9
Grunnventilasjon
Diagram
1
Basic ventilation
L
pA
=
Det A-målte lydtrykksnivå ved 10 m
2
Sabin
L
WA =
Det A-målte lydeffektnivå relativt 1 pW
L
pA
=
The A-measured sound pressure level at 10 m
2
Sabin
L
WA =
The A-measured sound power level relatively 1pW
T2
Skyvespjeld stilling
Luftmengde,
lukket
spjeld (l/s)
Damper setting
Airflow, closed damper (l/s)
1
2
3
4
5
6
7
8
9
10
11
12
4,0
5,0
5,5
6,0
6,5
7,5
8,0
8,5
9,0
10,0
10,5
11,0
1
2
3
4
5
6
7
8
9
10
11
12
4,0
5,0
5,5
6,0
6,5
7,5
8,0
8,5
9,0
10,0
10,5
11,0
For evt. måling av luftmengder, se egen anvisning.
For measurement of airflows, see separate
instructions.