Re: Electrisave Monitoring Device - A small review

["Gary" <questuk1@xxxxxxxxxxx>]

Hi David,

Whats the min and max Amps resolution (lets say 60w light bulb to
immersion heater.. can it display these two accurately?) with the clamp?=20

Does any part of the meter get hot with running 24/7?


Regards=20


Gary


--- In ukha_d@xxxxxxx, "David Chapman" <david@m...> wrote:
>
> > My thinking is that I have a digi-meter (bought from Maplins)
that
has a
> > PC serial output, if the
> > meter can make some kind of sense of the output then it may be
> > better/cheaper PC solution.
>=20
> Basically what I have done - the Mastech 345 which has PC interface
is=20
> measuring the current in mA that is going through a clamp meter. The
clamp=20
> meter is a =A312 Ebay cheapy - just take the back off and route
clamp/coil=20
> lead through Mastech. Of course values on the Mastech are a bit
meanless but=20
> are linear so just need a multiplier which you can do on the PC.
>=20
> Alternative - the leads from the clamp meter to the clamp can be
extended -=20
> mine have about 15 metres of screened cable on, the clamp is removed
and=20
> around the tail in the outside meter box, the display (body of clamp
meter)=20
> is in the kitchen and fed from an adapter so always on. Couple of
pics here=20
> show how I lashed it all up for test.
>=20
> http://www.manbus.com/DSCF4654.JPG
> http://www.manbus.com/DSCF4655.JPG
>=20
> David C
>