Chauvin Arnoux F604 [P01120964] 2000A AC / 3000A DC TRMS Clamp Meter. The Chauvin Arnoux F604 has been designed to guarantee IP54 ingress protection against dirt, dust, etc. It proposes the highest level specified by the IEC 61010 standard: 1000 V in CAT IV and thus 1500 V in CAT III. A shockproof belt protects the clamp casing against risks linked to falls and shocks. It is ideal for high-power applications such as electrical power distribution, chemical and petrochemical industries, metallurgy, rail transport, etc. Particularly accurate measurements whatever the signal's waveform thanks to the fast 12-bit TRMS digital acquisition system.