A full review of the AIM/TTi I-Prober 520 Positional Current Probe.
Some theory on how fluxgate magnetometers work.
Measuring the absolute value of Earth’s magnetic field
And a practical example of ground plane current tracing.
Easy repair and teardown of the rather obscure Tektronix DMM916 Multimeter. Ebay auction: https://www.ebay.com.au/itm/225848873343 Forum: …