Amprobe ACDC-100 [2740465] TRMS 1000 A AC/DC Clamp Meter. The Amprobe ACDC-100 TRMS 1000A AC/DC clamp-on multimeter measures AC/DC current to 1000 A, AC/DC voltage to 600 volts, resistance to 40 MΩ and capacitance up to 3000 µF. True RMS measurement capabilities deliver accurate readings in noisy environments. The Amprobe ACDC-100 TRMS clamp-on multimeter also measures resistance, has a continuity beeper, relative zero mode, auto power off and data hold functions. Amprobe ACDC-100 TRMS 1000 A AC/DC clamp-on multimeters have a 3-3/4 digit, 4000 count LCD display. The Amprobe ACDC-100 TRMS multimeter accommodates conductors up to 500 mm (2") in diameter and is equipped with a convenient test probe holder. The multimeter is housed in a rubber over-molded case with built-in probe storage.