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Interacoustics Otoread Portable OAE audiometry screening system

$1,800.00
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Interacoustics Otoread Portable OAE audiometry screening system
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Interacoustics Otoread Portable OAE audiometry screening system

PROBE SPECIFICATIONS:
- Measurement Type: Distortion Product Otoacoustic Emissions (DPOAE) and/or Transient Evoked Otoacoustic Emissions (TEOAE)

- Frequency Range: 1.5 to 12 kHz (DPOAE) 0.7 to 4 kHz (TEOAE)

- 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: -20 dB SPL @ 2 kHz (1 Hz bandwidth) / -13 dB SPL @ 1 kHz (1 Hz bandwidth)  Stimulus Sampling Rate: 31,250 Hz

INSTRUMENT SPECIFICATIONS:
- Power Supply: (4) AA/UM-3/R6 cells - Alkaline (6 V total)
- Battery Life: Approximately 300 tests
- Instrument Weight: 300 g/10.6 oz. including batteries

PRINTER SPECIFICATIONS:
- Type: Thermal dot matrix line printer
- Speed: >10 lines per second. Full printout both ears approx. 7 sec.
- Operating Noise: <50 dB SPL
- Weight: 845 g/1.4 lbs. including power supply
- Power Supply: EN60950
- Input: 100-240 V~, 50-60 Hz, 0.8A
- Output: +7 V, 5.0 A
- Paper: Calculator-type thermal roll – 57 mm/2.25" wide

PROCESSOR SPECIFICATIONS:
- Digital Signal Processor: Motorola 56303 24-bit 66 MHz 3.3 V
- Storage: 2 Mbit Flash EEPROM (non-volatile)
- Battery Backup: 0.1F 5.0 V (approx. 24 hours)
- CODEC: 18 bit D/A, 18 bit A/D 96 dB SNR typical
- Display: 4 line x 10 character STN liquid crystal
- Switches: Membrane keypad 1 million + actuation

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