Filters for Airmaster ventilation units

Filter standard – EN ISO 16890

 

Particulate air filters for ventilation should from d. 1 July 2018 comply with the new filter standard EN ISO 16890, which replaced the DS / EN 779: 2012.

All Airmaster air handling units are delivered with filters in compliance with the standard ISO 16890. The new description is indicated on the filter. 

The filter standard is introduced with the vision to create one global filter standard.  

The EN ISO 16890 test method focus on the performance of filtering in proportion to specific particle sizes.

The old test method only focused on the efficiency of filtration, without taking into consideration which specific particle size it could filtrate. The new standard makes it more manageable to compare with particulate pollution in other contexts.

Table 1 shows the old classifications for DS/EN 779:2012 compared to the new classification for EN ISO 16890. It is not possible to translate the new classifications directly, but the table shows how Airmaster translate the classification in proportion to each other. 

EN ISO 16890 use new descriptions which classify the efficiency of the filtration in proportion to the particle size.

PM1, PM2,5, and PM10 indicates the particulate matter size in μm. 10 μm is the largest particle and 1 μm is the smallest particle. In front of the PM an e is given (ePM) which indicate the efficiency of the filtration in
proportion to the specific particle size and is given in %. For example, a filter which is classified as ePM1 (>55%) capture more than 55% of particle size 1 μm.

All documentation will continuously be updated with the new filter classifications.

Figure 1 – Particle size of normal occurring atmospheric air pollutants.
Source: Danvak, “Grundbog Varme- og klimateknik, 3. Edition”.

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