Products > Test Equipment
Floating Scopes
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Psi:

--- Quote from: GnomeZA on December 26, 2023, 07:05:27 am ---
--- Quote from: Psi on December 26, 2023, 05:34:25 am ---You can float your own scope if you want to, but it can be very dangerous unless you fully understand exactly what you're doing.
So it's best to simply tell people to never do it.

--- End quote ---

But that is no different from a religious/cult leader telling their believers not to question the religion or cult.
In the world we live in now, with the amount of information and access we have, gatekeeping is pissing in the wind, it does absolutely nothing.
Saying on a public thread that you think the readers may not be as educated as you are <or insert superiority reasons here> is like asking for the Streisand effect to happen.
Some people on that thread WILL be smarter than you (there is always someone smarter or better than you).
By saying that you've solidified in their mind every bad thing they think about you and that they are actually discovering something useful.
I think the best option if you are unable to articulate reasons, is to stay silent, it'll do more to prevent someone from proceeding than gatekeeping.

Sorry bit of a preach but it really is annoying to have to scroll past pointless posts because they distract from the gold nuggets of actual useful information.

And someone will obviously take issue with what I said here so let me ask to that person this:
When last did you accept someone shutting down something you asked with dogma, then walked away from that thinking, now that was some good feedback and so valuable.
Never to think about it again.

--- End quote ---

You raise valid points. But it's also valid to choose not to explain dangerous and unnecessary things publicly, and to instead just say "don't do this".
At the end of the day everyone has to live with themselves and the effect they have on the world.
With the wide reach of the internet sometimes posting something will almost definitely lead to someone somewhere trying it and being inured.
The hard part is knowing where the line is.
eg, Does helping 9999 people make up for the fact that 1 person died or was injured while following something you posted online?
JDW:

--- Quote from: madires on December 26, 2023, 12:21:27 pm ---
--- Quote from: JDW on December 25, 2023, 09:33:15 pm ---
--- Quote from: madires on December 25, 2023, 03:34:22 pm ---In case that power brick comes with an EMI supression cap between primary and secondary I wouldn't call the DSO floating.

--- End quote ---

That kind of statement seems to suggest this: "Go ahead and remove the ground from your scopes and then test high voltage because as long as you have an EMI suppression cap between the primary and secondary, it's not floating and therefore A-OK."

--- End quote ---

Nope! You're reversing cause and effect while adding a thrid thing, which might be even dangerous based on the specific measurement setup.

--- End quote ---


I honestly don't understand what you're talking about.  Let's keep it simple, shall we?  I've said nothing other than things which advocate safety as per the use of a grounded and non-floating scope, for the sake of (1) preventing inadvertent electric shock, and (2) for helping to avoid common mode noise issues on measured waveforms.  It's really that simple.
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