True RMS clamp meter measuring AC/DC current up to 500A plus AC/DC voltage, resistance, frequency, capacitance, duty cycle and an extended -100 to 1000C temperature range, shown on a 50,000-count backlit display. It carries a CAT III 600V safety rating and includes test leads, a thermocouple probe and adapter; this NIST-certified unit adds a traceable calibration certificate to the standard kit.