Interacoustics Affinity 2.0 Gebrauchsanweisung Seite 14

Affinity
Line Out 1-4:
Minimum Load
Impedance:
Available tests: Test Box:
Test box:
PreProgrammed
Protocols:
Specifications AC440
module:
Audiometer
Standards:
Calibration:
EMC:
Safety:
Maximum Hearing
Audiometer:
Levels:
Tolerances:
Distortion Levels:
2.0
Instruction for Use - English
Date: 2008-10-03
Mercury 401
Silver 13
Silver 312
Silver 76
100-10000 Hz
4.7 kΩ
IEC118, ANSI 3.22, Custom
OSPL90
Full On Gain
Input/Output
Attack/Recovery Time
Reference Test Gain
Frequency Response
Equivalent Input Noise
Harmonic Distortion
Intermodulation Distortion
Battery Current Drain
Microphone Directionality
Coil Frequency Response
Coil Harmonic Distortion
Coil Full-On Gain Response
Built in test box holds telecoil drive as well as special dual speaker set for
checking directional microphone function.
HIT440 module comes with a set of Test Protocols loaded. Additional Test
Protocols can be designed by user, or easily imported into the system.
: Tone: EN60645-1/ANSI S3.6 Type 1
Speech: EN60645-2/ANSI S3.6 Type A or A-E
AC: ISO389-1
ISO389-2
BC: ISO389-3
EN 60601-1-2
EN 60601-1, Class I, Type B
UL 2601-1
CAN/CSA-C22.2 No. 601.1-M90
EN 60601-1-1
AC
(dBHL)
Hz TDH39
125 90
250 110
500 120
750 120
1000 120
1500 120
2000 120
3000 120
4000 120
6000 120
8000 110
The tolerances for the sound pressure levels are ± 2 dB.
The tolerances for the vibration force levels are ± 5 dB.
Distortion levels are below 1.5 % for AC and 3 % for BC.
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1
10
10
5
AC (dBHL) BC NB
(dBHL) (dBHL)
EARTone3A B71 TDH 39
90 - 75
105 45 95
110 65 110
115 70 110
120 70 110
120 70 110
120 75 110
120 80 110
115 80 110
100 50 110
95 50 100
1.3
1.5
1.5
1.5
Extern
FF
(dBHL)
80
95
100
105
105
105
105
110
110
105
85