Amprobe ACD-23SW [3804941] 600V/400A True-rms Swivel™ Clamp Meter with Temperature and VolTect. The Amprobe ACD-23SW Swivel Clamp Meter features a patented 180-degree rotating head clamp design allowing easy views of measurements in tight or inconvenient to reach places. Simply rotate the body of the clamp meter to get an unobstructed view of the LCD display. The Amprobe ACD23SW has a great amount of features including, advanced VoltTect non-contact voltage detection, TRMS measurement, a slim jaw design with one hand operation, audible continuity, auto and manual ranging respectively for quick checks and precise measurements, data hold, auto power off, and diode test. The ACD-23SW Measures AC Current up to 400 ACA, AC/DC Voltage up to 600V, Resistance, Capacitance and Temperature. The meter is also CAT III 600V safety reading for use in electrical and HVAC applications.