e3 Diagnostics

Audiologists use tympanometry measurements to test the middle ear's mobility when changes in air pressure occur. Recorded on a graph called a tympanogram, the results of tympanometry tests offer information about air pressure in the middle ear. Middle-ear tympanometry helps audiologists diagnose hearing loss and recommend a solution such as a hearing aid.

From handheld tympanometers to desktop models that offer a complete range of middle ear tests, e3 Diagnostics has the tools you need. Our tympanometry devices will allow you to diagnose patients' hearing issues so they can improve their quality of life quickly. You can feel confident with our high-quality tympanometry equipment from respected manufacturers including MAICO, Interacoustics, Amplivox, and Grason-Stadler.

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.

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


Brochure

Otowave 202 Supplies

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Specifications

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

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)

Standards

  • 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