Signstek MESR-100 V2 Auto Ranging in Circuit ESR LCR meter Capacitor/Low Ohm Meter Up to 0.01 to 100R, Support in Circuit Testing Using true 100 KHz sine wave to measure the ESR value, which is equal to the testing method of capacitor manufacturer. Dual terminal, for fast and easy inspect general capacitor or resistor, a printed ESR table for fast check. Measuring range from 0.001 to 100.0R, support IN CIRCUIT Testing. Auto-ranging capacitor ESR and Low Ohm Meter. Wide Measurement Range