Index >> Microbes and Atmosphere >> Sampling Methods and their Characteristic

Sampler type

Principle Flow rate(1 min-l)

Cut-off 110 diameter(m50)

(/m)

Sieve Impactor
(Anderson)Slit

impaction onto agar plate

28.3

0.65-7.0

Sampler (e.g. Casella)

impaction onto rotating agar plate

30-700

~0.5

Centrifugal Impactor(RCS)

impaction due to centrifugal acceleration

40

4.0

Impingers (e.g. AGI)

impingement into
liquid

12.5

0.3

PBI SAS Sampler
(single-stage impaction)

onto agar plate
impaction

90/180

2.0

Settle plates

gravity

non-volumetric

N/A

Contact plates

surface sampling

non-volumetric

N/A