CA1000/CA2000 Current Clamp is a transducer which will allow your multimeter to measure electrical Current upto 1000/2000* amperes AC or DC, with a Frequency
response upto 400Hz.
CA 300 Current Clamp Head is a AC Current transformer with the function to transform AC Current into V AC. Plug it into any DMM meters with banana-shape input socket (V AC 3V or 30V Position)