Environnement AS32M, Technical Manual, Page: 28 / 186

Environnement
S.A
AS32M
Duplication prohibited
AUGUST 2013
2–4
Correction of pressure and temperature : the cross section of NO
2
absorption

is 4.5*10
-19
cm
2
molec
-
1
, when
P
0
= 1013 hPa and
T
0
= 273 K. . By continuously monitoring the chamber pressure
P
and
temperature
T
values, the AS32M generates a real-time NO2 correction factor using the following
equation:
0
0
.
T
T
P
P
N N
corr

.