On 3/26/2021 2:51 PM, Tom Del Rosso wrote:
Why is it still necessary to worry about probing a floating ground?

Most digital scopes have power requirements like high-end laptops, so
why can't they have a battery option?

They all have plastic cases, so why can't they have isolated supplies
and no earth connection?

I believe that Tektronix still offers the TPS2000 Series.