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. Author manuscript; available in PMC: 2024 Oct 23.
Published in final edited form as: IEEE Trans Instrum Meas. 2012 Nov;62(6):10.1109/tim.2012.2225917. doi: 10.1109/tim.2012.2225917

Fig. 2.

Fig. 2.

Schematic overview of the low-ohmic measurement system used at METAS and NIST based on a (top right) commercial room-temperature current comparator bridge, together with a (gray area) range extender and (left) dc current source capable of driving maximally 100 A.