Fluke 324 TRMS 400A Commercial Clamp Meter's variety of measurements and optimized ergonomics make it the ideal general troubleshooting tool for commercial and residential environments. Fluke 324 TRMS 400A Commercial Clamp Meter is a digital clamp meter manufactured to verify the presence of load current, AC voltage and continuity of circuits, switches, fuses and contacts. The Fluke 324 measures for current up to 400A in tight cable compartments, measures temperature and capacitance, and is designed to be tougher and easier to use than older clamp meters. The Fluke 324 is durable, reliable and exact. It includes test leads, a soft carrying case, and a user's manual.