Interacoustics Affinity 2.0 Gebrauchsanweisung Seite 17

Affinity
Real Ear
Measurement Stimulus:
section:
Frequency
Resolution:
Stimulus Signal:
Intensity Accuracy:
Measurement
Intensity Range:
Probe microphone:
Reference
microphone:
Line Out 1-4:
Minimum Load
Impedance:
Available tests:
Specifications
Affinity 2.0
Hardware:
General: 1.2 GHz Pentium 4 class CPU (or better) with at least 512 MB ram, CD-ROM drive, USB
connector.
PC requirements:
Display: minimum resolution of 1024x768 with hardware accelerated DirectX/Direct3D graphics card.
Disc Space: At least 1 GB available space
System RAM: 128 MB
Supported Systems: Windows XP or Windows Vista
HIT440, AC440 and REM440.
Available modules:
NOAH: 3.0
Computer
Built-in USB1.1 computer interface.
Communication:
Painted metal cabinet bottom and moulded plastic top.
Construction:
Power: AC 50/60 Hz. 100 - 240V.
Fuses: 5 x 20 mm, 2 AT
2.0
Instruction for Use - English
Date: 2008-10-03
UL 2601-1
CAN/CSA-C22.2 No. 601.1-M90
EN 60601-1-1
Frequency range: 100Hz – 10kHz
Frequency accuracy: ± 1 %
Frequency distortion: ≤ 2%
Intensity range: 40 – 90 dB
Intensity accuracy: ± 1.5 %
1/3, 1/6, 1/12, 1/24 octave or 1024 point FFT.
Warble Tone, Pure Tone, Random noise, Pseudo random noise, Band
limited white noise, Chirp, ICRA, Real Speech, any other sound file
(automatic calibration available).
± 1.5 dB
Probe microphone 40-145 dB SPL ± 2 dB.
Intensity: 40 – 140 dB
Intensity: 40 – 100 dB
100-10000 Hz
4.7 kΩ
REUR
REIG
RECD
REAR
REAG
REOR
REOG
REUG
Input - Output
Cross talk in the probe and probe tube will alter the obtained results with
less than 1 dB at all frequencies.
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