App.
EMC information
93
BF-190 Series OPERATION MANUAL
Guidance and manufacturer’s declaration — Electromagnetic
immunity
This model is intended for use in the electromagnetic environment specified below. The
customer or the user of this model 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
Contact:
2, 4, 6kV
Air:
2, 4, 8kV
Same as left Floors should be made of wood, concrete, or
ceramic tile that hardly produces static. If
floors are covered with synthetic material that
tends to produce static, the relative humidity
should be at least 30%.
Electrical fast
transient/burst
IEC 61000-4-4
2kV
for power supply lines
1kV
for input/output lines
Same as left Mains power quality should be that of a typical
commercial (original condition feeding the
facilities) or hospital environment.
Surge
IEC 61000-4-5
Differential mode:
0.5, 1kV
Common mode:
0.5, 1, 2kV
Same as left 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
Same as left Mains power quality should be that of a typical
commercial or hospital environment. If the
user of this instrument requires continued
operation during power mains interruptions, it
is recommended that this instrument be
powered from an uninterruptible power supply
or a battery.
40% U
T
(60% dip in U
T
)
for 5 cycle
70% U
T
(30% dip in U
T
)
for 25 cycle
< 5% U
T
(> 95% dip in U
T
)
for 5 seconds
Power frequency
(50/60 Hz)
magnetic field
IEC 61000-4-8
3 A/m Same as left It is recommended to use this instrument by
maintaining enough distance from any
equipment that operates with high current.
Definition U
T
is the a.c. mains voltage prior to application of the test level.
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