Technical Specifications Of The Ac440 Software - Interacoustics Affinity 2.0 Mode D'emploi

3.2.4

Technical specifications of the AC440 software

Medical CE-mark:
Audiometer Standards:
Transducers & Calibration:
Air Conduction
DD45
TDH39
HDA300
DD450
HDA280
E.A.R Tone 3A/5A
IP30
CIR 33
Bone Conduction
B71
B81
Free Field
High Freqency
Effective masking
Patient Response switch:
Patient communication:
Monitor:
Stimuli:
Tone
Warble Tone
Wave file
Masking
Narrow band noise:
White noise:
Speech Noise.
Presentation
Intensity
Steps
Accuracy
Extended range function
Frequency
Distortion (THD)
Signal Indicator(VU)
Storing capability:
Compatible Software:
Affinity2.0 – Instructions for Use - EN
The CE-mark indicates that Interacoustics A/S meets the requirements of Annex II of the
Medical Device Directive 93/42/EEC. Approval of the quality system is made by TÜV –
identification no. 0123.
Tone: IEC60645-1/ANSI S3.6 Type 1
Speech: IEC60645-2/ANSI S3.6 Type A or A-E
Calibration information and instructions are located in the Service manual.
Check the accompanying Appendix for RETSPL levels for transducers
ISO 389-1 2017, ANSI S3.6-2018
ISO 389-1 2017, ANSI S3.6-2018
ISO 389-8 2006, ANSI S3.6-2010
ANSI S3.6-2018
PTB report 2004
ISO 389-2 1998, ANSI S3.6-2010
ISO 389-2 1998, ANSI S3.6-2018
ISO 389-2
Placemenet: Mastoid
ISO 389-3 2016, ANSI S3.6-2010
ISO 389-3 2016, ANSI S3.6-2010
ISO 389-7 2005, ANSI S3.6-2010
ISO 389-5 2004, ANSI S3.6-2010
ISO 389-4 1994, ANSI S3.6-2010
Hand held push button.
Talk Forward and Talk Back.
Output through external earphone or speaker.
Pure tone, Wable tone,NB, SN, WN, TEN noise
125-20000Hz separated in two ranges 125-8000Hz and 8000-20000Hz.
Resolution 1/2-1/24 octave.
1-10 Hz sine +/- 5% modulation
44100Hz sampling, 16 bits, 2 channels
Automatic selection of narrow band noise (or white noise) for tone presentation and speech
noise for speech presentation.
IEC 60645-1:2001, 5/12 Octave filter with the same centre frequency resolution as pure
Tone.
80-20000Hz measured with constant bandwidth
IEC 60645-2:1993 125-6000Hz falling 12dB/octave above 1KHz +/-5dB
Manual or Reverse. Single or multiple pulses. pulse time adjustable from 200mS-5000mS
in 50mS steps. Simultaneous or alternating.
Check the accompanying Appendix for maximum output levels
Available Intensity Steps is 1, 2 or 5dB
Sound pressure levels: ± 2 dB.
Vibration force levels: ± 5 dB.
If not activated, the Air Conduction output will be limited to 20 dB below maximum output.
Range: 125Hz to 8kHz (Optional High Freqency: 8 kHz to 20 kHz)
Accuracy: Better than ± 1 %
Sound pressure levels: below 1.5 %
Vibration force levels: below 3 %.
Time weighting:
Dynamic range:
Rectifier characteristics:
Selectable inputs are provide with an attunuator by which the level can be adjusted to the
indicator reference position(0dB)
Tone audiogram: dB HL, MCL, UCL, Tinnitus, R+L
Speech Audiogram: WR1, WR2, WR3, MCL, UCL, Aided, Unaided, Binaural, R+L.
Noah 4, OtoAccess® and XML compatible
Headband Static Force 4.5N ±0.5N
Headband Static Force 4.5N ±0.5N
Headband Static Force 8,8N ±0.5N
Headband Static Force 10N ±0.5N
Headband Static Force 5N ±0.5N
Headband Static Force 5.4N ±0.5N
Headband Static Force 5.4N ±0.5N
350mS
-20dB to +3dB
RMS
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