S clearly has a maximum with respect to RH. If we find dS/dRH and set it equal to zero, the peak in the sensitivity is seen to occur when RH = RX. That is, the center of the series ohmmeter’s scale is the most sensitive (and most accurate) part.
S clearly has a maximum with respect to RH. If we find dS/dRH and set it equal to zero, thepeak in the sensitivity is seen to occur when RH = RX. That is, the center of the series ohmmeter’sscale is the most sensitive (and most accurate) part.