Tom Del Rosso wrote:
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Why is it still necessary to worry about probing a floating ground?

** Errr - user safety ?

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


** Battery scopes are potentially lethal.

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

** BNC plugs are metal and so are accessory connectors on the front and back.

FYI

My 1987 analogue scope ( 10x8 cm, 50MHz, dual trace) draws the same power as my 1052E

...... Phil