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26
SPECIFICATIONS
Guidance and manufacturer's declaration - electromagnetic immunity
The OM-4 is intended for use in the electromagnetic environment specified below.
The customer or the user of the OM-4 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, con-
crete 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.
Voltage dips, short
interruptions and
Voltage variations
on power supply
input lines
IEC 61000-4-11
<5% Ut
(>95% dip in Ut)
for 0.5 cycle
40% Ut
(60% dip in Ut)
for 5 cycles
70% Ut
(30% dip in Ut)
for 25 cycles
<5% Ut
(>95% dip in Ut)
for 5 sec
<5% Ut
(>95% dip in Ut)
for 0.5 cycle
40% Ut
(60% dip in Ut)
for 5 cycles
70% Ut
(30% dip in Ut)
for 25 cycles
<5% Ut
(>95% dip in Ut)
for 5 sec
Mains power quality should be
that of a typical commercial or
hospital environment. If the user
or the OM-4 requires continued
operation during power mains
interruptions, it is recommended
that the OM-4 be powered from
an uninterruptible power supply
or 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 environ-
ment.
NOTE Ut is the a.c. mains voltage prior to application of the test level.
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