Simple Multimeter Calibration with a Voltage Reference

Using a voltage reference and a simple technique you can calibrate your multimeters to provide better accuracy. This level of accuracy is far from what a real Calibration Lab would provide, but for some it is enough.

AITRIP Adjustable Voltage Reference
https://www.amazon.com/dp/B0B2CRBT54?...

Voltage Reference Module
https://www.amazon.com/dp/B08P44ZG8J?...

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