Extech MA1500 1500A True RMS AC/DC Clamp Meter + NCVExtech MA1500 1500A True RMS AC DC Clamp Meter + NCV 1500A True RMS AC DC Clamp Meter + NCV Integrated Non Contact Voltage Detector To quickly check for the presence of live wires before testing plus True RMS and 400A and 1500A current ranges Key Features: True RMS for accurate readings of non sinusoidal waveforms Built in non contact Voltage detector with LED alert 2. 0" (52mm) jaw size for conductors up to 500MCM Dual 40,000 4000 count, backlit LCD