The  Armada Pro95 Advanced AC Leakage Clamp Multimeter is perfect for 2-wire troubleshooting. The Pro95 makes it possible to diagnose cable and equipment faults in 2-wire systems without opening splices. The Pro95 measures AC line current with a resolution of 1 microampere simply by clamping over wires in a control cable. In addition, VAC, VDC, and ohms measurements are available. All utilize a built-in auto ranging function for easy use.