Chauvin Arnoux PAC Series Series PAC 27 Current Probe, Current Type, 100MHz, BNC Connector

The Current Probe is a current clamp which can measure direct currents up to 1400 A, alternating current up to 1000 A effective or mixed current, without opening the circuit in which they circulate. It restore the shape and amplitude of the current measured in the form of a voltage. This current probe used with an oscilloscope and powered by battery or by 5Vdc via the optional micro USB connector.

Over caliber warning light
Power indicator light
Zero adjustment push button,
Automatic standby to save the battery