Interacoustics AD528 Manual De Instrucciones página 40

Transducer
Impedance
Speech Equ.FF.
Speech Non-linear
Speech noise
Speech noise Equ.FF.
Speech noise Non-linear
White noise in speech
DD45 (G -G ) PTB-DTU report 2009-2010.
F C
ANSI Speech level 12.5 dB + 1 kHz RETSPL ANSI S3.6 2010 (acoustical linear weighting)
ANSI Speech Equivalent free field level 12.5 dB + 1 kHz RETSPL – (G
(acoustical equivalent sensitivity weighting)
ANSI Speech Not linear level 1 kHz RETSPL ANSI S3.6 2010 (DD45) and IP30 - B71 12.5 dB + 1 kHz
RETSPL ANSI S3.6 2010 (no weighting)
Speech Equ.FF.
Speech Non-linear
Speech noise Equ.FF.
Speech noise Non-linear
White noise in speech
DD45 (G -G ) PTB-DTU report 2009-2010.
F C
IEC Speech level IEC60645-2 1997 (acoustical linear weighting)
IEC Speech Equivalent free field level (G
weighting)
IEC Speech Not linear level 1 kHz RETSPL (DD45) and IP30 - B71 IEC60645-2 1997 (no weighting)
Speech Equ.FF.
Speech Non-linear
Speech noise Equ.FF.
Speech noise Non-linear
White noise in speech
D-0121151-B – 2018/11
AD528 - Instructions for Use - EN
DD45
10 Ω
6ccm
Coupler
RETSPL
Speech 18.5
18.5
6
18.5
18.5
6
21
Transducer DD45
10 Ω
Impedance
6ccm
Coupler
RETSPL
20
Speech
3.5
6
20
Speech noise
3.5
6
22.5
-G ) from IEC60645-2 1997 (acoustical equivalent sensitivity
F C
DD45
Transducer
10 Ω
Impedance
Coupler 6ccm
Max HL
Speech 110
115
120
100
Speech noise
115
115
95
DD450 IP30
40 Ω 10 Ω
Artificial ear 2ccm
RETSPL RETSPL
19
18.5
5.5 12.5
19
18.5
5.5 12.5
21.5 15
-G
F C
DD450 IP30
40 Ω 10 Ω
Artificial ear 2ccm
RETSPL RETSPL
20
3.5
5.5 20
20
3.5
5.5 20
22.5 22.5
DD450 IP30
40 Ω 10 Ω
Artificial ear 2ccm
Max HL Max HL
90
100
110 100
85
95
105 90
90 85
B71
10 Ω
Mastoid
RETFL
55
55
57.5
) from ANSI S3.6 2010
B71
10 Ω
Mastoid
RETFL
55
55
57.5
B71
10 Ω
Mastoid
Max HL
60
50
55
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