Wireless TRMS Clamp Meter W/ 3-Phase Rotation Tests Breadcrumb Home / Products / Parts / Tools and Instruments / Testing Instruments / Clamp-On Meters Loading... Customer Part Number: DL599 AC Volts: 1000 DC Volts: 1000 Amps: 1000 Phase Rotation: Yes TRMS: Yes Voltage/Current Unbalance: Yes