For filtration applications, the absolute filter
ratings are: Liquids
Coalescing filters, activated charcoal filter, depth filter and absolute filter
are interesting to compressed air experts, spoiled product is your interest as the user of the compressed air.
Although the primary data I was seeking was the "Inhaled Mass" in the "lung," (amount of drug deposited in an absolute filter
at the end of an 8 mm ID ETT), I was able to directly measure the amount of aerosol deposited in the ETT (by using a radioactive tracer and placing the entire ETT in the measuring device).
An air sample is drawn through an absolute filter
paper, and the resulting stain in relation to the clean paper is measured optically.
The MRS 3 has an absolute filter
for mercury vapors and particulate matter and has a water shut off module and charcoal filter.
The hydraulic system uses a 100 gal reservoir, with a Fairey Arlon, 25 micron absolute filter
on the return side.
SagiCofim adds its lines of diffusers, grilles, terminal filtration hoods, absolute filters
and balancing dampers to ALP's pre-insulated ducts to create a complete air distribution solution that is energy efficient while providing antimicrobial benefits.
Ulrich discuss the value of open versus closed tournaments, collaborative versus competitive tournaments, and relative versus absolute filters