The Instek GCM407 Digital Clamp Meter, True RMS, 600A/750V Max Input features tapered jaws, a wide range (AC 600A/750V, DC 1000V max input), True RMS capability, and capacitance measurement. The non-contact voltage sensing function and the ability to keep MAX/MIN or hold data and automatically power down make the GCM-407 suitable for almost any cable measurement task.