SINUS Tango Plus - Random Incidence and Free-Field Correction; Connection Assembly of the Detachable Microphone

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