Autoranging DMM with NCV detector and Temperature function. The Extech EX330-NIST is a compact autoranging multimeter which features extra large 4000 count display and a built-in non-contact AC voltage detector. Advanced function include Frequency, Duty Cycle, Capacitance and Temperature, Diode test and continuity. Rubber holster protects meter. UL listed Cat III - 600V. With NIST Calibration.