Re: [LUG] Energy Monitoring

[Tom <madtom1999@xxxxxxxxxxxxxx>]

On 17/01/15 15:50, Gordon Henderson wrote:
> On Sat, 17 Jan 2015, Tom wrote:
>
> > I have solar (and an old mechanical meter) so if anyone knows of a
> > monitor that can read backwards I'd be interested to hear about it,
>
> If you have a meter with a spinny disc, then you need a sensor (Ir LED +
> detector) that can detect the large black mark on the disc. With 2 such
> sensors you can tell which way the disc is going - same as a shaft
> encoder or mechanical mouse. You just need some clever software.
>
> Also read this -
>
> http://www.which.co.uk/energy/creating-an-energy-saving-home/guides/feed-in-tariffs-explained/meters-running-backwards/
>
>
> If your supply co. get wind of you have an old meter than can go
> backwards they may change it out sooner than you want (but you have no
> choice in the matter)
>
> Gordon
My meter wont read backwards alas! Its digital but not modern.
I cant find a monitor that can read backwards at a reasonable price - 
they all seem to want a huge amount of money to add a - to the thing!
Tom te tom te tom

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