... & 3P4W Power Measurement. True RMS Sensing. Power KW, KVAR, KVA, PF, θ ,Hz, & Energy KWh, KVARh & KVAh Measurement. Phase sequency indicator function ... ± 1dgtGeneral SpecificationsSize 235(L)x116(W)x54(H)mm (9.3"Lx4.6"Wx2.1"H)Operating Temperature and Humidity 0 ... -> 12V)6) 4pcs current clamp transducer (1, 2, 3, 4 cable length 3 meters) (1000A AC, jaw opening 40mm)7) 4pcs crocodiles ...