Fluke 373 TRMS 600A AC Clamp Meter (Mfg part no 3780249) offers improved performance, ideal for any AC-only situations where current needs to be measured. The Fluke 373 TRMS 600A AC Clamp Meter features True-RMS AC voltage and current measurements, and resistance measurement up to 6000Ω with continuity detection. The Fluke 373 is everything you need, and more. Safety Conformance EN/IEC 61010-1:2001; 600V CAT III, 300V CAT IV.