Which would not result in an instant 0% -> 100% reading. One would expect a gradual slope from 0% to, say, 30%, then a sharp increase to 100% some tens or hundr

Which would not result in an instant 0% -> 100% reading. One would expect a gradual slope from 0% to, say, 30%, then a sharp increase to 100% some tens or hundreds of milliseconds later.