Re: DC power meter suitable for a data logger?

"Jasen Betts" <jasen@[EMAIL PROTECTED]
> wrote in message
news:g6k2qn$p3e$2@[EMAIL PROTECTED]
> On 2008-07-26, Maury Markowitz <maury.markowitz@[EMAIL PROTECTED]
> wrote:
>> Can anyone suggest a DC power metering solution with a suitable
>> output? The U12 sup****ts "any third-party sensor with 4-20mA or 0 to
>> 2.5 volt DC output".
>
> could you measure voltage and current separately and then combine the
> results to get power? or is that going to fill up the data logger too
> fast?
>
> Bye.
>   Jasen

Use an analog multiplier such as the AD835 or AD633 to provide the E*I
product, 
scale the output as appropriate and feed it to the logger.

-- 
Dave M
MasonDG44 at comcast dot net  (Just substitute the appropriate characters
in the 
address)

Experience: What you get when you don't get what you want