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TriggerHappy
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Topic: Kill-a-watt question Posted: January 17 2009 at 4:51pm |
What does it mean when kill-a-watt show a lower wattage than what a pump is rated? Is that a good thing or a bad thing?
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210 gallon Mixed Reef
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Cameron
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Posted: January 17 2009 at 4:52pm |
I think it means they lied :)
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TriggerHappy
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Posted: January 17 2009 at 4:53pm |
Maybe I should have created a poll.
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Cameron
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Posted: January 17 2009 at 4:55pm |
Maybe
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Jeff Morrill
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Posted: January 17 2009 at 5:11pm |
I vote yes. Or no, depending if the statistics say I should know. In which case I vote maybe.
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WHAT KINDA GUM????... Give em 2 sticks.
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tazman1982
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Posted: January 17 2009 at 5:14pm |
SMART ___!! beter then a Dumb one..
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snoyce
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Posted: January 19 2009 at 7:37am |
I have heard that its a good thing, the wattage on pumps is the max when the pump is basically fully loaded, so If you were pumping closer to the max head, that would really work the pump and it would be drawing closer to the rated ammount, and usually wear out faster. I know that is what you need to monitor when you mod a pump for a skimmer, different needlewheels with more or less mesh stuff like that you are suppost to watch the watt draw so you don't get into pushing the pump to hard or above the rated watts and burn it out faster.
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Dion Richins
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Posted: January 19 2009 at 8:24am |
Good answer!! Your fine Bill. Like snoyce stated it means your pump is on cruise control. Typically if its going out it will start using more power not less.
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jfinch
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Posted: January 19 2009 at 9:02am |
How much different is it?
If you were pumping closer to the max head, that would really work the pump and it would be drawing closer to the rated ammount
Just opposite. Max power draw on a pump is at minimum head (maximum flow). When you pinch off on the discharge of the pump the power consumption should decrease.
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Dion Richins
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Posted: January 19 2009 at 9:11am |
My bad Once again Jon changes my world as I knew it.
Edited by Dion Richins - January 19 2009 at 9:12am
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snoyce
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Posted: January 19 2009 at 10:02am |
hmm, ok my bad too, thanks for the correction, not sure I understand it, makes me want to experiment with a kill-a-watt and some pumps just to see everything that goes on under different conditions.
now if I just had the time for that much tinkering :)
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TriggerHappy
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Posted: January 19 2009 at 10:02am |
Thanks for the replies.
So, after Jon's post is it good or not? I have a Mag 18 that shows the wattage is 145, but it is drawing only 70. I assume this is a good thing.
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jfinch
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Posted: January 19 2009 at 10:07am |
It could very well be normal. I kind of doubt aquarium pump manufactures are very thorough in their evaluation of their pumps (i.e. they could be off on their flow/power ratings). If it's moving water around for you, it's working .
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TriggerHappy
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Posted: January 19 2009 at 10:24am |
Cool, thanks Jon.
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