Extech ex720 800a digital clamp multimeter dmm 4000 counts extech ex720 p the extech ex720 digital clamp multimeter measures up to 800a ac as well as ac dc voltage resistance capacitance frequency and temperature this true rms multimeter is robust with its moulded soft rubber body and one handed operation for comfort a peak function captures inrush currents and voltage transients supplied with test leads 9v battery belt holster and general purpose type k bead wire probe p p we a