12
ObservAir
Operating Manual
•
Do not pressurize the sensor:
Never connect the ObservAir to a
compressed gas cylinder (even when fitted with a regulator), air
compressor, or other pressure source without a purge valve that is open
to the atmosphere. Positive pressure air in the sensor can damage
sensing elements and other hardware.
•
Charger:
Only charge the sensor with the included charger or
equivalent 2.1A rated USB charger. The included charger is rated for
operation at both 110V/60Hz and 220V/50 Hz – simply adapt to local
plug style if needed. Do not use chargers rated above 2.1A or below 2.0
A. The ObservAir can also be charged from computer ports that are
rated to at least 500mA.
•
Accessories:
Do not use third party accessories with the ObservAir,
such as external battery packs, solar panels, etc. without first consulting
DST Technical Support.
•
Replacement parts:
Only use replacement parts provided by DST or an
authorized DST distributor.
•
Disassembly:
Never disassemble the unit, this voids the warranty and
may result in permanent damage to the unit and/or harm to the user.
Please contact DST Technical Support at
regarding any
problems with your unit that cannot be resolved with the instructions
provided in this manual.
13
ObservAir
®
Operating Manual
3.
Operating Instructions
3.1.
Hardware overview
The ObservAir is shown in Figure 4 below. The sample air inlet and outlet
nozzles are located on the front panel, and are denoted by arrows facing
towards and away from each nozzle, respectively. The SD card slot and USB
port are also located next to one another on the sensor’s front panel. In
Figure 4, the aerosol filter tab protrudes from its dedicated slot through the
front panel, as it does during normal operation. On top of the sensor, there
is a thumbscrew for securing the aerosol filter tab, and the interactive LED
button for sensor control and feedback.
Figure 4.
Overview of the ObservAir. Isometric view.
The serial number is engraved on the sensor’s bottom surface. Please
include this serial number when contacting DST technical support.
Figure 5.
Bottom view of the ObservAir
Interactive LED Button
Thumbscrew
Aerosol filter tab
Inlet nozzle
Outlet nozzle
SD card
USB Port
Serial Number