Amplivox 202

Amplivox Otowave 202

The Amplivox Otowave 202 provides fast, objective middle ear measurements to assist with the identification of middle ear disorders in neonates, children and adults.

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Otowave 202 Supplies

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Tympanometry Measurements

  • Probe tone and accuracy: 226Hz +/-2%; 85dBSPL +/-2dB 1000Hz +/-2%; 79dBSPL +/-2dB (202-H only) over ear canal volume range
  • Pressure range and accuracy: +200daPa to -400daPa +/-10daPa or +/-10% (whichever is larger) over range 0.1ml to 5ml
  • Direction of sweep: Positive to negative
  • Volumetric range and accuracy: 226Hz: 0.2ml to 5ml 1000Hz: 0.1ml to 5ml +/-0.1ml or +/-5% (whichever is larger)
  • Analysis performed: Admittance peak level in ml (226Hz) or mΩ (1000Hz) & pressure at peak; Gradient in daPa (for 226Hz); Ear Canal Volume (ECV) @ 200daPa

Reflex Measurements

  • Reflex Type: Ipsilateral, contralateral or both
  • Reflex Frequencies: Ipsilateral and contralateral: User-selectable from: 500Hz, 1kHz, 2kHz & 4kHz (+/-2%)
  • Reflex Levels: Ipsilateral: 70dBHL to 100dBHL (+/-3dB) Contralateral: 70dBHL to 110dBHL (+/-3dB)
  • Reflex detection threshold: 0.01ml to 0.5ml +/-0.01ml (configurable in 0.01ml steps) 
  • Analysis performed: Reflex maximum amplitude and pass/fail at each test level

Key Features:

  • Fast, accurate impedance measurements
  • Choice of 226Hz or 1000Hz tympanometry probe tone (202-H)
  • Programmable ipsilateral reflex tests
  • Programmable contralateral reflex tests
  • Separate admittance, susceptance and conductance measurements (202-H)
  • Totally portable
  • Intuitive use
  • User defined results recording options
  • Large graphics display

Data management

  • Internal database: 16 patient records with patient record identifier
  • Printing from connected printer: Designated high speed portable thermal printer using a wireless, infrared connection (IrDA 9600 baud) is available as an option
  • PC database interface: The Amplivox NOAH Impedance module is included for data transfer to a NOAH database using a USB connection
  • Viewing and printing from a PC: The Amplivox TympView application is available to transfer data to a PC using a USB connection and then view and print the test results

Physical Data

  • Power: Mains: 100-240Vac; 50/60Hz via Amplivox mains adapter (approved to medical safety standards) Batteries: 4 x AA (either Alkaline or NiMH, the latter recharged external to the instrument)
  • Dimensions (mm): Base unit: 190 long x 85 wide x 40 high (excluding connections) Probe: 130 long x 25 (max) diameter
  • Weight: Base unit: 330g (without batteries, using mains power); 430g (with batteries) Probe: 110g (including connecting cable)


  • Safety: IEC 60601-1 (including national requirements for US and Canada)
  • EMC: IEC 60601-1-2
  • Impedance: IEC 60645-5 Type 2 tympanometer ANSI S3.39 Type 2 tympanometer
  • CE Mark: Complies to EU Medical Device directive