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Interacoustics AC40 Gebrauchsanweisung Seite 190

Clinical audiometer
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AC40 RETSPL-HL Tabel
Transducer
DD45
10 Ω
Impedance
Coupler
6ccm
RETSPL
Speech
Speech Equ.FF.
Speech Non-linear
Speech noise
Speech noise Equ.FF.
Speech noise Non-linear
White noise in speech
22.5
DD45 (G
-G
) PTB-DTU report 2009-2010.
F
C
TDH39 (G
-G
) IEC60645-2 1997.
F
C
HDA280 (G
-G
) PTB report 2004
F
C
HDA200 (G
-G
) ANSI S3.6 2010 and ISO 389-8 2004.
F
C
HDA300 (G
-G
) PTB report 2013.
F
C
Norway Speech level IEC60645-2 1997+20dB (acoustical linear weighting)
Norway Speech Equivalent free field level (G
Norway Speech Not linear level 1 kHz RETSPL (DD45-TDH39-HDA200-HDA300) and EAR 3A – IP30 – CIR22/33 - B71- B81
IEC60645-2 1997 +20dB (no weighting)
Transducer
Impedance
Coupler
Max HL
Speech
Speech Equ.FF.
Speech Non-linear
Speech noise
Speech noise Equ.FF.
Speech noise Non-linear
White noise in speech
Norway Speech RETSPL
TDH39
HDA280
10 Ω
37 Ω
6ccm
6ccm
Artificial ear
RETSPL
RETSPL
40
40
40
3.5
0.5
6.5
6
7
7.5
40
40
40
3.5
0.5
6.5
6
7
7.5
22.5
22.5
-G
) from IEC60645-2 1997 (acoustical equivalent sensitivity weighting)
F
C
Norway Speech max HL
DD45
TDH39
HDA280
10 Ω
10 Ω
37 Ω
6ccm
6ccm
6ccm
Artificial ear
Max HL
Max HL
90
90
80
115
120
110
120
120
120
80
80
75
115
115
105
115
115
120
95
95
95
HDA200
HDA300
EAR3A
40 Ω
23 Ω
10 Ω
Artificial ear
2ccm
RETSPL
RETSPL
RETSPL
40
40
3.5
1
5.5
2
40
40
40
3.5
1
5.5
2
40
22.5
22.5
22.5
HDA200
HDA300
EAR3A
40 Ω
23 Ω
10 Ω
Artificial ear
2ccm
Max HL
Max HL
Max HL
70
75
100
110
110
120
80
65
70
95
110
105
120
70
90
95
85
IP30
EAR5A
CIR22/33
10 Ω
10 Ω
68 Ω
2ccm
2ccm
2ccm
RETSPL
RETSPL
RETSPL
40
40
40
40
40
40
22.5
22.5
22.5
IP30
EAR5A
CIR22/33
10 Ω
10 Ω
68 Ω
2ccm
2ccm
2ccm
Max HL
Max HL
Max HL
80
80
70
70
70
70
85
85
85
B71
B81
10 Ω
12.5 Ω
Mastoid
Mastoid
RETFL
RETFL
75
75
75
75
57.5
57.5
B71
B81
10 Ω
12.5 Ω
Mastoid
Mastoid
Max HL
Max HL
40
40
30
30
55
60

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