Current probes are used in EMC Testing for RF current measurements, there are two types of RF current measurements made with these current probes which are simply clamped on to the cables under test, that

Immunity Current Probes
Immunity Current Probes >>
Com-Power's Current Injection Probes are used for RF conducted immunity testing per IEC 61000-4-6, CISPR 16-1-2, RTCA DO-160 and MIL-STD 461. Current injection Probes are to be
Emissions Current Probes
Emissions Current Probes >>
Com-Power's Current Emissions Probes are used for measuring conducted noise for compliance to standards such as MIL-STD-461, DO-160, CISPR, etc. This current probe is recommended for measurements in the frequency range of 10 kHz to 400 MHz.