Align to Impactor Arrow
PM 2.5
3
Overview of running measurements
Quick Help List: typical gas, particulates, or air quality measuring overview
1. Turn the EVM on and check the battery power.
2.
Reset/Clear
memory, if necessary (
Start\File System
menu). This will clear out data history
before your logging begins to ensure you have sufficient memory space.
3. Set-up your session parameters either in Quest Detection Management Software (
DMS
)
or via the instrument’s
Setup screen
.
4. Verify the time and date is set correctly (
Setup\Time-Date
menu).
5. Calibrate each sensor/parameter via the
Calibration
screen.
6. Place the EVM in a specific location for area monitoring.
7. Press the key to Start logging.
8. When you are ready to end your logging, press key.
9. Review your results either on the instrument (via the File System screen) or download to DMS for
further analysis (graphs/charts, saving and printing).
Particulate Measurements
Particulate setup
1. To change particulate settings select:
Setup\Particulate
.
2. Particulate screen appears and includes the following adjustable fields:
+
Particulate
field (enable/disable pump collection),
Profile
field (applying a correction factor), and
Gravimetric mass/volume
fields (displays accumulated mass and air volume. These fields are
reset when performing gravimetric sampling.)
Adjusting the Impactor
To adjust the impactor, turn the turret until one of
the following is selected: PM2.5, PM4, PM10, or PM
(all dust ranging from 0 μm-100 μm).
+ The example (to right) illustrates the impactor
set to PM 2.5.
NOTE: The dialed-in impactor setting is displayed
on a particulate measurement screen or
calibration screen .
