55
Guidance and manufacturer‘s declaration – electromagnetic immunity
The
SunTech 247
is intended for use in the electromagnetic environment specified below.
The customer or the user of the
SunTech 247
should assure that it is used in such an
environment.
Immunity test IEC 60601 test
level
Compliance level
Electromagnetic environment –
guidance
Electrostatic
discharge
(ESD) 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
±1 kV for
input/output lines
±2 kV for power
supply
±1 kV for
input/output lines
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 0, 5 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 sec
<5%
U
T
(>95% dip
in
U
T
for 0, 5 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 sec
Mains power quality should be
that of a typical commercial or
hospital environment. If the user
of the
SunTech 247
requires
continued operation during
power mains interruptions, it is
recommended that the
SunTech
247
be powered from an
uninterruptible power supply or
a battery.
Power
frequency
(50/60 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 commercial or
hospital environment.
NOTE
U
T
is the AC mains voltage prior to application of the test level
In the event of a power loss to the device, all user settings are saved. The device will power-
up with the same settings as prior to the power loss. The device does not store patient data.
