Interacoustics OtoRead - Page 64

D-0116684-B – 2020/03
OtoRead™ - Instructions for Use - US Page 58
HDMI Connector for connection to the Micro-
Probe
Integrated Wireless + EDR with SPP Protocol
for communication with optional printer
Micro-Probe
Microphone System
Noise:
-20 dB SPL at 2 kHz (1 Hz bandwidth)
-13 dB SPL at 1 kHz (1 Hz bandwidth)
Dimensions and
Weight:
Length: 1.0 meter (40 in.)
Weight: 28 g (1.00 oz.)
Connector:
HDMI
Thermal Printer
(optional)
Type:
Sanibel MPT-II thermal wireless printer
Battery:
Lithium-Ion rechargeable
Paper width:
57.5 ± 0.5 mm on thermal printer
DPOAE
Stimulus
Frequency range:
1500 to 12000 Hz
Nominal frequency:
f2
Level:
40 - 70 dB SPL
Level Step:
1 dB
Transducer:
Probe auto detection, auto calibrated
Recording
Analysis time:
0.5, 1, 2 or 4 seconds per frequency
A/D Resolution:
16 bits
Stimulus tolerance:
± 3 dB
SNR criteria:
3 to 10 dB
Probe check
window:
1 sec.
DP-response
window:
0.5 – 4 seconds
Residual noise:
-20 dB SPL @ 2kHz, -13 dB SPL @ 1kHz, (1 Hz
bandwidth)
THD:
Acoustic test signal <0,1 %, cubic distortion* <
0,01 %.
*(Interactions between the two primary tones)
Measurement
Range:
-20 dB SPL – 89 dB SPL
Accuracy of
Measurement:
< ± 3 dB
Display
SNR and Value Graph, Norm data
Probe
specifications
OtoRead
TM
probe:
DPOAE and TEOAE capable
Replaceable probe tube
Other
Test Pressure
Ambient pressure