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DATA POINT: LOCATION:
SOUNO PRESSURE LEVEL (Lp) MEASUREMENT
.. ------------
TOTAL Lp: "LINEAR" -
"A-WT." -
--------------
- - ---
LI
SOUND PRESSURE MEASUREMENT ACCORDING TO THIRD OCTAVES j4 -
Hz
"Lin."
"A"
HZ
tilL4in-- . ii
"A"
20
25 31.5 40 50
63 80 100 125 160 200 250
315 400 500 630 800
40 --
--
u
64 --A/--JV 44 50
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n
30
4!
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7L
54
44 - .
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IS 41 0
Z { $
1000
1250 1600 2000 2500
3150 4000 5000 6300 8000 10,000 12,500
16,000 20,000 25,000 31,500 40,000
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43 4<2
37 . 5/_ 50
45 . .. 43 .
41 44
42
43
40
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Instrument used for measurement:
ZL( / V-/4/6
Calibration values before measurement: @250 Hz
@1000 Hz -
Calibration values after masurement: @250 Hz
@.1500 Hz
Date of Measurement:
:Measurements taken by
1/3/H-
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