Klein Tools CL210 Digital Clamp Meter 400A AC Current Auto Ranging is designed to measure AC/DC voltage up to 600V, AC Current up to 400A, and resistance up to 20MO. The Klein Tools CL210 features audible continuity, a clear backlit display, temperature measurements via thermocouple probe, auto-ranging, data hold, automatic shut-off, and more. The Klein Tools CL210 is a good choice for a tough and reliable digital clamp meter.