... Data Hold. Multi- phase Power Meter. CE certification RS232 Interface Digital Clamp Power Multimeter :♦ Complies with IEC/ ... measurement mode respectively♦ Autorange and TRMS display♦ With PC RS232 interface and windows graphics software♦ Display measurement time and ... ♦ Standard Accessories: Test Leads,Connect test clamp,RS232C interface cable, PC Data Record graph software, Battery, Users manual,Carry ...