Interacoustics Equinox 2.0 - Page 152

Affinity
2.0
Additional Information Page 142
Technical Specifications of the AC440 Software
Medical CE-mark:
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.
Audiometer Standards:
Tone: IEC60645-1/ANSI S3.6 Type 1
Speech: IEC60645-2/ANSI S3.6 Type A or A-E
Transducers & Calibration:
Calibration information and instructions are located in the Service manual.
Check the accompanying Appendix for RETSPL levels for transducers
Air Conduction
DD45
PTB/DTU report 2009 Headband Static Force 4.5N ±0.5N
TDH39
ISO 389-1 1998, ANSI S3.6-2010 Headband Static Force 4.5N ±0.5N
HDA300
ISO 389-8 2006, ANSI S3.6-2010 Headband Static Force 8,8N ±0.5N
HDA280
PTB report 2004 Headband Static Force 5N ±0.5N
E.A.R Tone 3A/5A
ISO 389-2 1994, ANSI S3.6-2010
IP30
CIR 33
ISO 389-2 1994, ANSI S3.6-2010 DES-2361
ISO 389-2
Bone Conduction
Placemenet: Mastoid
B71
B81
ISO 389-3 1994, ANSI S3.6-2010 Headband Static Force 5.4N ±0.5N
ISO 389-3 1994, ANSI S3.6-2010 Headband Static Force 5.4N
±
0.5N
Free Field
ISO 389-7 2005, ANSI S3.6-2010
High Freqency
ISO 389-5 2004, ANSI S3.6-2010
Effective masking
ISO 389-4 1994, ANSI S3.6-2010
Patient Response switch:
Hand held push button.
Patient communication:
Talk Forw ard and Talk Back.
Monitor:
Output through external earphone or speaker.
Stimuli:
Pure tone, Wable tone,NB, SN, WN, TEN noise
Tone
125-20000Hz separated in tw o ranges 125-8000Hz and 8000-20000Hz.
Resolution 1/2-1/24 octave.
Warble Tone
1-10 Hz sine +/- 5% modulation
Wave file
44100Hz sampling, 16 bits, 2 channels
Masking
Automatic selection of narrow band noise (or w hite noise) for tone presentation and speech
noise for speech presentation.
Narrow band noise:
IEC 60645-1:2001, 5/12 Octave filter w ith the same centre frequency resolution as pure
Tone.
White noise:
80-20000Hz measured w ith constant bandwidth
Speech Noise.
IEC 60645-2:1993 125-6000Hz falling 12dB/octave above 1KHz +/-5dB
Presentation
Manual or Reverse. Single or multiple pulses. pulse time adjustable from 200mS-5000mS
in 50mS steps. Simultaneous or alternating.
Intensity
Check the accompanying Appendix for maximum output levels
Steps
Available Intensity Steps is 1, 2 or 5dB
Accuracy
Sound pressure levels: ± 2 dB.
Vibration force levels: ± 5 dB.
Extended range function
If not activated, the Air Conduction output w ill be limited to 20 dB below maximum output.
Frequency
Range: 125Hz to 8kHz (Optional High Freqency: 8 kHz to 20 kHz)
Accuracy: Better than ± 1 %
Distor tion (THD)
Sound pressure levels: below 1.5 %
Vibration force levels: below 3 %.
Signal Indicator(VU)
Time w eighting: 350mS
Dynamic range: -20dB to +3dB
Rectifier characteristics: RMS
Selectable inputs are provide w ith an attunuator by w hich the level can be adjusted to the
indicator reference position(0dB)
Storing capability:
Tone audiogram: dB HL, MCL, UCL, Tinnitus, R+L
Speech Audiogram: WR1, WR2, WR3, MCL, UCL, Aided, Unaided, Binaural, R+L.
Compatible Software:
Noah 4, Noah 3.7, OtoAccess
TM
and XML compatible