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Welch Allyn MICROTYMP 4 User Manual

Welch Allyn MICROTYMP 4
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Welch Allyn MicroTymp® 4 Tympanometer
User Manual
DIR 80024157 Ver A Page 20
The Gradient, in daPa (Gr)
The Ear Canal Volume (ECV) in ml measured at 200 daPa
A plot of admittance against pressure
The normalized rectangle showing the ideal location for the tympanogram peak
Review the tympanogram to ensure that the peak admittance point selected by the MicroTymp
4 is suitable. If required, it is possible to select an alternative peak using the and keys. The
figures displayed will change to reflect the peak selected and will be saved with the
tympanogram.
To repeat the test, press .
When satisfied with the tympanogram press .
If the reflex test was carried out the results will now be displayed:
The display shows:
The frequency of the reflex stimulus
if a reflex was found, otherwise “X
The lowest level of tone (dBHL) at which a reflex was found
A trace of the admittance change against time
If the reflex test was performed at a single frequency use the and keys to view the results
for each of the reflex tone levels used. If the reflex test was performed at more than one
frequency use the and keys to view the results for the other frequencies.
If the MicroTymp 4 was set to test for a reflex at all levels of the stimulus (see Reflex Autostop)
press to view an additional display following the reflex graphs. This shows a summary of the
levels and frequencies at which a reflex was detected. The dash symbol -is shown if a reflex
tone was not presented at the level indicated.

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Welch Allyn MICROTYMP 4 Specifications

General IconGeneral
BrandWelch Allyn
ModelMICROTYMP 4
CategoryMeasuring Instruments
LanguageEnglish

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