This product has been discontinued. Take a look at MA445 - 400A True RMS AC/DC Clamp Meter with NCV
Extech 38389

38389: 600A True RMS AC/DC Clamp Meter

Autoranging with Capacitance and Temperature functions

The 38389 clamp-on meter measures AC and DC current up to 600A with 0.1A resolution. The 1.25 in. (33mm) jaw accommodates conductors up to 350MCM. The meter's Peak Hold function can be activated to capture and store the highest reading. Multimeter functions include AC/DC voltage to 600V, resistance to 40MOhm and capacitance to 100mF. This meter also measures temperature from -4 to 1400°F (-20 to 760°C). Comes complete with test leads, belt holster, 9V battery and Type K temperature probe.