MSSI Stack Impactor
PM10, PM2.5, PM4 and PM1

Nozzle
Nozzle
Nozzle
Connection cone to sampling nozzle
Ring nut gasket
1st PM10 cut stage
Expansion Cone
2nd PM4 cut stage
Expansion cone
3rd PM2.5 cut stage
Expansion Cone
4th PM1 cut stage
Expansion Cone
Backup filter cassette
Filterholder and connection cone to sample probe
Ferrule
MSSI Stack Impactor
MSSI Stack Impactor for PM10, PM2.5, PM4 and PM1, is realized according to ISO23210 norm for the nozzle dimensioning. The impactor allows the simultaneous determination of total dust, PM10 and PM2.5 fractions (PM4 stage also available).
The impactor can be supplied with two different inlet cones to allow the vertical and horizontal sampling, depending on the stream direction into duct (fig. 1 and 2).
The impactor is designed for a high sampling flowrate, about 2 m3/h, depending on emission characteristics, to reduce sampling time.
The device is supplied with a dedicated software, which allows calculating sampling flowrate, nozzle and others factors to optimize the quality of the measurement.
The Titanium impactor allows to determine the gravimetric fraction and to perform the chemical analysis (i. e. heavy metals determination) on the filters as well.
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Main Features
Operation Scheme
2 STAGE

3 STAGE

4 STAGE

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