Interacoustics Sera - Calibration reference values for the CE-Chirp stimulus; Calibration reference values for the click stimulus; Coupler types used for calibration

D-0112389-I – 2022/04
Sera™ - Instructions for Use - EN Page 74
7.3 Calibration reference values for the CE-Chirp® stimulus
Probe and insert stimuli are calibrated in SPL values using an ear simulator coupler made in accordance to
IEC 60318-4.
Transducer
peRETSPL [dB re. 20 μPa]
RadioEar IP30 with ear tips
31.5 dB SPL
RadioEar IP30 with EarCups
58.5 dB SPL
OWA probe
35 dB SPL
SnapPROBE
TM
34.1 dB SPL
Reference values f or the CE-Chirp
®
stimulus are Interacoustics standard values.
7.4 Calibration reference values for the click stimulus
Probe and insert stimuli are calibrated in SPL values using an ear simulator coupler made in accordance to
IEC 60318-4.
Transducer
peRETSPL [dB re. 20 μPa]
RadioEar IP30 with ear tips
35 dB SPL
RadioEar IP30 with EarCups
61.5 dB SPL
OWA probe
33.5 dB SPL
SnapPROBE
TM
37.4 dB SPL
7.5 Coupler types used for calibration
ABRIS:
Probe and insert stimuli are calibrated in SPL values using an ear simulator coupler made in accordance
with IEC 60318-4.
DPOAE:
Probe stimuli L1 and L2 are calibrated individually in SPL values using the IEC 711 ear simulator coupler
made in accordance with IEC 60318-4.
TEOAE:
Probe stimuli are calibrated in peSPL values using the IEC 711 ear simulator coupler made in accordance
with IEC 60318-4.