D-0123234-D – 2020/05
Affinity Compact - Instructions for Use - EN
Page
51
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:
100-16000Hz.
Frequency resolution:
1/3, 1/6, 1/12 and 1/24 octave or 1024-point FFT.
Frequency rccuracy:
< ± 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:
4 – 22 sec.
FFT:
Resolution 1024 points.
Averaging: 1sec – 1200sec.
Stimulati intensity range:
40-100 dB SPL in 1 dB step.
Intensity accuracy:
100Hz – 200Hz: < ± 3 dB
200Hz - 8000Hz: < ± 1.5 dB
8000Hz – 16000Hz: < ± 5 dB
Measurement intensity
range:
100Hz – 200Hz: 40-145 dB SPL ± 3 dB
200Hz - 8000Hz: 40-145 dB SPL ± 1.5 dB
8000Hz – 16000Hz: 40-145 dB SPL ± 5 dB
Stimulus distortion:
70 dB SPL: < 0.5%THD
90 dB SPL: < 2 % THD
Battery voltage accuracy:
± 50mV
Battery current accuracy:
± 5%
Battery simulator:
Standard and custom types are selectable
Standard battery
Impedance[Ω]
Voltage[V]
Zinc air 5
8.2
1.3
Zinc air 10
6.2
1.3
Zinc air 13
6.2
1.3
Zinc air 312
6.2
1.3
Zinc air 675
3.3
1.3
Mercury 13
8.0
1.3
Mercury 312
8.0
1.3
Mercury 657
5.0
1.3
Mercury 401
1.0
1.3
Silver 13
8.2
1.5
Silver 312
10.0
1.5
Silver 76
5.1
1.5
Custom types
0 – 25
1.1 – 1.6
