Measuring
Running and Stopping
EVM Series User Manual
Particulates
Will display max.
and low peaks in
logged data
chart.
CO
2
data
Figure 5-3: Sample time history data (or logged data) chart
Running and Stopping
When running a session, the pump will automatically turn on during your logging/run if particulate is
enabled. (This is explained in the Particulate setup section.) At any time, you can turn the pump off
(disable) if you are not measuring particulates or the environment is extremely dirty and you want to
keep the pump clean. Simply press the particulate key (as indicated in Figure 2-2) to turn this feature
off. To page through the measurement screens, press ◄/► Arrows.
NOTE: For particulates ensure the impactor is well-greased before measuring (see “Impactor Care”
for details).
Running and Stopping measurements
1. From the start screen or any of the measurement screens, press the Run/Stop
key to begin
measuring.
A 5 second countdown will appear with a run message (in pause mode) when the particulate
setting is enabled.
2. Press and hold the Run/Stop
key to stop measuring.
Run mode
Level values for each
sensor
Shortcut: Press Enter
key to toggle through
different measurement
units.
Figure 5-4: Composite measurement screen in run mode
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