Re: GAS Usage Monitoring ?

[Kyle Gordon <kyle@xxxxxxxxxxxxxxxxxxxx>]

It's not gas, but my electricity meter reader at
http://lodge.glasgownet.com/2007/01/09/electricity-meter/
uses pulse
counting. I'm sure a similar simple circuit and .c program will do the same
for you.

Kyle

--
Kyle Gordon - 2M1DIQ
Web: http://lodge.glasgownet.com
Jabber/Email/SIP: kyle@xxxxxxx
On 12 Sep 2012 12:14, "Marcus Warrington"
<marcus.warrington@xxxxxxx>
wrote:

> I recently got a nasty surprise when the 6monthly Gas bill arrived and
> showed we'd used double the amount of gas than the same period
previous
> year. I'm at a loss as to how we have managed this and have now
started
> writing down a meter reading every day.
>
> Whist I was crawling around in the cupboard taking the reading last
night
> I "discovered" a sticker under the dial enclosure that once
removed
> revealed an RJ11 connector. A little bit of googling later revealed
that
> the Schlumberger R5 meter has a pulse output using dry contact reed
switch
> on pins 3 & 4. I butchered an old RJ11 modem lead I found lying
around and
> connected pins 3 and 4 to my multimeter and confirmed that the meter
does
> indeed give a 'contact' every revolution of the wheel i.e. every 1ft3
of
> gas used.
>
> So my question is has anyone built anything to cheaply interface to
this
> pulsed output ?  I know I could roll my own using an Arduino or
similar but
> my electronic skills are pretty much non-existent.
>
> Marcus
>
>
>
> [Non-text portions of this message have been removed]
>
>
>
> ------------------------------------
>
>
> Yahoo! Groups Links
>
>
>
>


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