On Wed, 15 Aug 2007 20:59:05 -0400, "Dana" wrote:


"DLR" wrote in message
...
Esther & Fester Bestertester wrote:
Your claim is true, if and only if, you are talking about a
double
conversion UPS. The normal line interactive backup UPS (the type
you
were referring to) has no more surge protection in it than one
of
those cheap power boards.

Hogwash, of course the UPS I am talking about is part of a power
system.
Hence you are the one who is wrong. Using a power strip alone,
will
barely protect equipment from line surges. Using a UPS will
protect from
line surges as well as more importantly keep your equipment
running
during a line outage. No power strip will provide power during a
line
outage.

It might just be me, but does it sound like these two are arguing
the
same point...?

FBt

No, the "hogwash" fellow doesn't understand that the UPS units that
cost
under $200

I am not talking about UPS's that cost under 500.
The UPS's I am talking about are not typically used at home, or in
very
small companies.


It's a pity you didn't clarify what you were meaning before now
because your previous comments appeared to apply to even the lower
priced UPS.

quotes:
"Keep on believing that crock. A UPS is way better than a power
strip."

and

"Unless you have a very cheap UPS, most power from a UPS during
battery operation is quite clean."

Q. how cheap is very cheap? obviously your answer has to be "under
$500".

You have only just now specified that you weren't talking about a UPS
under $500 but even that doesn't quite hack it because the price of
even a cheap unit depends on the power output rating (which you didn't
specify). You can buy line interactive UPS up to several Kva costing
$1000's which are just upscaled versions of the cheaper line
interactive units. They still only have MOV's on the supply input and
the normal mains supply goes straight through to the equipment.

And you won't find a double conversion UPS under 1Kva and that will
cost over $1K at the very least.



are basically a surge strip followed by a solid state switch that
switches
to battery power when the source gets too bad. And that many "good"
surge
strips are better at surge protection than what is built into low end
UPS
units.

And again, even for home use, a power strip does not provide power
when
there is an outage, for you to think otherwise is silly.



Well, you now seem to be now saying the same thing as myself. It is a
pity you didn't say it earlier.