This is the normal price for it...
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Actually, their normally around $25 at most e-tailors
Originally Posted by DuckieHo This is the normal price for it... |
Yep I paid 19.99 from the Egg about 2 months ago
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20.98 after shipping for me
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True, it gives a good ballpark useage though.
It also does not take into consideration the PSU efficiency and such, so you know what the PSU is drawing from the wall, but not what the output is from the PSU to the system. This is one of the reasons good PSU review sites will have the AC input watts (the higher number) and DC output watts listed in their tests.
Originally Posted by shinji2k These are nice to have, but they aren't the most accurate for computers. For one they can be easily tricked by active PFC, showing better than 100% efficiency. They also don't have a sampling rate that is high enough to catch transient loads. But any device like this under ~$150 will be in the same boat. I doubt there are many people willing to drop a couple bills just to know exactly how much their computer is using. |
It also does not take into consideration the PSU efficiency and such, so you know what the PSU is drawing from the wall, but not what the output is from the PSU to the system. This is one of the reasons good PSU review sites will have the AC input watts (the higher number) and DC output watts listed in their tests.
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Ive had it for 2-3 years and it is pretty darn accurate. How can PFC fool it? o.0 No way it can, this reads actual power used BEFORE the device. My UPS and the meter always read the same, but the kill-a-watt updates much quicker which is pretty handy.
Originally Posted by shinji2k These are nice to have, but they aren't the most accurate for computers. For one they can be easily tricked by active PFC, showing better than 100% efficiency. They also don't have a sampling rate that is high enough to catch transient loads. But any device like this under ~$150 will be in the same boat. I doubt there are many people willing to drop a couple bills just to know exactly how much their computer is using. |
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