And since he had no other scope available than this Rigol, he hooked up the various bits of the disassembled instrument so that it could (awkwardly) probe its ... slot in the RF shield the project ...
If you want to measure AC or DC current with an oscilloscope, a current clamp is ... but he did. This probe design is little more than a 3D printed case, an old power supply toroid, and a ...
This TechXchange includes articles that examine seletion issues as well as lists of vendors and distributors to consider.