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Thread: Electric Meter Running fast

  1. #16
    DIY Junior Member shahnaimath's Avatar
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    @hj

    With the heater the amps is per company standard and how do we check amps without heater i.e. load?
    Last edited by shahnaimath; 05-16-2011 at 10:14 AM. Reason: mistake

  2. #17
    Retired Defense Industry Engineer jadnashua's Avatar
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    If you've checked the draw (load) of the heater, and it is within specs, and you said the meter slows way down when it is off...it sounds like it is working exactly like it should. As I said, that's like having nearly 100 100W light bulbs all on at the same time...that's a lot of electricity, and you'll pay for it. Assuming it was on continuously (unlikely, but I suppose possible), that's nearly 10Kw/hr. Where I live, that would cost about $1.65/hour, $39.60/day, or $1188/month.
    Jim DeBruycker
    Important note - I'm not a pro
    Retired Defense Industry Engineer; Schluter 2.5-day Workshop Completed 2013, 2014

  3. #18
    General Engineering Contractor ballvalve's Avatar
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    In Saudia Arabia, you should use the sun to preheat your water, then a 3 or 4 KW heater element on very rarely should suffice.

  4. #19
    DIY Junior Member shahnaimath's Avatar
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    @Jad

    Thanks for the reply...As per your explanation the meter reading looks quite obvious

  5. #20
    DIY Junior Member shahnaimath's Avatar
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    Quote Originally Posted by DonL View Post
    Maybe that one is wired incorrectly, or could be operating at around 10 KW, about normal.

    You can always determine the usage by;

    The amount of energy represented by one revolution of the disc is denoted by the symbol Kh which is given in units of watt-hours per revolution. The value 7.2 is commonly seen. Using the value of Kh, one can determine their power consumption at any given time by timing the disc with a stopwatch. If the time in seconds taken by the disc to complete one revolution is t, then the power in watts is P = 3600 * Kh Divided by t in seconds. For example, if Kh = 7.2, as above, and one revolution took place in 14.4 seconds, the power is 1800 watts. This method can be used to determine the power consumption of household devices by switching them on one by one.
    Well DonL,

    Can u please tell me how to measure Kh i.e. watts hours per revolution, as u have mentioned that it is commonly seen as 7.2. Please help.

  6. #21
    Jack of all trades DonL's Avatar
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    In the U.S.A our meters use the Kh = 7.2, I am not sure what You use in your country.

    Whatever your meter uses it will say on the meter, next to the spinning disk, Just put that number into the formula.

    Have a good day.

    DonL
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  7. #22
    DIY Junior Member shahnaimath's Avatar
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    @DonL

    Thanks for the reply..

  8. #23
    DIY Junior Member DanTee's Avatar
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    I think i would throw the heater out and get a fat girl (|:>)

  9. #24
    Jack of all trades DonL's Avatar
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    Quote Originally Posted by DanTee View Post
    I think i would throw the heater out and get a fat girl (|:>)
    I agree, But one would have to be Imported. lol
    Theory only works perfect in a vacuum.

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  10. #25
    General Engineering Contractor ballvalve's Avatar
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    Plenty of fat girls under those big white sheets.

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