Re: How to get the output from the light dimmer?


Clive Mitchell wrote:
>
> Since the traditional 'scopes are not really designed to have their
> probes directly connected to the mains it might be better with a
> suitably isolated LCD scope. In the bad old days the TV engineers used
> to run the TV's on isolating transformers to allow 'scope use, but you'd
> need a bit of a transformer for a loaded dimmer rack.

Using the oscilloscope in differential mode will solve the problem. One
probe to live, and one to neutral. For high voltage work, 10:1 probes
are usually enough.
>
> --
> Clive Mitchell
> http:/www.bigclive.com

.

Relevant Pages

  • Re: How to buy probes for oscilloscope
    ... mike wrote: ... >> used 'scope on Ebay, and many of them do not come with probes. ...
    (sci.electronics.equipment)
  • Re: Will this laser idea work? On topic
    ... Most Tektronix scope probes of relatively ... >>>hairpin clips into this to connect the ground clip to the scope probe's ... >> twist on connector that fits the input on the 'scope. ...
    (rec.crafts.metalworking)
  • Re: BIG BIG Favour to ask....
    ... Any thoughts on this for a beginner scope? ... can be done with a 100:1 hi voltage probe for whatever scope you ... ultrasound is specifically defined ... No probes or manual but I can live with that for now (until I learn ...
    (alt.guitar.amps)
  • Re: oscilloscope probe questions
    ... its my first scope and i mostly want to learn how to use it correctly ... and become proficient in basic measurements. ... that of your probes. ... variable capacitance that you can adjust with a screw driver. ...
    (sci.electronics.equipment)
  • Re: Oscilloscope Shopping on a $2000.00 Budget
    ... SMPS mostly needs a good analog scope, ... Really, an analog scope is a primitive, almost qualitative instrument. ... Are the floating inputs in the probes or in the scope? ...
    (sci.electronics.design)