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#1 Posted : Thursday, January 14, 2010 3:56:44 PM(UTC)

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I noticed that the temperature of the sleeping bags not so obvious to many people so I decided to shed some light on this subject.

Five years ago a number of University students in England, decided to try and create a uniform standard and must upgrade temperature of sleeping bags.
They tested and compared among global thinkers according to many parameters and thus created.
The old standard (which says that there is no such) were some parameters:
Average body weight
On air mattress
Inside the tent three seasons
After a full meal (three essential nutrient).
With thermal clothing F1 including CAP and liner socks.
Students add more parameters
Like a ghost, more accurate weight fabric and additional parameters.
Created confusion on the one hand and on the other hand.
The confusion there most score bag which device is tested.
And, many companies adjust themselves to the new device.

I personally and professionally has no importance to European standard
Main aim is plain, but I don't think line with world-renowned cannot allow them to fake temperatures even if they don't meet the new standard. 7 and 7 is something else and if that particular company's stood at a temperature in the old driver so he definitely will now.
In addition, there is the matter of price--it gave back more money for sleeping bags with a new device.
Very professional companies like the mountain Radware still use the old device and still one of the hottest bags sold to delegations.

Unfortunately it is very difficult to find a match between old and new standard in temperature
Therefore not always equal 2 7 American European company.
And the fiber sack and his isolation pools per gram per meter.

Hope I helped a little

#2 Posted : Friday, January 15, 2010 6:19:23 PM(UTC)

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Nice and useful post. Drop it to broaden and clarify what I know-and I am not an expert, so take that into account.

How hot or cold it's going to be somebody very, very personal and each has different preferences and body. There is no possibility manufacturers rate in a way that fits everyone. The upgrades should be taken with a grain of salt as a crude estimate. Each time you try and learn to adjust the needs of producers and upgrades (some degrees to add or download)

But to make such adjustment and comparisons between different manufacturers need's stroke alignment among manufacturers about what actually tested as have upgraded. As explained above, that's correct.

As far as the EU is the only one which any stroke alignment you can count on. There is no American equivalent to European standard. About old European standard, I think it's irrelevant and you can ignore it.

Quite tasty European and American companies (for example, and many other good and golite) did not adopt the European standard there are matters of money and politics around this device brings companies to adopt him and reasons. But as a consumer, if company ranks according to fix its products so there is no way and to match its upgraded the rating according to the European standard. In addition, most companies don't adopt the European standard steps that their bag like they heat more than was obtained if they are tested according to the standard. That doesn't mean their bad ashkshim but it is difficult to choose the right bag and comparing it to competitors.

Sometimes you can get away with this for example in a bag filled with upside down to check the thickness and quality. If you find two with similar thickness and make similar quality (also make some quality rating) then there is a good chance that they actually like Play65 ™ even if one has an official rating by the European standard.

Who's interested a little more detail of how to upgrade according to European standard here are some links:

-Bag-http://www.europeanoutdoorgroup.com/info/sleeping-information sheets

The km has upgraded according to European standard EN 13537 noted he "tested" or sometimes "EN Tested". If it's not written on the packaging and/or the manufacturer's website so that the bag has not been tested by a device.

According to the standard of four upgrades actually receives. For simplicity, you can focus on what's called a comfort rating (comfort) and ignore the rest. Some more details here:

Mtznis manufacturers have the comfort rating in the bag another number. For example putting the marmot drive number that is actually the low rating (a number that is always lower temperature comport). To compare the miles when the express upgrade and just take the number that stands out on the bag.

Note for Play65 ™ guess is around without wind (like a tent).

It is also important to mention that there is a great deal of importance to isolation gives the mattress. Proportions, nearly half those who sleep on their backs, your heat at night will determine by the isolation of the mattress and the bag of insulation upgrades that pay other mattresses.

Another point Feliz or warm jacket will be cold outside comfortably and bag can also be used. This allows to take miles easier (with upgrade to higher temperature) and enjoy a walk with less weight on your back all day.
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#3 Posted : Friday, January 15, 2010 6:34:57 PM(UTC)

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A lot of investment,

Thank you all.
#4 Posted : Sunday, January 17, 2010 3:13:55 AM(UTC)

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Following posts that mention "American standard" I tried again to find what it was.

I found the following paragraph:
Most US manufacturers post their ratings restrictions based on the US ISO TR-11079 Extreme standard. Like the EN 13537 Extreme rating engine, this defines the survival point hypothermia rating engine, not the comfort rating engine. The ISO TR rating engine averages about 12 11079 Extreme F more conservative than the EN 13537 Extreme rating engine.

He said the discussion on the Forum someone (it has a laboratory for temperature upgrades)
Http://www.backpackinglight.com/cgi-bin/backpackinglight/forums/8657 thread_display.html forum_thread_id =?

ISO is a European first.
Secondly this standard seems to be cancelled (withdrawn

I connect it to what spring wrote up maybe happens is:

What people call him an American standard is actually the old European standards that many American companies are still adopting?

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