ITM INSTRUMENTS Amprobe ACD-21SW swivel clamp meter allows easy viewing of the measurements in tight or inconvenient to reach places. Simply rotate the body of meter to get an unobstructed view of the LCD display. Reach set of features and CAT III 600V safety reading for use in electrical and HVAC applications. Unit provides180-degree rotating head and VoltTect non-contact voltage detection and slim jaw design with one hand operation. Unit measures ac current up to 400A ac, ac-dc voltage up to 600V, resistance and capacitance as well as temperature measurements.