A&D TM-2655P - Page 35

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Guidance and manufacturer’s declaration – electromagnetic immunity
The A&D unit is intended for use in the electromagnetic environment specified below. The customer
or the user of the A&D unit 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
line to line
±2 kV
line to earth
± 1 kV
line to line
±2 kV
line 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 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
Mains power quality should be
that of a typical
commercial or hospital
environment. If the user of
the A&D unit requires
continued operation during
power mains interruptions, it is
recommended that the A&D
unit 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
location in a typical
commercial or hospital
environment.
NOTE : U
T
is the AC mains voltage prior to application of the test level.