Technical Specification - Interacoustics OtoRead Operation Manual

Technical Specification

STANDARDS
EMC: Conforms to IEC 60601-1-2.
Safety: Conforms to IEC 60950
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: Distortion Product Otoacoustic Emissions
(DPOAE) or Transient Evoked Otoacoustic Emissions (TEOAE)
Frequency Range: 2 to 6kHz (DPOAE) 1.5 to 4 kHz (TEOAE)
DPOAE Stimulus Intensity: 65/55 dB SPL
TEOAE Stimulus Intensity: 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: 50 to 80 mm/second. Full printout both ears approx. 7
sec.
Operating Noise: <50 dB SPL
Weight: 197 g (~200 g incl. battery without paper)
Power Supply: 7.4 V lithium battery or mains 100 to 24 V 50/60
Hz
Paper: width = 56mm +/- 1 mm (2.2 in. +/- 0.04 in.)
OtoRead Screener Technical Specification Page 42