How do you check a coin cell (button cell) battery to see if it still has charge left? Just measuring with a multimeter might deliver false results. We look at three methods and then determine actual voltage level for a pass/fail result.
Equipment used:
Fluke 77 multimeter
Atten ADS1102 100MHz Digital Oscilloscope
Resistance box
Breadboard with various passive components
CR2032 datasheet
data.energizer.com/PDFs/cr2032...
Shot on a Canon 70D and edited in Sony Vegas
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