F-42 Current Probe

The F-42 has a usable frequency range of 1 kHz to 100 MHz. Its transfer impedance is typically 6W (± 2 dB) from 3 MHz to 80 MHz. It operates without saturation for currents from 350 amperes of DC to 400 Hz, 100 amperes of pulse current and 50 amperes of CW.