Interacoustics Sera - Page 76

D-0112389-I – 2022/04
Sera™ - Instructions for Use - EN Page 70
General
Dimensions Sera
TM
15.8 x 8.3 x 1,9 cm / 6.2 x 6.2 x 0.7 inches
Sera
TM
Weight
265 g / 0.5 lbs
User Interface:
Resistive Touch Screen
Display Size:
9.5 x 5.6 cm, color, 272 x 480 resolution
Data Interfaces:
Wireless
Transmit frequency: 2400 – 2483.5 MHz
Modulation types: GFSK, π/4-DQPSK and 8DPSK
Radiated power: 2.5 mW (Class 2)
User Feedback:
Integrated speaker
Language Settings:
English, German, Spanish, French, Italian, Portuguese,
Dutch, Polish, Finnish, Romanian, Russian, Chinese,
Korean, Turkish, Norwegian, Japanese.
Battery
Type:
Li-ion battery 44794; Capacity: 3.7V/3850 mAh
Expected life time:
Depending on use – typically more than 3 years
Memory
1 GB (max. 250 Patient can be stored with 50 tests
each)
Connector
Omnetics 12-pin connector
Preamplifier weight
85 g / 0.19 lbs
Preamplifier
dimensions
8.5 x 0.5 x 2.5 cm / 3.4 x 0.2 x 0.9 inches
Printer
Thermal printer
(Optional)
Type:
HM-E200
Connection:
Wireless
Battery:
Rechargeable Li-polymer, DC 7.4 V, 1300 mAh
Charger:
AC 100 – 240 V, ~50/60 Hz, 1.0 A
Weight:
234 g / 8.3 oz
Paper:
Thermal paper
Thermal labels (103 per roll)
Paper width:
58 mm (width) on thermal printer
56 mm x 60 mm (width x length) on label printer
Printing time:
Max. 100mm/s. Printing time depends on the size of the
used protocol.
ABRIS
Preamplifier
One Channel:
3 electrodes, 51 cm, 20’’
Gain:
65 dB (72 dB nom.)
Frequency response:
0,5 - 5000 Hz
Noise:
<25 nV/√Hz
CMR Ratio:
> 100 dB at 100 Hz
Sample rate:
22.05 kHz
Max input offset
voltage:
2.5 V
Input impedance:
10 MΩ/ 250 pF
Power from main unit:
Isolated power supply
Electrical Impedance
measurement
Measurement
frequency:
33 Hz
Waveform:
Rectangular
Measurement current:
11.25 μA
Range:
0.5 kΩ – 50 kΩ ± 10 %
Stimulus
Stimuli:
CE-Chirp® (200 Hz – 11 kHz), Click (200 Hz – 11 kHz)
Stimulus rate:
90 Hz
Transducers:
IP30 insert phone