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.
4.Verify the time and date is set correctly
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
•The example below illustrates the impactor set to PM 2.5.
PM 2.5
Align to impactor arrow
