DCA Digital Clamp Multimeter. Models3150 Jaw Opening Cable diameter 43 mm (max) and busbar 16 mm x 65 mm AC Current 40, 400, 1000A AC Voltage 4, 40, 400, 750V DC Voltage 4, 40, 400, 1000V Resistance 400Ω, 4KΩ, 40KΩ, 400KΩ, 4MΩ, 40 MΩ Frequency 10.00 Hz, 50.00 Hz, 500.0 HZ, 5.000 KHz, 50.00KHz, 500.0 KHz (Auto) Special Functions Data Hold, Continuity, Diode Test