The IOM Sampler with MultiDust Foam Discs can sample different dust fractions individually or simultaneously.
Analysis is gravimetric for all fractions.
A two-step weighing process is used to determine multiple fractions. Air Sampling Filter Selection Guide . Only Inhalable dust only Load a filter into the IOM cassette. Inhalable dust collects on the filter. Inhalable and Second Fraction of Interest Load the cassette bottom with a filter and weigh it.