m2m Germany GmbH | Am Kappengraben 18-20 | 61273 Wehrheim | 06081 5873860
When
the
sensor
is
not
installed
at
the
sea
level,
the
reading
of
barometric
pressures
at
other
elevations
must
be
compensated.
Set
the
right
altitude
value
with
LoRa
Tool
app:
Value can be from -300 to 3000 meters.
Altitude can also be set with downlink command
3.4
Humidity
3.5
PM
The
PM
measurement
principle
is
based
on
laser
scattering.
This
technology,
together
with
high-quality
and
long-lasting
components,
enables
precise
measurements
from
its
first
operation
and
throughout
its
lifetime
of
more
than
ten
years
3.5.1
Mass
concentration/particles
number
As
default
particulate
matter
is
expressed
as
mass
concentration
(in
μg/m3
).
If
“Particles”
is
set
to
ON,
particulate
matter
is
expressed
as
number
concentration
(in
#/cm3
):