BRUEL & KJAER 4230 Instructions And Applications page 11

Sound level
[dB]
±
0.05dB/100
mbar
94.3
94.2
[/~
vW$ 0
[/~
[/~
~
v~
[/~ W#~
~& I) ~
...
94.1
vW§#~ V ~ffi
vt///~ vW#/~
~
~
17 [/
[/~~ ~~ vW~ v~//~ ~ ~
~c.: l/
94
~
/ 8//#/~
~/ffi0. [/ ~
~#//; ~~
~~
93.9
~///; /,~
~~
93.8
93.7
500
600 700 800
900 10010 1100
1013
/691..57
atmospheric pressure [m bar]
Fig. 3:2. Sound level depending on the Atmosphere pressure.
Sound level
[dB]
±
0.25dB
±
0.35dB
0/50°
±
O.SOdB
94.6 +----+---+-----+----+------1
94
93.4
~----~----~------~----~------+--+
0
10 20 30 40 50
/691.56
ambient temperature
[oc]
Fig. 3.3. Sound pressure level.
9