Why does my Multimeter not go to zero in DC volts mode?

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Why does my Multimeter not go to zero in DC/AC volts mode?

 

For a digital multimeter, it's normal that the voltage readings change while the probes are not hooked up to anything.

This is due to the high input impedence (generally 10-20 megaohms) of the devices. In this case the probe leads are acting as antennas. If the probes are shorted the reading should be 0.00 volts. If hooked up to a dc voltage source such as a battery, then the reading should be stable, or perhaps decreasing if a significant load is on it along with the probes.

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