5
Operation and settings
60
5200-en_V2.0_06/20
Parameter
Meaning
Explanation
After calibration, verify that the displayed status is “auto.” Oth-
erwise data may not be saved correctly or the device does
not start up automatically after a power failure.
An error is also indicated if the aerosol sensor is defective
and no PM values are being measured (all values = 0).
Status log
The
Status log
on the right side of the screen shows activities occurring
on the device, along with the date and time.
Display
Meaning
a [auto mode]
Standard device operating mode
c [calibration mode]
During calibration the data is labeled as
c
and not considered for the
evaluation.
i [idle]
The device is in
idle
mode and is not measuring any data.
m [manual mode]
The device is in “manual” mode.
s [scope mode]
The electronic oscilloscope, which can analyze single signals, is acti-
vated.
No measurements occur during this time.
e [distribution invalid]
The measured particle size distribution is invalid.
o [above 10% coincidence]
The concentration was so high that more than 10% of the values
were measured in coincidence, meaning that more than one particle
was in the detection volume at the same time.