4
TECHNICAL SPECIFICATIONS
4.1.1
Random incidence and free-field correction
f
Free field cor. Diffuse field cor.
in Hz
in dB
in dB
25
0
0
31.5
0
0
40
0
0
50
0
0
63
0
0
80
0
0
100
0
0
125
0
0
160
0
0
200
0
0
250
0
0
315
0
0
400
0
0
500
0
0
630
0
0
f
Free field cor. Diffuse field cor.
in Hz
in dB
in dB
0.8 k
0
0
1 k
0
0
1.25 k
-0.03
0
1.6 k
0.03
0
2 k
0.21
-0.1
2.5 k
0.36
-0.1
3.2 k
0.56
0
4 k
0.88
0.1
5 k
1.36
0.2
6.3 k
2.01
0.4
8 k
2.99
0.7
10 k
4.25
0.9
12.5 k
6.14
1.8
16 k
8.77
3.4
20 k
9.9
3.2
Table 4.4: Free-field and random incidence corrections
(manufacturer’s specification: measurement uncertainty at 95% certainty
±
0.6 dB)
4.1.2
Connection assembly of the detachable microphone
The microphone of Tango_Plus is detachable and connected to the analyser via LEMO plug FGG.1B.307 in
case FGC.1B.110.CZZ. The pin assignment is shown in figure 4.1.
Figure 4.1: Pin assignment for the detachable microphone
ATTENTION!
The detachable microphone must be used only with the matched
Tango_Plus! Otherwise warranty is lost and it may be damaged.
Manual Tango_Plus
44 of 47
SINUS Messtechnik GmbH
