| Document ID (ISN) | 59319 |
| CIS number |
92-1948 |
| ISSN - Serial title |
0017-9906 - HLH - Zeitschrift für Heizung, Lüftung, Klimatechnik, Haustechnik |
| Year |
1991 |
| Convention or series no. |
|
| Author(s) |
Schroers D. |
| Title |
Testing methods for air filters - Present and future European standards |
| Original title |
Prüfverfahren für Luftfilter - Derzeitige und zukünftige europäische Normen [in German] |
| Bibliographic information |
Aug. 1991, Vol.42, No.8, p.459-462. Illus. |
| Abstract |
The methods of determining the collection efficiency of filters in air-conditioning systems described in German Standards DIN 24185 and DIN 24184 are outlined. These standards comply with international standards. They concern filters used for the removal of dust and aerosols from the air and those used for the removal of suspended particulate matter, viruses and other microorganisms from the air of clean rooms. The testing method in DIN 24184 for clean-room filters is based on photometry. It cannot evaluate collection efficiencies > 99.999%. A new testing method is outlined capable of evaluating filters with collection efficiencies up to 99.99999%. It is based on determining the diameter of the most penetrating particles. |
| Descriptors (primary) |
air purification; European Communities; ventilation systems; filter testing; particulate filters; equipment testing; air conditioning |
| Descriptors (secondary) |
Germany (Federal Republic of); clean rooms; collection efficiency; comment on standard; leakage testing; description of technique; standard; testing |
| Document type |
D - Periodical articles |
| Country / State or Province | Germany |
| Subject(s) |
Heating, ventilation and climate
|
| Broad subject area(s) |
Chemical safety
|
| Browse category(ies) |
Respiratory protection
Heating and air conditioning
Ventilation
|
