AT235
Middle ear assessment made ideal
The AT235 is an automatic middle ear analyzer ideal for both diagnostic and clinical evaluations. The device also includes pure tone audiometry and the Modified Hughson Westlake audiometry test.
- +400 to -600 daPa
- Direct printing to PC printers
- User-defined protocols
- HDMI output
- Child distraction function
Test batteries
AT235 combines tympanometry and basic audiometry in one powerful device. Choose between two versions.
Basic
AT235
- 226 Hz tympanometry.
- Ipsilateral acoustic reflex testing.
- Contralateral acoustic reflex testing.
- Eustachian tube function (ETF) test in non-perforated tympanic membranes.
- ETF test in perforated tympanic membranes.
- Reflex Decay.
- Pure tone audiometry.
- Modified Hughson Westlake audiometry test.
Extended
AT235
- Basic AT235.
- 678, 800 and 1000 Hz tympanometry.
- Manual tympanometry.
- ETF test Patulous Eustachian tube (PET).
- Reflex Latency.

Great overview of test results
The 10" adjustable color display provides a great overview of the measurements where you can see several test results on the same screen.

Flexible use and mounting
You can use AT235 as a desk unit or wall-mounted unit.
- Internal memory that can store up to 500 clients and 50,000.
- Optional SYNC model for integration with OtoAccess® or Noah.
- You can connect a printer to the AT235 eliminating the need for a PC.
- Child distraction function to help distract children while obtaining tympanograms and acoustic reflexes. AT235 can present a train moving across the lower part of the screen.
- Optional carrying case.
Dedicated probe systems
The AT235 includes either a diagnostic probe or a clinical probe system to fit your needs.
The diagnostic probe is hand-held and ideal for quick tymps and a screening reflex.
The clinical probe is ideal for more lengthy exams where stability is important and noise from rattling should be avoided.
You can choose to have both probe systems included with your AT235. It is quick and easy to change between the two probe systems. The clinical probe shoulderbox can be placed on the client by using the optional headband, clips or key hanger.
Probe status is displayed on the probe shoulderbox for both probe systems which enables you to keep focus on the client. The probe has a button for remote change of ears – this also applies to both probe systems.
Both probe systems are very easy to take apart for cleaning.


Customizable protocols
AT235 offers the possibility to create user-defined test protocols by combining different tests from the test battery into one test flow. For instance you can create a simple screening procedure and a more in-depth evaluation.
Avoid wasting time with different client types as each test protocol can have separate test limits to meet the need of a specific client types.
Child distraction
To help distract children while obtaining the tympanogram and reflex measures, the AT235 can present a train moving across the lower part of the screen.
Reduced number of buttons
Few dedicated buttons on the AT235 make it easy to navigate between various functions. Function buttons with changing help texts on the screen guide you to navigate efficiently.
Printing options
You can print directly from the AT235 to a small 3” printer or a standard printer, eliminating the need for a PC if you just want to print your measurement. If you download the data to OtoAccess® Database or Noah, you can generate printouts through your PC.
Combined printing and reporting
The Print Wizard combines audiometric, impedance and fitting data for full client reporting.
Unlimited customizable templates are useful alternative templates for different test applications.
- Supports several languages
- Retrieve client demographics from OtoAccess® Database and Noah
- Merge audiometric and impedance test data onto a single page
- Text field for session observations and conclusions
- Insert bitmaps, such as clinic logos
- Individual session dates
- Highly configurable symbols for quick reference
Need support or training?
Check out the latest training material.
Contact your local distributor
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