Portable Diagnostic Tympanometer


The TY-101 is a battery-operated, portable diagnostic tympanometer that offers unparalleled flexibility and top-of-the-line features. With high frequency 1000 Hz tympanometry, ipsi- and contralateral acoustic reflex testing, a comprehensive assessment of middle ear functionality is at your fingertips. For further flexibility, the system can be also configured to measure otoacoustic emissions (OAEs), including FMDPOAE®, TEOAE, and pressurized OAEs. With these tests, the clinicians have access to an even more detailed assessment of patients' middle and inner ear function.

tympanometry device - portable tympanometer

Why Choose the TY 101 Portable Diagnostic Tympanometer 

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Portability and Convenience

Experience unparalleled flexibility with the Entomed TY-101 - a compact, stand-alone, portable diagnostic tympanometer that runs on battery power, allowing you to use it both in the clinic and on-the-go. 

Comprehensive Assessment

Comprehensive assessments are at your fingertips with the Entomed TY-101. Easily transition between 226 Hz tympanometry to acoustic reflexes, Otoacoustic Emissions, and more.

Ease of Use

With one probe for all tests, memory for up to 1000 patients/1000 tests, USB connectivity, thermal printer connection and its touch screen and intuitive interface, the Entomed TY-101 makes test administration easy and user-friendly.

Comprehensive Assessments performed with TY-101

The Entomed TY-101 is a portable, battery-operated diagnostic tympanometer that offers a variety of advanced features. 


Tympanometry at 226 Hz is a standard diagnostic test used to evaluate middle ear function for adults and children.  

1000Hz Tympanometry

Tympanometry at 1000 Hz is used to evaluate middle ear function for infants under 6 months of age as their middle ear resonance differs from adults. Clinicians can also glean more information regarding adult middle ear status with this method. 

Acoustic Reflexes

Acoustic reflexes measure the contraction of the stapedius muscle in response to loud sounds. As this process involves the cochlear nerve as well as the middle ear, it can provide diagnostic information throughout the auditory system. 

Acoustic Reflex Decay

Acoustic reflex decay examines the auditory system’s ability to maintain the muscle contraction seem in the acoustic reflex. This test is used to help differentiate between cochlear and retrocochlear pathology. 


Otoacoustic emissions, including distortion product (DPOAE) and transient evoked (TEOAE) measure the response from hair cells in the cochlear to soft sounds. Clinicians can obtain information on inner ear function using this method, even in individuals who cannot respond behaviorally

FMDPOAE® pressurized OAEs

Evaluate inner ear function despite middle ear pathology. With FMDPOAE pressurized OAEs, clinicians are able to obtain OAE results in individuals with negative middle ear pressure. 

Contralateral Acoustic Reflexes

Taking advantage of the acoustic reflex and the crossover that occurs in the auditory pathway, contralateral acoustic reflexes can help to differentiate between cochlear and retrocochlear pathologies. 

Technical Specifications

Transducers: One probe for all tests. Single-sided headset used for contralateral reflex testing.  

Tympanometry: 226Hz/1000Hz/Multi-frequency testing with 3d-tympanograms. 

Add ons possible: DPOAE, TEOAE, FMDPOAE pressurized OAEs  

Memory: Up to about 1000 patients/1000 tests (depending on test type)  

Connectivity: USB connection to PC for remote control and data transfer.  

Printing: Connection for thermal printer on device.  

Display: 240 x 320 resistive touch screen  

Dimensions: 150 x 210 x 45 mm, 475 g  

Power: Battery operated (8h battery life, rechargeable)  

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