Access Sensor Technologies UPAS User Guide 5
UPAS at a Glance
The following photos show the UPAS and identify several key components,
There are no user-serviceable components inside. Do not attempt to open the
UPAS case. Return the UPAS to Access Sensor Technologies for repair.
Figure 1
UPAS with Cyclone Inlet Cap Removed
Hole for
attaching
a lanyard
Power button with
status indicator
light. Press and
hold for five
seconds to turn
UPAS on or off.
Micro-USB port
Micro-SD
card slot
1/4” -20 UNC
threaded insert
for mounting on
a standard
camera tripod or
similar mount.
Cyclone Inlet
(PM
2.5
version
shown)
Upper half of
37 mm Filter
Cartridge
(PM
2.5
specific
version shown)
Lower half of
37 mm Filter
Cartridge
(shown with filter
in place)
Optional (sold separately)
Flow-Measurement
Adapter. See “Flow Rate
Verification and
Adjustment” on page 24.
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