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Use a voltage divider and an standard high input impedance voltmeter connected to the low voltage output tap of the divider. Just check that:

a) the voltage divider has enough resistance to minimize loading of the voltage source (The voltage divider resistance should be as high as possible).

b) the voltmeter's input impedance is at least 10-20 times larger than the output resistance (impedance) of the divider. If necessary add a high-input impedance amplifier or a transducer between the divider output and the voltmeter.

What is high voltage for you?

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Q: How do design a high voltage voltmeter?
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Related questions

How is voltage measured?

Use a voltmeter with a high input impedance and measure at the source the voltage.


What does a voltmeter measure voltage in?

A voltmeter measures voltage in volts.


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By connecting a voltmeter across the secondary terminals of the voltage/potential transformer. The transformer acts to reduce the voltage applied to its primary winding, while electrically-isolating the primary (usually high-voltage) circuit from the voltmeter.


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A voltmeter has the large resistance.The voltage across any component can be measured if & only if the terminals of that component will be open and this will we can acheiv if we connect the high resistance voltmeter across the open terminals of that component to measure the voltage.


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A voltmeter must have a very high resistance to measure voltage. A voltmeter is placed in parallel with the element that you are measuring. If the voltmeter has a low internal resistance, then all of the current will flow through the voltmeter instead of the element. You want all of the current to flow through the element, to get an accurate reading of the voltage. Conversely, an ampmeter must have zero resistance, because it is placed in series with the element.


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