Guidance and Manufacturer’s Declaration - Electromagnetic Immunity
The Echo Devices are intended for use in the electromagnetic environment specified below. The
customer or user of the Echo Devices should assure that they are 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
The Echo Devices must emit
electromagnetic energy in order to
perform their intended function.
Nearby electronic equipment may
be affected.
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 line(s) to
line(s)
± 2 kV line(s) to
earth
± 1 kV line(s) to
line(s)
± 2 kV line(s) to
earth
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 s
<5 % U
T
(>95 % dip in U
T
)
for 10ms
40 % U
T
(60 % dip in U
T
)
for 100ms
70 % U
T
(30 % dip in U
T
)
for 500ms
Mains power quality should be
that of a typical commercial or
hospital environment.
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 location in a
typical commercial or hospital
environment.
NOTE U
T
is the a.c. mains voltage prior to application of the test level.
NORTHSTAR ECHO USER’S MANUAL
© 2018 JTECH Medical MN065_N
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