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Máy trợ thính

Máy đo thính lực MI 34 H

Máy đo thính lực MI 34 H

Maico-Đức

 

 

MI 34 H with 1000 Hz High Frequency Probe Tone
 
Fast, automatic tests - Tympanogram in 3 seconds
 
Ipsi- and contralateral reflex tests with 4 frequencies
 
Reflex Decay Test
 
Eustachian tube function test for intact and perforated eardrums
 
Handheld, adjustable probe for diagnostic and screening purposes
 
Graphical realtime display
 
Fast, virtually silent printout of test results
Tympanometry mode
Probe frequency, intensity226 Hz ± 1%, 85 dB SPL into 2 cm3
High frequency (MI 34 H)1 kHz ± 1%
Pressure range+ 200 to - 400 daPa
Volume range0,1 to 6,0 ml
Accuracy± 5% or ± 10 daPa
Test time< 3 seconds
 
Reflex Mode
Test frequencies500, 1000, 2000, 4000 Hz ± 2%
Test methodipsilateral, contralateral
Intensities ipsilateral70 ... 105 dB HL
Intensities contralateral70 ... 120 dB HL with TDH 39 contra phone
Ipsilateral reflex testwith AGC
Intensity settingautomatic or manual
 
Reflex Decay Mode
Test time13 sec., 10 sec. auto tone present
 
Eustachian Tube Mode
Pressure range+ 300 to - 400 daPa
 
General
StandardIEC 601-1,IEC 645-5 class 1, medical directive 93/42/EEC, CE 0124
Test programReflex test selectable
MemoryStorage of test results for both ears
MenuFor adapting to individual needs (Pump speed, accuracy, reflex mode etc.)
ProbeLightweight adjustable hand-held probe with built-in control light and switch
Printerfast, virtually silent thermal printer
Print time4 s / 12 s (Test results of both ears)
DisplayGraphic LCD-Display, contrast adjustable
PC-interfaceUSB
Power supplyMains 100 ... 240 V~, 50/60 Hz, 25 VA
Dimension and weightW x D x H: 39 x 29 x 11 cm / 2,6 kg