Technical Specifications - Interacoustics OtoRead Instructions D'utilisation

OtoRead Instruction for Use - English
"The technical specifications provided here covers the general aspects of the instrument, while more
specific details are found in the Service Manual and Operation Manual in English"
STANDARDS
EMC
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.
PROBE SPECIFICATIONS
Measurement Type
Frequency Range
DPOAE Stimulus Intensity Range: 40 to 70 dB SPL
TEOAE Stimulus Intensity Range: 83 dB SPL (±3 dB)
Maximum Output (protection) : 90 dB SPL
Microphone System Noise
Stimulus Sampling Rate
INSTRUMENT SPECIFICATIONS
Power Supply
Battery Life
Instrument Weight
PRINTER SPECIFICATIONS
Type
Speed
Operating Noise
Weight
Power Supply
Input
Output
Paper
PROCESSOR SPECIFICATIONS
Digital Signal Processor
Storage
Battery Backup
CODEC
Display
Switches
MAXIMUM SPL
The maximum sound pressure level output of this instrument remains well below 90 dB
SPL throughout the audible frequency range of 20 Hz to 20 kHz. This level is well within
OSHA permissible limits of 90 dBA for 8 hours.
Microphone Frequency Response (Nominal) System Noise Floor (Nominal)
All manuals and user guides at all-guides.com
Date: 2004-03-24

Technical Specifications

: Conforms to EN 60601-1-2.
: Distortion Product Otoacoustic Emissions (DPOAE) or
Transient Evoked Otoacoustic Emissions (TEOAE)
: 1.5 to 12 kHz (DPOAE) 0.7 to 4 kHz (TEOAE)
: -20 dB SPL @ 2 kHz (1 Hz bandwidth) /
-13 dB SPL @ 1 kHz (1 Hz bandwidth)
: 31,250 Hz
: (4) AA/UM-3/R6 cells - Alkaline (6 V total)
: Approximately 300 tests
: 300 g/10.6 oz. including batteries
: Thermal dot matrix line printer
: >10 lines per second
: <50 dB SPL
: 845 g/1.9 lbs. including power supply
: EN 60950
: 100-240 V~, 50-60 Hz, 0.8A
: +7 V, 5.0 A
: Calculator-type thermal roll – 57 mm/2.25" wide
: Motorola 56303 24-bit 66 MHz 3.3 V
: 2 Mbit Flash EEPROM (non-volatile)
: 0.1F 5.0 V (approx. 24 hours)
: 18 bit D/A, 18 bit A/D 96 dB SNR typical
: 4 line x 10 character STN liquid crystal
: Membrane keypad 1 million + actuation
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