Interacoustics Callisto - HIT440 software - Technical specifications

D-0101246-Q – 2022/05
Callisto™ Instructions for Use - US Page 46
3.4.1 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 2015, IEC 60118-7 2005, ANSI S3.22 2014
Frequency Range
100-10000Hz.
Frequency Resolution
1/3, 1/6, 1/12 and 1/24 octave or 1024-point FFT.
Frequency Accuracy
< ± 1 %
Stimuli
Warble tone
Pure tone
Narrow band noise
Random noise
Pseudo random noise
Pink noise
White noise band limited
Speech noise
Chirp
ISTS
ICRA
Real speech
IFFM
IF Noise
/SS/
/SH/
Custom sound files (automatic
calibration available)
Sweep Speed
1,5 – 80 sec.
FFT
Resolution 1024-points.
Averaging: 10 – 500.
Stimuli intensity range
40-100 dB SPL in 1 dB step.
Intensity accuracy
< ± 1.5 dB
Measurement Intensity
Range:
Probe microphone 40-145 dB SPL ± 2 dB.
Stimulus Distortion:
< 1 % THD.
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
Microphone Directionality
Pre-Programmed Protocols:
HIT440 sof tware 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 4, OtoAccess® and XML compatible