Ruby Electronics DT-338 80A / 1mA Clamp-on AC/DC Current Voltage Capacitance Frequency Resistance Temperature Meter True RMS NEW!! Small jaw size, 0.75" High resolution in current measurement up to 1mA True RMS AC clamp-on multimeter ; Type K temperature function included AC / DC current measurement up to 80 A through clamp Designed to safety standard IEC 61010-2: CAT III 600V and pollution degree 2