You may be interested in this earlier 2016 paper by the same authors: http://doc.utwente.nl/102016/1/Runaway_energy_Meters.pdf http://doc.utwente.nl/102016/1/R

You may be interested in this earlier 2016 paper by the same authors: http://doc.utwente.nl/102016/1/Runaway_energy_Meters.pdf http://doc.utwente.nl/102016/1/Runaway_energy_Meters.pdf In this paper, it seems they were using an electromechanical meter (i.e. the analog style that predated digital) for reference because that's what consumers were using. This is measuring energy, obviously, not current.