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This Class 1 Sound Level Meter (including attached PRMLXT1 preamplifier and ADP005 18pF input adapter) was calibrated with a
reference 1kHz sine wave. The instrument's 1000.0 Hz filter response was then electrically tested using a 137.00 dBSPL sinewave
at selected frequencies as specified in IEC 61260-am1 (2001-09).
10.00
0.00
-10.00
-20.00
-30.00
-40.00
-50.00
-60.00
-70.00
-80.00
-90.00
-100.00
10
Freq
Measured
(Hz)
63.10
-88.46
125.89
-87.18
251.19
-81.81
501.19
-67.18
707.95
-3.11
771.79
-0.21
841.40
-0.00
917.28
-0.00
1000.00
U
t i ti
i
Tab. A-16: Bandpass Oktavfilter bei 1kHz.
Handbuch LxT
Sound Level Meter Model: LxT Serial Number: 0000033
Certificate of 1000.0 Hz Full Octave Filter Shape
100
Frequency (Hz)
Uncert
Limits
(dB)
(dB)
(dB)
0.10
-70.00, -inf
0.10
-61.00, -inf
0.10
-42.00, -inf
0.10
-17.50, -inf
0.10
-2.00, -5.00
0.10
+0.30, -1.30
0.10
+0.30, -0.60
0.10
+0.30, -0.40
0.00
0.10
+0.30, -0.30
d d
t i t
t 95%
1000
10000
Freq
Measured
(Hz)
(dB)
1090.18
0.00
1188.50
0.00
1295.69
0.01
1412.54
-3.15
1995.26
-91.94
3981.07
-91.92
7943.28
-90.84
15848.93
-91.27
fid
l
l (k 2)
100000
Uncert
Limits
(dB)
(dB)
0.10
+0.30, -0.40
0.10
+0.30, -0.60
0.10
+0.30, -1.30
0.10
-2.00, -5.00
0.10
-17.50, -inf
0.10
-42.00, -inf
0.10
-61.00, -inf
0.12
-70.00, -inf
A-17
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