MFJ-853, CLAMP-ON, MINI RF CURRENT METER
Calibrated clamp-on RF current meter accurately measures RF current in antenna elements, ground wires, coax shield. Slips over mobile whip to tune for maximum current/radiation. 3, 1, 3 Amp ranges. Non-metallic case minimizes field disturbance for accurate reading. 2¼W x 3¾H x 1D inches.