linux compatible usb oscilloscope

[Mark Whittington]

I hope you have whichever server you're doing logging with on its own UPS.

On Wed, Apr 18, 2018 at 6:27 PM, Phil via Tacos <tacos at amrad.org> wrote:

> Bear in mind that whatever you use to monitor the power supply, the
> utility company will blame it for the outage.
>
> Phil M1GWZ
>
>
>
> > On 18 Apr 2018, at 20:57, Rob Seastrom <rs at seastrom.com> wrote:
> >
> >
> > Pretty sure that the Kill-A-Watts that I've played with have an update
> cycle of a couple hz or slower.  :(
> >
> > I'm looking for short brownout or glitch logging.  Detection is not
> hard; the servers seem to do an adequate job of it.
> >
> > Once detected I can look at the logs and slurp the relative file into my
> favorite visualization software and create some pictures.
> >
> > -r
> >
> >> On Apr 18, 2018, at 3:52 PM, Jacek Radzikowski <
> jacek.radzikowski at gmail.com> wrote:
> >>
> >> Quite an old project, very hackish, but could be easily adapted to do
> what you need: https://learn.adafruit.com/tweet-a-watt/overview-1
> >>
> >> Jacek
> >> kw4ep
> >>
> >>
> >> On Wed, Apr 18, 2018 at 1:30 PM, Rob Seastrom <rs at seastrom.com> wrote:
> >>
> >> Hi gang,
> >>
> >> After 18 continuous years of no problems I just suffered my second
> power event in 72 hours at Equinix.
> >>
> >> I'm looking to borrow (or for recommendations for purchase if it's
> cheap) a USB oscilloscope which I propose to plug directly into the 120v AC
> feed to the rack, and have write a time series of log files so I can
> reconstruct the actual waveform if/when we get dinged again for advanced
> finger pointing.  So obviously we are looking for software that is capable
> of that.
> >>
> >> We also (hopefully) have a Dranetz 606 power disturbance analyzer on
> its way.
> >>
> >> Any thoughts?  Actual pro equipment that I can borrow also gratefully
> accepted.
> >>
> >> Thanks,
> >>
> >> -r
>
> _______________________________________________
> Tacos mailing list
> Tacos at amrad.org
> https://lists.amrad.org/mailman/listinfo/tacos
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.amrad.org/pipermail/tacos/attachments/20180418/a755a423/attachment.html>