Interacoustics Eclipse EP25 - Technical Specifications TEOAE

D-0120588-B – 2019/03
Eclipse – Instructions for Use - EN Page 129
11.3 Technical specifications TEOAE
Medical CE-mark:
The Medical CE mark indicates that Interacoustics AS meets the requirements of Annex II of the
Medical Device Directive 93/42EEC. Approval of the quality system is made by TÜV –
identification no 0123.
Standards:
Test signal
IEC 60645-3:2007
OAE
TEOAE IEC 60645-6:2009, Type 1 & 2 Otoacoustic emissions
Stimulus:
Type:
Click Non-linear
Bandwidth:
500 – 5500 Hz
Level:
30 to 90 dB peSPL, peak to peak calibrated, AGC controlled
Level Step:
1 dB SPL
Transducer:
Dedicated DPOAE/TEOAE probe (Accuracy 0.5 dB)
Recording:
Analysis time:
5 seconds to 30 minutes
Sampling frequency
30 kHz
A/D Resolution:
16 bit, 3.7 Hz resolution
Artifact Reject System:
0 to +60 dB SPL or off Applicable during testing
SNR Criteria:
Adjustable between 5 and 25 dB
Display gain:
General Display gain:
Applicable during testing
OAE Probe Specifications:
Probe:
Application:
TEOAE measurements
Dimensions:
(W x D x H) 12 x 26 x 11 mm (exc. Eclipse)
Weight:
3 g (exc. Cable, exc. Eclipse)
39 g (incl. cable, exc. Eclipse)
Cable:
Length:
2980 mm cable
Note ! The OAE probe is dedicated to one Eclipse only! Calibration is stored on the Eclipse. Replacing the
OAE transducer will require new calibration of the transducer connected to the Eclipse.
TEOAE Calibration:
Probe stimuli are calibrated in peSPL values using the IEC 711 ear simulator coupler made in accordance to
IEC 60318-4.