NI offers some Oscilloscope Devices (see here) but they come with PCI or USB interface only.
These interfaces are good enough for a laboratory device, but they have some limitations if you want to use it in a custom product.
I think that an ethernet interface would be a great improvement (it allows a longer cable and it's much more flexible).
Vix
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In claris non fit interpretatio
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Using LV from 7
Using LW/CVI from 6.0
