Middle Ear Analyzer
Superiority
1.Tympanogram test, Complete/perforated eustachian tube functional test
2.Sound reflection test, Acoustic reflection attenuation test, Acoustic refles latency test
3.Quick test: Two user-defined quick tests can be generated, with the test time ≤60s
4.With the "Live View" feature, you can see a panoramic view of the test in progress on your computer screen
5.Color touch screen+touch button with working mode
Technical parameters
Probe tone
226Hz(85dB SPL)
678Hz, 800Hz, 1000Hz(optional)
Measuring range
Tympanogram: 0.2cm3~5cm3
Tympanum compensation diagram:0cm3~2cm3
Total hamornical distortion
Less-than 1%[226Hz(85dB SPL
Stimulation level reach 110dB, no more than±5%(Probe type earphone)
Auto test
Quick test A, B(Tympanogram & Acoustic reflection sequence)
Pressure range
-600 to +400 daPa
Pump pressure velocity Automatic range
15, 50, 100, 200, 300, 400, 600 daPa/s 200~600 daPa/sec
Pump control
Auto and manual
Tympanogram
Test mode: Acoustic admittance(Y), Acoustic susceptance(B), Acoustic conductance(G)
Large pressure: -600~+400 daPa
Eustachian tube
Testing of intact tympanic membrane and Eustachian tube
Testing of perforated tympanic membranes and Eustachian tubes
Acoustic reflex
Test mode: Fixed strength, Automatic threshold, Increasing strength, Manual
Maximum permissible error: No more than ±1%
Acoustic attenuation test
Acoustic refles latency test(ARLT)