Switch input ...