ECGMAC EM-1203 - Page 61

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Voltage fluctuations/
flicker emissions
IEC 61000-3-3
Complies
EMC guidance and manufacturer’s declarations - Electromagnetic emissions - For all the equipments and systems
EMC guidance and manufacturer’s declarations –Electromagnetic immunity
EM-1201/1202/1203 ECG Machine are intended for use in the electromagnetic environment specified
below. The customer or the user of EM-1201/1202/1203 ECG Machine 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
Lines
±1 kV for input/output
lines
±2 kV for power
supply lines
±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.
Power frequency
（50/60HZ）
IEC61000-4-8
3A/m 3A/m Power frequency magnetic
fields should be at levels
characteristic of a typical
location in 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
)
﹤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
)
Mains power quality
should be that of a typical
commercial or hospital
environment. If the user of
EM-1201/1202/1203 ECG
Machine Equipment
requires continued
operation during power
mains interruptions, it is
recommended that
EM-1201/1202/1203 ECG
Machine be powered from
an uninterruptible power
supply or battery.