Fluke flk cnx i3000 wireless current clamp meter 2500a ac fluke fluke flk cnx i3000 the fluke i3000 current meter is a true rms meter that wirelessly relays measurements to a cnx 3000 multimeter up to 20 meters away it is supplied with the iflex reg i2500 current probe which allows you to measure awkwardly sized conductors and makes wire access easier you ll save time collecting multiple measurements with less walking to and fro use as a stand alone measurement tool with multiple modules