linux compatible usb oscilloscope

[Phil]

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