RK9800N Series Intelligent Electric Quantity Measuring Instrument(Digital Power Meter), Maaaring Sukatin Ang Boltahe, Kasalukuyan, Power, Power Factor, Dalas, Electric Energy At Iba Pang Parameter.RK9940N:0~600V 0~8A 7~40A 24kW RK9980N: 0~600V 0~16A 15~80A 48kW RK9813N: 0~600v 0~0.1A 0.08~20A 3.5