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Resonance R14O

Resonance R140 Portable OAE Hearing Screener

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GENERAL SPECIFICATIONS

DIMENSIONS AND WEIGHT

  • L x W x H: 180 x 135 x 41 mm
  • Net weight: 450 g
  • Case: ABS

DISPLAY

  • 7” TFT resistive touch screen display
  • 800 by 480 resolution at 133 pixels per inch (ppi) 262K colors

DATA TRANSFER

  • Bluetooth 2.1

COMMUNICATION PORT

  • No. 1 USB slave
  • No. 1 USB Host (pen drive connection for software upgrading)

POWER

POWER SUPPLY

  • Built-in 3.6 V/3.1 Ah rechargeable lithium-ion battery
  • External Medical power supply/charger: Input 100 – 240 V ac / 0.3 A – 50/60 Hz; Output +5 V dc / 2 A

BATTERY LIFE  RECHARGEABLE BATTERY 

  • Up to 3 hours of continuous testing
  • Charge time with external medical power supply: 80% in 2 hours. Charging cradle provided as a standard.

ENVIRONMENTAL CONDITIONS

OPERATING ENVIRONMENT

  • Storage temperature: from -20 to +50°C
  • Operating temperature: from +15 to +35°C
  • Humidity: up to 90%, (non-condensing)
  • Ambient pressure: from 700 hPa to 1060 hPa

COMPLIANCE/REGULATORY STANDARDS

Designed, tested and manufactured to meet the following European and International Standards:

  • EN 60645-6
  • Safety: EN 60601-1
  • EMC: EN 60601-1-2

TEOAE

SAMPLE RATE

  • 24 bit 44,1ksps

STIMULUS LEVEL

  • 70 – 90 dB pe SPL

STIMULUS RATE

  • 66 Hz

WINDOW OF ANALYSIS

  • 512 samples (3 – 15 ms)

TEST TIME

  • 500 to 1250 stimuli (from 30 to 75 s)

STIMULATION PROTOCOL

  • non-linear click

ACQUISITION BANDWIDTH

  • from 750 Hz to 5 kHz

ARTEFACT LEVEL

  • from 20 to 60 dB SPL

TEOAE SCREENING

RESPONSE DETECTION

  • Statistical analysis of signal polarity

PROTOCOLS

  • 3 user definable

TEOAE DIAGNOSTIC

RESPONSE DETECTION

  • User defined stop criterion SNR 3, 6 or 9 dB, in minimum 2 and maximum 5 of the 5 available frequency bands.

FREQUENCY BANDS

  • 1, 1.5, 2, 3, 4 kHz

PROTOCOLS

  • 3 user definable

DPOAE

FREQUENCY RATIO F2/F1

  • 1,22

F2 FREQUENCIES

  • 1.5 – 12 kHz, user definable from 2 to 15

L2 STIMULUS LEVEL

  • 30 – 70 dB SPL

L1 STIMULUS LEVEL

  • User definable: automatic (L1=0,4*L2+39 dB), L1=L2, L1=L2+10 dB

ARTEFACT LEVEL

  • from 0 to 40 dB SPL

FREQUENCY RESPONSE DETECTION

  • User defined stop criterion SNR 3, 6 or 9 dB for each frequency

RESPONSE DETECTION

  • From 2 to the number of enabled frequencies

FREQUENCY TEST TIME

  • Customisable by User from 2 to 16 s

PROTOCOLS

  • 2 pre-set (70dB e 65-55dB), 3 user definable

MEASUREMENT TYPES

Screening and Diagnostic Testing

TEOAE

  • 0.7 to 5 kHz, Stimulus 70-90 dB pe SPL

DPOAE

  • 1.5 to 12 kHz, 30 to 70 dB SPL

PROBE

  • Connector: LEMO push-pull, circular
  • Description: Integrated microphone and receivers in probe head and Calibration data stored in the probe
  • Cable length: 130 cm
  • Weight: 5 g
  • Ear tips: Disposable multi-size Resonance ear tips

CRADLE

  • For battery charging and desktop use

DATA

  • Over 1,000 tests in the unit
  • Internal database: Available and with possibility of reviewing test results
  • Transfer to PC: via Bluetooth 2.1

STANDARD ACCESSORIES

  • OAE Probe
  • Medical Power supply
  • MDS Software suite
  • Disposable Ear Tips starter kit
  • Calibration Cavity
  • User’s Manual
  • Carrying bag
  • Pen Drive
  • Touch screen pen

OPTIONALS

  • Wi-Fi printer
  • External keyboard
  • USB Video otoscope
  • Wallmount kit
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