Posted by Sum Guy on April 6, 2010, 2:30 pm
I want to impliment a PC-based data logger for my home energy usage by
measuring my total current, voltage, and power readings at my main
breaker.
I know there are products that do this and have various read-outs and
data logging capability.
I don't want a readout, and I don't want data logging capabilities.
Do any modules or devices exist where I can attach a couple of coils to
measure current on my 2 hot leads and three wire connections to measure
my 2-phase 220 VAC service, and generates numeric data I can read via
serial interface by a PC with a time resolution of my choosing?
Posted by somebody on April 6, 2010, 5:50 pm
>I want to impliment a PC-based data logger for my home energy usage by
>measuring my total current, voltage, and power readings at my main
>breaker.
>I know there are products that do this and have various read-outs and
>data logging capability.
>I don't want a readout, and I don't want data logging capabilities.
>Do any modules or devices exist where I can attach a couple of coils to
>measure current on my 2 hot leads and three wire connections to measure
>my 2-phase 220 VAC service, and generates numeric data I can read via
>serial interface by a PC with a time resolution of my choosing?
Radio Shack used to make a multimeter with RS-232 output.
Posted by Bill on April 6, 2010, 6:02 pm
"Sum Guy" wrote in message
>I want to impliment a PC-based data logger for my home energy usage by
> measuring my total current, voltage, and power readings at my main
> breaker.
> I know there are products that do this and have various read-outs and
> data logging capability.
> I don't want a readout, and I don't want data logging capabilities.
> Do any modules or devices exist where I can attach a couple of coils to
> measure current on my 2 hot leads and three wire connections to measure
> my 2-phase 220 VAC service, and generates numeric data I can read via
> serial interface by a PC with a time resolution of my choosing?
Ask here...
http://forums.parallax.com/forums/
Posted by Steve Ackman on April 7, 2010, 8:49 am
Guy, Sum@guy.com wrote:
> I want to impliment a PC-based data logger...
> ... and I don't want data logging capabilities.
A data logger without data logging capabilities
would be... broken?
--
☯☯
Posted by Sum Guy on April 7, 2010, 12:58 pm
Steve Ackman wrote:
> > I want to impliment a PC-based data logger...
> >
> > ... and I don't want data logging capabilities.
>
> A data logger without data logging capabilities
> would be... broken?
I do not need or want to pay for data-logging capabilities for the
device that's connected to my main power lines that is measuring the
instantaneous voltage, current, and power usage. I want the PC to
perform the data-logging.
I would have thought that much was clear.
I did say "pc-based data logger".
You went too far out of your way to edit my question to make it look
like a joke or a paradox.
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>measuring my total current, voltage, and power readings at my main
>breaker.
>I know there are products that do this and have various read-outs and
>data logging capability.
>I don't want a readout, and I don't want data logging capabilities.
>Do any modules or devices exist where I can attach a couple of coils to
>measure current on my 2 hot leads and three wire connections to measure
>my 2-phase 220 VAC service, and generates numeric data I can read via
>serial interface by a PC with a time resolution of my choosing?