41
Smarty 2R VE / 2R VE plus
www.salda.lt
min. 50 cm
min. 60 cm
150 cm
max. 400m
2
Where the channel CO
2
transmitter is used: it must be
installed in the extract air duct. Tool for drilling holes are
required for its installation.
CO
2
concentration [ppm]
3000
Effect on an individual
2500
2000
Reduced concentration, drowsi-
ness, headache, etc.
1500
1000
Pettenkofer limit
Pettenkofer limit Disturbs
500
Pleasant
0
0
1
2
3
4
Duration of the presence in the room in hours
Cl
o
sed
wi
nd
o
ws
Co
ntr
olled
v
e
n
ti
la
t
ion
Outdoor air