[oclug] RFID water readings
lists at l8r.net
Wed Aug 16 16:17:35 EDT 2006
On Wed, 16 Aug 2006 16:02:31 -0400
Raj <oclug at raj.homelinux.com> wrote:
> On Wed, 2006-08-16 at 10:42 -0400, Brad Barnett wrote:
> > On Wed, 16 Aug 2006 10:48:14 -0400
> > Bill Strosberg <oclug_mail at strosberg.com> wrote:
> > > mlist at safenet-inc.com wrote:
> > > > Isn't either the gas or electric metering read by RF already?
> > > > I often see guys treking through the neighborhood with handheld
> > > > units, pointing them at each house for a few seconds, and moving
> > > > on. It only makes sense that private enterprise would have
> > > > latched onto the efficiency and reliability of the method long
> > > > before government would catch on... The private companies have to
> > > > keep costs down and ensure reliability of
> > > > reporting/measurements/billing. The city already "loses" millions
> > > > of gallons of treated water,
> > > >
> > > Follow around a private water truck for an hour - you'll see them
> > > attach to unmonitored hydrants in new construction zones, fill up
> > > and then re-sell the water to folks for filling pools. It is not
> > > lost, much is stolen.
> > > > between the treatment plants and our houses, to leaks in their
> > > > delivery system, so it's not like there's an urgent concern for
> > > > them.
> > > >
> > > Can't be the Gas folks, there is no convenient power available, and
> > > batteries aren't an option for the transmitter.
> > The gas flow itself could be utilized for power... it isn't as if much
> > power is required for this....
> except when you're not using any, and there isn't a flow.. i guess the
> guy has to wait around for your water heater to kick in or something?
When the gas flows, the resulting output could be used to charge some
cell. The unit could sit in listen only mode, and switch to transmit when
it detects a specific signal...
Still though, getting to be a bigger pain, and summer gas use is
significantly less than winter. I also know people that shut off their
hot water tank for a vacation.
Oh well ;)
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