g.tec medical engineering GmbH
g.HIamp, USB Biosignal Amplifier: Instruction for use
V2.16.01
page 36
The g.HIamp is intended for use in the electromagnetic environment specified below.
The customer or the user of the g.HIamp should assure that it is used in such an environment.
Immunity test
IEC 60601 test level Compliance level
Electromagnetic environment
- guidance
Electrostatic discharge
IEC 61000-4-2
± 6 kV contact
± 8 kV air
± 6 kV contact
± 8 kV air
Floors should be wood,
concrete or ceramic tile. If
floors are covered with
synthetic material, the
relative humidity should be at
least 30 %.
Electrical fast
transient/burst
IEC 61000-4-4
± 2 kV for power
supply lines
± 1 kV for
input/output
lines
± 500 V for power
supply lines
all other < 3 m
Mains power quality should
be that of a typical
commercial or hospital
environment.
Surge
IEC 61000-4-5
± 1 kV differential
mode
± 2 kV common
mode
± 1 kV differential
mode
± 2 kV common mode
Mains power quality should
be that of a typical
commercial or hospital
environment.
Voltage dips, short
interruptions and voltage
variations on power
supply input lines
IEC 61000-4-11
< 5 % U
T
(> 95 % dip in U
T
)
for ½ cycle
40 % U
T
(60 % dip in U
T
)
for 5 cycles
70 % U
T
(30 % dip in U
T
)
for 25 cycles
< 5 % U
T
(> 95 % dip in U
T
)
for 5 s
< 5 % U
T
(> 95 % dip in U
T
)
for ½ cycle
40 % U
T
(60 % dip in U
T
)
for 5 cycles
70 % U
T
(30 % dip in U
T
)
for 25 cycles
< 5 % U
T
(> 95 % dip in U
T
)
for 5 s
Mains power quality should
be that of a typical
commercial or hospital
environment. If the use of the
g.HI amprequires continued
operation during power
mains interrupts, it is
recommended that the g.HI
ampbe powered from an
uninterruptible power supply
or a battery.
Power frequency
(50 Hz/60 Hz)
magnetic field
IEC 61000-4-8
3 A/m
3 A/m
Power frequency magnetic
fields should be at levels
characteristic of a typical
location in a typical
commercial or hospital
environment.
NOTE
U
T
is the a.c. mains voltage prior to application of the test level.