Re: Mains Current Montoring

["Gary" <questuk1@xxxxxxxxxxx>]

Hi Dan

You may be able to do it like this if you have this type of meter.


http://pietje.com/stroom.asp


Regards=20


Gary



--- In ukha_d@xxxxxxx, Dave McLaughlin <dave@v...> wrote:
>
> Hi Dan,
>=20
> LEM, www.lem.com, do a range of clamp on sensors but nothing with a=20
> direct connection to a PC etc.
>=20
> You would need to use something like a PIC based board with ADC and
some=20
> software to stream the current readings to your PC. Quite trivial if
you=20
> are familiar with interfacing and writing your own code.
>=20
> If I remember correctly, the split type are what you want and are
about=20
> =A380 each. Can't recall the model number but you can email them
for=20
> information. Just ask for SPLIT TYPE transducer with DC output
giving=20
> instantaneous current (watch out, some types give an AC type signal
out=20
> and what you want is a direct DC output voltage which you can scale
and=20
> read as amps)
>=20
> This is what I was planning on building until I moved overseas!!
>=20
> Hope this helps
>=20
> Dave...
> ---
> Very funny Scotty, now beam down my clothes!!!
> ---
> http://www.embeddedcomputer.co.uk
> http://www.v8carlton.com
> ---
>=20
>=20
> Dan Lowe wrote:
> > Hi All
> >=20
> > After seeing Mark's link (Large Building Control), and the fancy
graphs on
> > those tools to see mains load, it got me thinking.  Has anyone
seen a device
> > which I speculate may have a CT and something useful like an
ethernet port
> > which I can clamp around the mains incoming without interfering
with it, and
> > then pull off my load in amps?  It's what you see on fancy
electricity
> > meters in new houses where you can cycle the options and see load
and what
> > not.
> >=20
> > -Dan
>