Measuring AC waveforms

Measuring AC waveforms

Postby Heisenberg » Thu Nov 28, 2019 2:24 pm

Hi, I would like to check the AC waveforms coming from my outlet and my UPS, would that be possible using a DSO Shell with an attenuator, such as this one?
I know I would also need to connect the probe's ground to earth ground (not neutral) to avoid any disasters...

Anything else I should be aware of? I am a relative newcomer to digital oscilloscopes so any advice would be appreciated. Thanks!
Heisenberg
 
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Joined: Wed Nov 27, 2019 12:31 pm

Re: Measuring AC waveforms

Postby RayPooley » Sat Feb 01, 2020 12:32 pm

I know. It's been a long time since you posted this. I just joined as a new DSO150 user.

As to your question. I did a few things with my unit after assembly and one of the was to test the AC waveform output from a 240V / 9V step down transformer. All I did was set the DSO to AC and connect the probes to the transformer 9VAC output and the waveform appears fine. That's it. Obviously I wouldn't try that with the 240 VAC supply because the limit is 50 VAC or VDC as I understand. I also produced half and full AC/DC rectification waveforms using diodes and they displayed fine including the tabulated values.
RayPooley
 
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