Where do you find milli or even micro volts. A battery from 1.5 volt AA to a car battery, 12.6 volts (with engine off) can be measured by anything, even your tongue. The volts out your wall are about 120 volts 60 Hz (usa). Last edited by gmcjetpilot on May 6:59 pm, edited 2 times in total. Tube: AM/FM Zeniths, RCA, TrueTone table tops Transistor: Kaito KA1103, TenTec RX320D, Pioneer SX780 DC millivolts is easier to measure than millivolts AC or RF. To sum it up measuring millivolts is more of a challenge. So often you will see RF millivolt or AC meter in one title. This is where oscilloscopes or RF millivolt meters come in. To measure RF, high speed wave forms adds more challenge that a basic volt meter can't handle. Most of the time micro volts is associated with RF. ![]() Measuring small resistance and volts accurately has always been a challenge. If you are trying to measure 0.010 volts and a DMM only can measure +/- 0.010 volt you are out of luck. If you measure 1000 volts, one volt off is still accurate. The smaller the volts, the tighter the tolerance is needed. Most digital volt meters or DMM's can measure micro volts, just not that accurately due to tolerances.
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