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|German to English translations [PRO]|
|German term or phrase: EStreu - in Rollladen contexts|
|EStreu – in Rollladen contexts|
The abbreviation is used in a table of product features for a rolling shutter.
Here they are referring to the blackout effectiveness of the shutter and the context is very short:
"Verdunklung: Verdunklungswirkung mittlere Innenbeleuchtungsstärke: EStreu, 1 Lx."
It apparently has something to do with Streuung – ? dispersion ? or ? scatter ? – and perhaps Entfernung – ? distance ? – but I cannot find the English equivalent abbreviation, partly because there are not many Internet references to the German abbreviation.
The term is discussed at this site, but only in German:
It also seems to make a difference whether the "Streu" part of the abbreviation part is superscript or a subscript. In my context, it appears to be a subscript.
At the above site, there is a somewhat complex formula for EStreu that doesn't help me much and cannot be reproduced here.
I tried searches for "Ddisp" and "Dscat" with no apparent success.
The 'lx' in the phrase definitely refers to lux (the basic unit of illumination or illuminance). 1 lx is equal to 1 lm/m2.
'lm' is lumen (the unit of luminous flux, similar to the unit of optical power, Watt in radiometric units). 1 lm is equal to 1/685 Watts (W).
EStreu might refer to elastische Streuung (see second link) or elastic dispersion.
Selected response from:
Local time: 08:53
|Please see answers to the second EStreu question|
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