Like many hackers, [Matthias Wandel] has a penchant for measuring the world around him, and quantifying the goings-on in his home is a bit of a hobby. And so when it came time to sense the current … ...

Thanks to additional test lead sockets, we can e.g. test the circuit continuity or perform a diode test. The measurement of current with a clamp meter is very simple. The meter probe must be clamped ...