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03-25-2003 12:16 PM
03-25-2003 12:16 PM
thanks
Solved! Go to Solution.
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03-25-2003 12:25 PM
03-25-2003 12:25 PM
SolutionChris
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03-25-2003 12:31 PM
03-25-2003 12:31 PM
Re: UPS load
If its HP hardware you can look up electrical specs on hp's web site.
Add the figures up and you'll know if you have an issue.
SEP
Owner of ISN Corporation
http://isnamerica.com
http://hpuxconsulting.com
Sponsor: http://hpux.ws
Twitter: http://twitter.com/hpuxlinux
Founder http://newdatacloud.com
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03-25-2003 12:58 PM
03-25-2003 12:58 PM
Re: UPS load
The best metod is to use a DC Clamp-on amperemeter on the accu cords and divide the the ampere reading with the capacity of the accu. Before doing this you should disconnect the UPS from the main. Don't rely to much on AC measurings on inductive loads if you don't know the power factor (cos. phi).
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03-26-2003 12:05 AM
03-26-2003 12:05 AM
Re: UPS load
Some UPS systems have a LED indicator that gives a rough estimate of the load.
On our Powertrust-II UPS systems, the load is indicated with 4 LED's at the front. It is not very precise, but good enough to know if it is safe to connect a lot more equipment or not.
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03-26-2003 08:12 AM
03-26-2003 08:12 AM
Re: UPS load
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03-26-2003 08:21 AM
03-26-2003 08:21 AM
Re: UPS load
The figures that HP supplies are so conserative that the US Military dies there own measurements. HP measured specifications have been off by as much as 40%.
UPS Man II does not supply all the features that HP was led to believe.
If, you are using a powerTrust prior to2003, read paragraph 1 above.
Personally, I found that APC tells you everything and its abilities through software are superior.
You are better off using a THIRD PARTY Power Software Manager with the Exide/PowerTrust units that UPS Manager II.
Tony
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03-26-2003 08:25 AM
03-26-2003 08:25 AM
Re: UPS load
We have a similar PowerTrust II MR UPS and the LEDs you're describing are showing you the charge on the batteries. You have to press the right-most button to see the load. (Hehe, read the button label first to make sure it's not different from mine!)
Seth
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03-27-2003 06:02 AM
03-27-2003 06:02 AM
Re: UPS load
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