2
3
All fitting connections are
1
/
4
" tube,
except where noted.
AIR
MONI TORING
Passive Air Sampl ing Ki ts
11
Phone: 800-356-1688 or 814-353-1300
Passive Air Sampling Kits
• Provide accurate integrated sampling without a sampling pump.
• Siltek® treated components ensure a very inert surface.
• Excellent for sampling times from 0.5 hour to 125 hours.
Restek’s passive air sampling kit incorporates all the hardware necessary to collect air samples, and is easy
to assemble for field sampling.* The improved filter design greatly reduces the number of potential leak
sites. The passive air sampling kit is available in seven sampling flow ranges, and in stainless steel or Siltek®
treated finish. The stainless steel kit is ideal to partner with TO-Can™ air sampling canister for TO-14A
and TO-15 methods. Use the Siltek® treated version with SilcoCan™ canisters, when collecting low-level
volatile sulfur compounds, or other active compounds.
*Air sampling canisters sold separately.
1. Veriflo® SC423XL
flow controller
This flow controller is the
heart of the sampling train.
It is a high-quality device
designed to maintain a
constant mass flow as the
pressure changes from 30"
Hg to 5" Hg (we recommend
you stop sampling at or
before 5" Hg of vacuum).
All wetted parts of the flow
controller can be Siltek®
treated.
2. Stainless steel
vacuum gauge
Fitted to the flow controller,
the gauge monitors canister
vacuum change during
sampling.
3.
1
/
4
-inch Siltek®
sample inlet
The 0.3m x
1
/
4
-inch tubing
includes a stainless steel
nut on the inlet end, to
prevent water droplets from
accumulating at the edge of
the tubing, where they could
be pulled into the sampling
train.
4. 2-micron frit
filter and washer
Located prior to the critical
orifice to prevent airborne
particles from clogging the
critical orifice. Replaceable.
Available in stainless steel, or
Siltek® treated for optimum
inertness.
5. Interchangeable
critical orifice
An interchangeable ruby
critical orifice allows you to
control the flow with very high
precision. To select the correct
critical orifice for your sample,
see table above. Available in
stainless steel, or Siltek®
treated for optimum inertness.
4
5
1
/
4
" NPT
free
literature
A Guide to Passive Air
Sampling: Equipment Needed
and Practical Techniques for
Collecting Air Samples
Download your free copy from
Technical Guide
lit. cat.# 59977B
1
please
note
For individual components, see page 12.
Canister Volume*/Sampling Time
Flow Orifice
Siltek
®
Treated
Stainless Steel
400cc 1 Liter
3 Liter
6 Liter
15 Liter
(sccm)
size
Sampling Kits
Sampling Kits
8 hour 24 hour 48 hour
125 hour
— 0.5–2 0.0008"
24217
24216
2 hour 4 hour
12 hour
24 hour
60 hour
2–4
0.0012"
24160
24165
1 hour 2 hour
6 hour
12 hour
30 hour
4–8
0.0016"
24161
24166
— 1 hour
4 hour
8 hour
20 hour
8–20 0.0020"
24162
24167
— — 2 hour
3 hour
8 hour
20–40 0.0030"
24163
24168
— — — 1.5 hour
4 hour
40–80 0.0060"
24164
24169
— — — 0.5 hour
1 hour
80–350 0.0090"
22101
22100
11 Website ;
Email :
Tel No : 03 9762 2034 in AUSTRALIA
