Test Instruments & Measuring DevicesOHM METERSNOTE: As the resistance was increased from 0 to 5W, meter current decreased by 42 µA.Similarly, when resistance was increased from 5 to 10W, the current decreased by33 µA. Thus, an ammeter scale used to measure resistance is nonlinear (Figure10). The ohm meter scale is a reversal of the ammeter and voltmeter scales. Inother words, the zero resistance (R_{x} = 0) is at the right end of the scale andinfinite resistance (R_{x} = 1 MW) is at the left end of the scale.Figure 10 Ohm Meter ScaleSummaryOhm meters are summarized below.Ohm Meter SummaryMeasures circuit resistanceConnected to a component removed from the circuitRev. 0 Page 19 ES-14