Reference Equivalent Threshold Values For Transducers; Maximum Hearing Level Settings Provided At Each Test Frequency - Interacoustics AS608 Instructions D'utilisation

Reference Equivalent Threshold Values for transducers

Calibration TDH39
standard
ISO 389-1: 1998
Coupler IEC60318-3:
standard 1998
Frequency [dB re. 20 µPa]
[Hz]
125 45.0
250 25.5
500 11.5
750 7.5
1000 7.0
1500 6.5
2000 9.0
3000 10.0
4000 9.5
6000 15.5
8000 13.0

Maximum hearing level settings provided at each test frequency

Frequency Air Conduction
Hz
TDH39
125 70
250 90
500 100
750 100
1000 100
1500 100
2000 100
3000 100
4000 100
6000 100
8000 90
AS608 - Instructions for Use - EN
TDH39 DD65 v2
ANSI S3.6: 2004 ANSI S3.6 208
ANSI 9A IEC60318-1
[dB re. 20 µPa] [dB re. 20 µPa]
45.0 30,5
25.5
11.5
8.0
7.0
6.5
9.0
10.0
9.5
15.5
13.0
Air Conduction Air Conduction
DD65 v2 DD45
70
90
100
100
100
100
100
100
100
85
70
DD45
PTB Test report
1.61- 4039503/09
IEC60318-3:
1998
[dB re. 20 µPa]
47.5
17 27.0
8 13.0
5,5 6.5
4,5 6.0
2,5 8.0
2,5 8.0
2 8.0
9,5 9.0
21 20.5
21 12.0
Air Conduction
HDA280
70 70
90 90
100 100
100 100
100 100
100 100
100 100
100 100
100 100
100 90
90 80
HDA280 Insert EARtone
PTB EAR3/EAR5
ISO389-2: 1994
IEC60318-3: 60318-5: 2006
1998
[dB re. 20 µPa] [dB re. 20 µPa]
38.5 26.0
25.0 14.0
13.0 5.5
9.0 2.0
7.5 0.0
9.5 2.0
8.0 3.0
6.5 3.5
9.5 5.5
19.0 2.0
18.0 0.0
Air Conduction Air Conduction
EARtone 3A EARtone 5A
70 70
90 90
100 100
100 100
100 100
100 100
100 100
100 100
100 100
95 95
70 80
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