9. .
.
,
.
10. - .
130 .
11.
.
12. ,
().
" ".
13. ,
. A
82 dB(A).
14. .
15. , .
4.
, B-L
() B-R () (8). . ,
.
5.
Nebidrse jai bckse so japji lpasaqim. .
1,5 V AA (1) .
.
, .
130 .
6.
Bilsom ELECTO / ELECTO HF .
,
, ,
.
7.
Bilsom ELECTO / ELECTO HF PPE 89/686/EEC
EN 352-1:2002 / EN 352-3:2002 / EN 352-4:2001.
. ELECTO:
. ELECTO HF:
ELECTO Deolma earhmirgy rluxma le sgm ISO 4869-1:1990, ISO 4869-2:1992
(re mejq kesotqcae sa gkejsqomij re diajop)
Rlvmsgsa, Hz
Lrg Enarhmirg, dB
Jamomij Apjkirg, dB
Amalemlemg Pqorsara re, dB (APV)
H=30 dB
ELECTO HF Deolma earhmirgy rluxma le sgm ISO 4869-1:1990, ISO 4869-2:1992
(re mejq kesotqcae sa gkejsqomij re diajop)
Rlvmsgsa, Hz
Lrg Enarhmirg, dB
Jamomij Apjkirg, dB
Amalemlemg Pqorsara re, dB (APV)
H=27 dB
23140S03, Finnish Institute of Occupational Health, Department of Physics,
Topeliuksenkatu 41 aA, FI-00250 Helsinki, Finland (Notified body no 0403).
0301149, BGIA (0121) DE-53754 Sankt Augustin, Germany
63
125
-
15.5
-
2.1
-
13.4
M=25 dB
63
125
13.3
14.7
4.0
3.6
9.3
11.1
M=25 dB
250
500
1000
21.6
29.7
28.5
2.8
3.8
18.8
25.9
24.9
L=20 dB
250
500
1000
20.7
29.8
27.7
2.3
2.9
18.4
26.9
25.0
L=19 dB
41
2000
4000
30.5
39.3
3.6
2.7
4.6
27.8
34.7
SNR=28 dB
2000
4000
27.1
36.4
2.7
2.6
3.3
24.5
33.1
SNR=27 dB
8000
42.7
3.7
39.0
8000
39.2
5.1
34.1