Survey Of Reference And Max. Hearing Level Tympanometer - Interacoustics AT235 Service Manual
Impedance audiometer
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Also See for AT235:
- Instructions for use manual (1373 pages) ,
- Additional information (45 pages) ,
- Instructions for use manual (166 pages)
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Service Manual
AT235
6.5
Survey of reference and max. hearing level Tympanometer
DD45 Contra
Center
Att.
Frequency
setting
[Hz]
[dB HL
125
85
250
85
500
85
750
85
1000
85
1500
85
2000
85
3000
85
4000
85
6000
85
8000
75/70
WB
85
LP
85
HP
85
Table 10
IOW IPSI Sp.
Center
Att.
Frequency
Setting
[Hz]
[dB HL
125
85
250
85
500
85
750
85
1000
85
1500
85
2000
85
3000
85
4000
85
6000
85
8000
75/70
WB
85
LP
85
HP
85
Table 12
CIR 33 Contra
Center
Att.
Frequency
setting
[Hz]
[dB HL
125
85
250
85
500
85
750
85
1000
85
1500
85
2000
85
3000
85
4000
85
6000
85
8000
80/85
WB
85
LP
85
HP
85
Table 14
Reading
Tone
NB
[dB HL]
[dB HL]
75
60
100
85
115
100
120
105
120
105
120
100
115
100
125
105
115
105
110
90
105
95
-
120
-
120
-
120
Reading
Tone
NB
[dB HL]
[dB HL]
70
60
85
75
100
85
100
85
105
90
110
90
105
90
95
90
100
85
85
80
80
75
-
95
-
100
-
95
Reading
Tone
NB
[dB HL]
[dB HL]
90
70
100
85
110
100
110
105
115
105
115
105
115
105
115
105
110
100
95
95
75
80
-
115
-
115
-
115
TDH39 Contra
Center
Att.
Frequency
setting
[Hz]
[dB HL
125
85
250
85
500
85
750
85
1000
85
1500
85
2000
85
3000
85
4000
85
6000
85
8000
75/70
WB
85
LP
85
HP
85
Table 11
IP30 Contra / EAR 3A Contra
Center
Att.
Frequency
setting
[Hz]
[dB HL
125
85
250
85
500
85
750
85
1000
85
1500
85
2000
85
3000
85
4000
85
6000
85
8000
75/70
WB
85
LP
85
HP
85
Table 13
Reading
Tone
NB
[dB HL]
[dB HL]
80
65
100
85
115
100
120
105
120
105
120
105
120
105
120
105
120
105
120
100
105
95
-
115
-
120
-
115
Reading
Tone
NB
[dB HL]
[dB HL]
100
85
110
100
115
105
120
110
120
110
120
110
120
110
120
110
120
105
105
100
90
85
-
115
-
120
-
120
IX
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