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Kill-a-watt meter?

Discussion in 'Home Power and Microgeneration' started by Walter E., Oct 28, 2003.

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  1. Walter E.

    Walter E. Guest

    Is anyone familiar with the Kill-A-Watt power meter? It's made in China and
    sells for about $ 40.

    I would like to know if it just measures AC amps or if it actually measurers
    power consumption over time, like a month.

    Would anyone know what the sensitivity is? Does is measure the power used by
    refrigerators as well as radios and clocks?

  2. mark Ransley

    mark Ransley Guest

    Yes its a good unit, you need it for measuring units,
  3. Basil

    Basil Guest

    You should check with your local library ours has two. they
    were provided to them by the power co.
    for e-mail remove the "not" from my address
  4. Hi Walter,

    I just bought one a couple weeks ago for $34.95 including shipping (to US
    location) @

    It measures Volts, Amps, Watts and VA(!), and Frequency. And it measures kWh
    as well as "elapsed time" which allows you to run it for a month or longer
    and compute the daily energy consumption (not sure if the clock will display
    720 hours, though...but you could do the math...)

    The sensitivity of it is supposedly quite excellent for a device that cheap
    (according to some information that I came across while doing some
    research). See the "Terry Fritz" report here: A Watt/killawatt.htm

    Supposedly it now also runs fine with modified square inverters.

    I have not regretted buying and using it as we are tracking and monitoring
    our own usage in preparation to going from 15 kWh/day to 3.5 kWh...

    Good luck!
    chrism @ project
  5. Jeff

    Jeff Guest

    Does this measure actual kWh, or kVA?

    Big difference energy wise if the load is not resistive, which is pretty
    much anything non incandescent or with only a heating element.
  6. daestrom

    daestrom Guest

    Mine reads both. Button for VA and another for Watts. Accumulates kW-hrs
    along with total hours connected.

  7. m Ransley

    m Ransley Guest

    I just leave mine plugged in apliances for a month then change
    apliances. It has been tested to be very accurate.
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