You can now measure AC currents up to 400 A contactless with your digital multimeter, without disconnecting wires.
simply attach the adapter of clamp on ammeter via the 4 mm of banana plug to a multimeter oscilloscope or the like.
The output of the clamp on ammeter adapter takes place in mV/A.
The device is very sturdy by the soft rubber protection and is additionally equipped with a contactless voltage tester