If the photograph is clicked, it grows.

Tektronix AM503B Current Probe Amplifier
JPY60,000 2 stock
osc2294

AM503B:
100MHz Current Amplifier
DC-100MHz 20A Max50A 300Vrms
Range 1mA-5A/div acc3% Noise<250uArms Impedance:0.06ohms Cable2m Delay30ns
MeasureD:3.8mm

Need Probe and Frame TM500/TM5000 etc