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What is NPLC and why is it important?

问题:

What is NPLC and why is it important?

答案:

NPLC is number of power line cycles.  DC Voltage, DC Current, and Resistance measurement resolution, accuracy is reduced by power line induced AC noise.  Using NPLC of 1 or greater increases AC noise integration time, and increases measurement resolution and accuracy, however the trade-off is slower measurement rates.  For highest measurement accuracy NPLC of 100 is recommended.


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