Result display:
Averaged waveform, no. of TEOAE peaks and overall
Pass/Clear Response
or
Refer/No Clear Response
. On
Refer/No Clear Response
also probe fit assist-
ant, noise level, artifact level and stability level.
Display:
Statistical waveform, measurement progress, TEOAE detection level, noise
level
DPOAE
Evaluation method:
Noise-weighted phase statistics
Stimulus:
Primary tone pair, F2/F1 = 1.24
Available test frequencies:
F2 = 1, 1.5, 2, 3, 3.5, 4, 5 and 6 kHz
Default test frequencies:
F2 = 2, 3, 4 and 5 kHz (
Pass/Clear Response
at 3 out of 4)
Available test levels:
L1/L2 = 60/50 dB SPL and L1/L2 = 65/55 dB SPL
Test level:
L1/L2 = 60/50 dB SPL or 65/55 dB SPL
Default test level:
L1/L2 = 60/50 dB SPL
Test display:
DP-Gram, DPOAE level, noise level, test progress
Result display:
Overall
Pass/Clear Response
or
Refer/No Clear Response
, DP-Gram with
DPOAE and noise level.
ABR
Evaluation method:
Noise-weighted averaging and template matching
Stimulus:
30, 35, 40 or 45 dB nHL chirp
Chirp rate:
78-82 chirps per second (randomised)
Impedance test range:
1 to 99 k
Ω
Impedance accepted for test:
< 12 k
Ω
Impedance control:
Before test, periodically during test, stimulus continues during impedance con-
trol
Test display:
Statistical graph, impedances, ABR detection probability, EEG-level and test
progress
Result display:
Statistical graph, impedances, EEG-level and overall
Pass/Clear Response
or
Refer/No Clear Response
.
Electrodes:
Disposable hydrogel electrodes
App. 3.3
Device
MADSEN
AccuScreen
is
type
1077
from
Natus Medical Denmark A/S
.
Dimensions
Approx.
200 x 73 x 34 mm (7.9 x 2.9 x 1.3 inches)
Otometrics - MADSEN AccuScreen
95
App. 3 Technical Specifications