Neuro-Audio (Technical Manual)
40
Table 3 (continued)
Parameter
Value
f2/f1 DPOAE frequency ratio
1.1–1.3
Stimulus 3rd order intermodulation
-80 dB
General parameters and specifications
Interface
USB
Supply voltage:
·
electronic
units
·
desktop PC-based computer
·
notebook PC-based computer
5 V DC
220/230 V AC (50 Hz)
220/230 V AC (50 Hz) / int. battery
Ingress protection
IP20 in compliance with EN 60529
Supply voltage of bone conduction amplifier unit:
·
battery
·
power supply unit
o
model
o
power voltage
o
output voltage
Li-ion, 3.7 V
PSU-9
100-240 V AC, 50/60 Hz
9 V DC
Dimensions:
·
Neuro-Audio
electronic unit
·
bone conduction amplifier unit
190
´
140
´
50 mm
235
´
63
´
166 mm
Weight:
·
Neuro-Audio
electronic unit
·
bone conduction amplifier unit
< 0.9 kg
< 0.2 kg
Climatic conditions
Operating conditions:
·
temperature
·
relative
humidity
·
atmospheric
pressure
from +15ºC to +35ºC
30%–90ºC, non condensing
from 98 kPa to 104 kPa
Transportation conditions:
·
temperature
·
relative
humidity
·
atmospheric
pressure
from - 25ºC to +60ºC
20%–95ºC, non condensing
from 70 kPa
Storage conditions:
·
temperature
·
relative
humidity
·
atmospheric
pressure
from +5ºC to +40ºC
30%–85%, non condensing
70–106 kPa
Warm-up time
2 minutes
Safety and electromagnetic compatibility
Safety standard
EN 60601-1:2006/A1:2013
Working with PC
Class I
Working with notebook (built-in rechargeable battery)
Internal power supply
Applied parts
BF type
Electromagnetic compatibility standard
EN 60601-1-2:2015