Possebilities of Pico Scopes

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Ruffy91
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Joined: Tue Mar 01, 2022 2:32 pm

Possebilities of Pico Scopes

Post by Ruffy91 »

Hi there,

I'm planning to establish a 6k pico scope within the lab.
The application claims a voltage isolation between the oscilloscope and the sourcing PC (floating ground of the oscilloscope). An isolation up to 3 kV would be appreciatet.
How is this realizable with the pico scope? Are there USB isolators available which support data transfer between PC, USB 3.0 and the mentioned voltage isolation?

Furthermore, is the software of the pico scope capable to interfer with parallel scopes, at once, which are independently isolated and synchronous triggered via external trigger?

Thanks in advance

mnni
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Re: Possebilities of Pico Scopes

Post by mnni »

You can get cheap China usb 2.0 isolators been using them to break ground loops but I don't remember how they work with picoscope but yes they are slow for streaming mode

I have not seen any usb 3.0 isolators .

But the way to go may be to use a ethernet/fiber/WiFi to usb 3.0 hub

One could perhaps also work out something using a raspberry pi
But I am not sure if anybody made some software that would translate the RSP into a usb hub that could be mapped over Ethernet from Windows
! Above would of course not isolate the different devices connected to the hub
Last edited by mnni on Fri Mar 11, 2022 7:47 am, edited 1 time in total.

bennog
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Re: Possebilities of Pico Scopes

Post by bennog »

I would go for high voltage differential probes.
3kV is no joke. Don't know the charge or currents that can be produced by the 3kV.

but certainly don't use el cheapo china isolators or differential probes.

Benno

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