Andersen Reference Ambient Air Sampler

14 Pages·1999·2.07 MB·English

Andersen Reference Ambient Air Sampler (RAASTM)
Close up view of the RAASTM
.
n
i
m
/
L
.
n
i
m
/
L
INLET
Size Size
Selective Selective
Cyclone Cyclone
Manifolds
1 2 Channel 3 4

Sampler
w

o 7 Housing
l
F 7
Air min. . . er min.
7.3 L/ 61 61 Denud 7.3 L/
Quartz Filter O
g
M

Teflon Filter Empty Nylon Filter
Mass Flow
Control
Electronic
Flow
Total, Organic, Mass, Elements Replicate or Sulfate, Nitrate, Sensor
Elemental, Carbon
other Ammonium,
Sodium,
Pump
Potassium
Schematic diagram of the RAASTM sampling system
IMPROVE Sampling System and Module
Module 1 Module 2 Module 3
Inlet Stack Inlet Stack Inlet Stack
. O 3
n
i C
m
/s Size a 2 Size
r N Selective
e Selective
t Cyclone
i Cyclone
L
w
o
Fl PTFE Size Quartz
r 7 Selective
i .
A 2 Cyclone
2
Critical Orifice
Nylon
Critical Orifice
Pump
Critical Orifice
Pump
Mass,
Pump
Sampler
Elements
Total, Organic,
Housing
Elemental,
Sulfate, Nitrate,
Carbonate
Ammonium, Sodium,
Carbon
Potassium
Schematic diagram of the IMPROVE sampler modules
TM
MET ONE Spiral Aerosol Speciation Sampler (SASS )
MET ONE SASSTM
Solar shield with one sampling
cassetted mounted
Vacuum pump and
flow control module
MET ONE SASSTM
Sampling cassette with
sharp cut cyclone (SCC)
Sampler control module
Pump
1 2 3 4 5
Channel
A w Sensors w Sensors w Sensors w Sensors w Sensors
ir F Flo Flo Flo Flo Flo MCoanstsr oFllow
l
o
w
n. n. n. n. n.
mi mi mi mi mi
L/ L/ L/ L/ L/
7 7 7 7 7
6. 6. 6. 6. 6.
Empty Empty Empty Empty Empty
Teflon Filter Teflon Filter Nylon Filter Quartz Filter Empty
MgO Coated
Empty Empty Empty Empty Denuder
Al Honeycomb
CYCLONE CYCLONE CYCLONE CYCLONE CYCLONE
Sulfate, Nitrate,
Mass , Ammonium, Duplicate or
Duplicate or Total, Organic,
Elements Sodium, Other
Other Elemental, Carbon
Potassium
Schematic diagram of the SASSTM sampling
system
URG Mass Aerosol Speciation Sampler (MASS)