![]() DC coupling results in absolute voltages, while AC coupling first subtracts the mean value from the signal before being digitized. ![]() Coupling: This input terminal allows you to specify whether you want to have AC or DC coupling.For example, if you want to measure signals between 0V and 12V, setting the voltage range to 12V and the offset to 6V will result in the highest measurement resolution. This allows you to zoom in on a certain voltage range not centered around 0V. ![]()
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