Hit440 Software - Technical Specifications - Interacoustics Callisto AC440 Instructions For Use Manual

3.4.1 HIT440 software - Technical specifications

Medical CE-mark
Hearing Aid Analyzer
Standards
Frequency Range
Frequency Resolution
Frequency Accuracy
Stimuli
Sweep Speed
FFT
Stimuli intensity range
Intensity accuracy
Measurement Intensity
Range:
Stimulus Distortion:
Available tests:
Pre-Programmed Protocols:
Compatible Software:
D-0101246-M – 2020/05
Callisto™ - Instructions for Use - US
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.
IEC 60118-0, IEC 60118-7, ANSI S3.22.
100-10000Hz.
1/3, 1/6, 1/12 and 1/24 octave or 1024-point FFT.
< ± 1 %
Warble tone
Pure tone
Narrow band noise
Random noise
Pseudo random noise
Pink noise
White noise band limited
Speech noise
Chirp
1,5 – 80 sec.
Resolution 1024-points.
Averaging: 10 – 500.
40-100 dB SPL in 1 dB step.
< ± 1.5 dB
Probe microphone 40-145 dB SPL ± 2 dB.
< 1 % THD.
Additional tests can be designed by user
OSPL90
Full On Gain
Input/output
Attack/Recovery Time
Reference Test Gain
Frequency Response
Equivalent Input Noise
HIT440 software comes with a set of Test Protocols loaded.
Additional Test Protocols can be designed by user, or easily
imported into the system.
Noah 4, OtoAccess® and XML compatible
ISTS
ICRA
Real speech
IFFM
IF Noise
/SS/
/SH/
Custom sound files (automatic
calibration available)
Harmonic Distortion
Intermodulation Distortion
Microphone Directionality
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