Interacoustics affinity 2.0 - Maintenance; General Maintenance Procedures

Affinity Instructions for Use - US Page 47
HIT440 Software - Technical Specifications
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.
Hearing Aid Analyzer Standards:
IEC 60118-0, IEC 60118-7, ANSI S3.22.
Frequency Range:
100-10000Hz.
Frequency Resolution:
1/3, 1/6, 1/12 and 1/24 octave or 1024 point FFT.
Frequency Accuracy:
Less than ± 1 %
Stimulus Signal:
Warble Tone, Pure Tone, Random noise, Pseudo random noise, Band limited white
noise, Chirp, ICRA, Real Speech, any other sound file (automatic calibration
available).
Sweep Speed:
1,5 – 12 sec.
FFT:
Resolution 1024 points.
Averaging: 10 – 500.
Stimulation Intensity Range:
40-100 dB SPL in 1 dB step.
Intensity Accuracy:
Less than ± 1.5 dB
Measurement Intensity Range:
Probe microphone 40-145 dB SPL ± 2 dB.
Stimulus Distortion:
Less than 1 % THD.
Battery Simulator:
Standard and custom types are selectable
Standard battery Impedance[Ω] Voltage[V]
Zinc air 5 8 1.3
Zinc air 10 6 1.3
Zinc air 13 6 1.3
Zinc air 312 6 1.3
Zinc air 675 3.5 1.3
Mercury 13 8 1.3
Mercury 312 8 1.3
Mercury 657 5 1.3
Mercury 401 1 1.3
Silver 13 10 1.5
Silver 312 10 1.5
Silver 76 5 1.5
Custom types 0 – 25 1.1 – 1.6
Available tests:
Additional tests can be designed by user
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
Pre-Programmed Protocols:
HIT440 software comes with a set of Test Protocols loaded. Additional Test
Protocols can be designed by user, or easily imported into the system.
Compatible Software:
Noah 3.7, Noah 4,, OtoAccess
TM
and XML compatible