1、ICS 13.060.30Wastewater treatment plantsPart 15: Measurement of the oxygen transfer in clean water in aeration tanks of activatedsludge plantsEnglish version of DIN EN 12255-15Klranlagen Teil 15: Messung der Sauerstoffzufuhr in Reinwasser in Belftungsbecken von Belebungs-anlagenEuropean Standard EN
2、12255-15 : 2003 has the status of a DIN Standard.A comma is used as the decimal marker.National forewordThis standard has been prepared by CEN/TC 165 Wastewater engineering (Secretariat: Germany).The responsible German body involved in its preparation was the Normenausschuss Wasserwesen (WaterPracti
3、ce Standards Committee), Technical Committee Klranlagen.This European Standard is part of a series of standards dealing with wastewater treatment plants within thescope of the EC Directive on the approximation of the laws, regulations and administrative provisions of theMember States relating to con
4、struction products.It should be noted that not all of the DIN Standards dealing with wastewater treatment plants need yet bewithdrawn. This is in keeping with resolution 152/98 taken by CEN/BT, which states that where packagesof EN Standards are concerned, it shall be permitted for the relevant nati
5、onal standards (DIN 19569 series)to remain valid for longer periods than usual, until the EN package has been published in its entirety.In the case at hand, all of the relevant EN Standards have not yet been published, and CEN/TC had thereforedecided to extend the period of validity for relevant nat
6、ional standards until the end of June 2004.It should be noted that the scope of the EN 12255 series is not identical with that of the DIN 19569 series.DEUTSCHE NORM April 2004DIN EN 12255-15 No part of this standard may be reproduced without the prior permission ofDIN Deutsches Institut fr Normung e
7、.V., Berlin. Beuth Verlag GmbH, 10772 Berlin, Germany,has the exclusive right of sale for German Standards (DIN-Normen).Normenausschuss Bauwesen (NABau) im DINEnglish price group 11www.din.dewww.beuth.de07.04 9561671Continued overleaf.Document comprises 17 pages.English versionICS 13.060.30Managemen
8、t Centre: rue de Stassart 36, B-1050 BrusselsEuropean Committee for StandardizationComit Europen de NormalisationEuropisches Komitee fr NormungWastewater treatment plantsPart 15: Measurement of the oxygen transfer in clean water in aerationtanks of activated sludge plants 2003. CEN All rights of exp
9、loitation in any form and by any meansreserved worldwide for CEN national members.Ref. No. EN 12255-15 : 2003 EStations dpuration Partie 15:Mesure de la performance desarateursKlranlagen Teil 15: Messung derSauerstoffzufuhr in Reinwasser inBelftungsbecken von Belebungsan-lagenThis European Standard
10、was approved by CEN on 2003-11-03.CEN members are bound to comply with the CEN/CENELEC Internal Regulationswhich stipulate the conditions for giving this European Standard the status of anational standard without any alteration.Up-to-date lists and bibliographical references concerning such national
11、standards may be obtained on application to the Management Centre or to anyCEN member.The European Standards exist in three official versions (English, French, German).A version in any other language made by translation under the responsibility of aCEN member into its own language and notified to th
12、e Management Centre hasthe same status as the official versions.CEN members are the national standards bodies of Austria, Belgium, the CzechRepublic, Denmark, Finland, France, Germany, Greece, Hungary, Iceland,Ireland, Italy, Luxembourg, Malta, the Netherlands, Norway, Portugal, Slovakia,Spain, Swed
13、en, Switzerland, and the United Kingdom.December 2003EN 12255-15Page 2EN 12255-15 : 2003Page6.2.4 Power measurement . 86.2.5 Air flow measurement . 8Page 3EN 12255-15 : 2003Page 4EN 12255-15 : 2003Page 5EN 12255-15 : 2003Page 6EN 12255-15 : 2003Page 7EN 12255-15 : 2003Page 8EN 12255-15 : 2003Page 9EN 12255-15 : 2003Page 10EN 12255-15 : 2003Page 11EN 12255-15 : 2003Page 12EN 12255-15 : 2003Page 13EN 12255-15 : 2003Page 14EN 12255-15 : 2003Page 15EN 12255-15 : 2003Page 16EN 12255-15 : 2003
