... phase sequence,power 2.RS232 ETCR 4200A Double Clamp /Three Phase Digital Phase Meter Our buyers ... store/502192 Model:ETCR 4200AProduct Category:Tester-Double Clamp /Three Phase Digital Phase Meter Features:Simultaneously ... , phase, frequency, phase sequence, power, power factor. Clamp Size: 35×40mm, Phase: 0~360°, AC Current: ... 0.0mA~20.0A, AC Voltage: 0.00 V~600V, Active Power: 0.0W~12kW, with RS232 ...