EEVblog

EEVblog 1622 – Don’t Make This Multimeter MISTAKE


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This is the biggest mistake beginners often make when using a multimeter ohms function.

A customer returned an EEVblog BM235 multimeter because it was “Faulty”
Was it? Let’s find out what happens when you try and measuse a CAN bus with a multimeter.

Forum: https://www.eevblog.com/forum/blog/eevblog-1622-dont-make-this-multimeter-mistake/

00:00 – Don’t measure a CAN bus with a multimeter!

01:50 – Trying different multimeters
05:21 – Oscilloscope CAN bus measurement
06:30 – BEWARE measuring resistors in-circuit
08:16 – Power supply voltage example

...more
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EEVblogBy David L. Jones

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