AND UA-767 Plus BT-C Instruction Manual - Page 18
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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
Electrostatic
discharge (ESD)
IEC 61000-4-2
Electrical fast
transient/burst
IEC 61000-4-4
Surge
IEC 61000-4-5
Voltage dips, short
interruptions and
voltage variations
on power supply
input lines
IEC 61000-4-11
Power frequency
(50/60 Hz)
magnetic field
IEC 61000-4-8
NOTE : U
is the AC mains voltage prior to application of the test level.
T
IEC 60601
test level
± 6 kV
contact
± 8 kV
air
± 2 kV for power
supply lines
± 1 kV
for input/output
lines
± 1 kV
differential mode
±2 kV
common mode
< 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
3 A/m
Compliance
level
± 6 kV
contact
± 8 kV
air
n.a.
± 1 kV
differential mode
±2 kV
common mode
< 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
3 A/m
16
Electromagnetic
environment – guidance
Floors should be wood,
concrete or ceramic tile.
If floors are covered with
synthetic material, the
relative humidity should
be at least 30%.
Mains power quality
should be that of a typical
commercial or hospital
environment.
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.