e3 Diagnostics

e3 Diagnostics offers the most advanced, state-of-the-art tympanometers on the market. Whatever your middle-ear testing needs are, rest assured that you will be able to effectively execute them with one of these stellar audiological instruments.



Meeting the strict demands of today’s clinics and hearing specialists, the MAICO MI 44 performs a range of diagnostic tests in both manual and automatic modes.

In addition to an adjustable probe, this MAICO tympanometer features a detachable probe tip and an indicator light to signal a proper seal so the test can begin.


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We understand that you have a choice when it comes to choosing your equipment and are dedicated to providing you with the highest quality instrumentation available.Contact us now for your free, no obligation quote and discover why we are the preferred Authorized Distributor and Service Provider to the world’s leading manufacturers.  (Completing our online form does not sign you up for electronic advertising.)

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Type: Class 2 acc. to ANSI S3.39


Test frequency: 226, 678, 800, 1000 Hz ± 2%

Test level: 85 dBSPL in 2 cm3 at 226 Hz; 85 dBSPL at 678, 800, 1000 Hz

Pressure range: Automatic: +200 to -400 daPa

Manual: +300 to -600 daPa

Volume range: 0.1 to 6.0 ml

Accuracy: ± 10 % or ± 10 daPa

Test time: Less than 3 seconds

Compliance range: 0 to 3.0 ml



  • Graphical reflex display
  • Immediate pass/fail results
  • Reflex decay testing
  • Eustachian tube testing (intact and perforated)
  • Adjustable comfort probe
  • LCD screen display
  • Quiet, fast internal printer
  • Multiple test results stored for each patient
  • Setting and protocols can be customized
  • Selectable tympanometric pressure ranges
  • Selectable tympanometric pump speeds