Survey Of Reference And Max. Hearing Level Tone Audiometer - Interacoustics AT235 Service Manual
Impedance audiometer
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- Instructions for use manual (1373 pages) ,
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Service Manual
AT235
6.4
Survey of reference and max. hearing level Tone Audiometer
ANSI DD45
Coupler: IEC 60318-3 1998 (6ccm)
Tone Audiometer
Tone
PTB – DTU 2010
Frequency
RETSPL
Max. HL
125
47.5
250
27.0
500
13.0
750
6.5
1000
6.0
1500
8.0
2000
8.0
3000
8.0
4000
9.0
6000
20.5
8000
12.0
White Noise
Table 2
ANSI TDH39
Coupler: ANSI S3.7-1995 (NBS-9A) /
IEC 60318-3 1998 (6ccm)
Tone Audiometer
Tone
ANSI S3.6-2010
Frequency
RETSPL
125
45.0
250
25.5
500
11.5
750
8.0
1000
7.0
1500
6.5
2000
9.0
3000
10.0
4000
9.5
6000
15.5
8000
13.0
White Noise
Table 4
ANSI EAR 3A / IP30
Coupler: ANSI S3.7-1995 (HA-2 with 5mm rigid Tube)
Tone Audiometer
Tone
ANSI S3.6-2010
Frequency
RETSPL
125
26.0
250
14.0
500
5.5
750
2.0
1000
0.0
1500
2.0
2000
3.0
3000
3.5
4000
5.5
6000
2.0
8000
0.0
White noise
Table 6
Narrow Band Noise
ISO 389-4 1994
RETSPL
Max. HL
85
51.5
65
105
31.0
85
120
17.0
100
120
11.5
105
120
12.0
105
120
14.0
105
120
14.0
105
120
14.0
105
120
14.0
105
110
25.5
95
105
17.0
95
0
120
Narrow Band Noise
ANSI S3.6-2010
Max. HL
RETSPL
Max. HL
85
49.0
70
105
29.5
90
120
15.5
105
120
13.0
105
120
13.0
105
120
12.5
105
120
15.0
105
120
16.0
105
120
14.5
105
120
20.5
100
105
18.0
95
0.0
120
Narrow Band Noise
ANSI S3.6-2010
Max. HL
RETSPL
Max. HL
90
30.0
85
105
18.0
100
110
9.5
105
115
7.0
110
120
6.0
110
120
8.0
110
120
9.0
110
120
9.5
110
115
10.5
105
100
7.0
95
90
5.0
90
0.0
110
IEC DD45
Coupler: IEC 60318-3 1998 (6ccm)
Tone Audiometer
Tone
PTB – DTU 2010
Frequency
RETSPL
Max. HL
125
47.5
250
27.0
500
13.0
750
6.5
1000
6.0
1500
8.0
2000
8.0
3000
8.0
4000
9.0
6000
20.5
8000
12.0
White Noise
Table 3
IEC TDH39
Coupler: IEC 60318-3 1998 (6ccm)
Tone Audiometer
Tone
ISO 389-1 1998
Frequency
RETSPL
Max. HL
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
White Noise
Table 5
IEC EAR 3A / IP30
Coupler: IEC 60318-5 2006 2ccm
Tone Audiometer
Tone
ISO 389-2 1994
Frequency
RETSPL
Max. HL
125
26.0
250
14.0
500
5.5
750
2.0
1000
0.0
1500
2.0
2000
3.0
3000
3.5
4000
5.5
6000
2.0
8000
0.0
White Noise
Table 7
Narrow Band Noise
ISO 389-4 1994
RETSPL
Max. HL
85
51.5
65
105
31.0
85
120
17.0
100
120
11.5
105
120
12.0
105
120
14.0
105
120
14.0
105
120
14.0
105
120
14.0
105
110
25.5
95
105
17.0
95
0
120
Narrow Band Noise
ISO 389-4 1994
RETSPL
Max. HL
85
49.0
70
105
29.5
90
120
15.5
105
120
12.5
105
120
13.0
105
120
12.5
105
120
15.0
105
120
16.0
105
120
14.5
105
120
20.5
100
105
18.0
95
0.0
120
Narrow Band Noise
ISO 389-4 1994
RETSPL
Max. HL
90
30.0
85
105
18.0
100
110
9.5
105
115
7.0
110
120
6.0
110
120
8.0
110
120
9.0
110
120
9.5
110
115
10.5
105
100
7.0
95
90
5.0
90
0.0
110
VII
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