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Guidance and manufacturer’s declaration – electromagnetic immunity
The VPAP III ST-A is intended for use in the electromagnetic environment specified below. The
customer or the user of the VPAP III ST-A should assure that it is used in such an environment.
Immunity test
IEC60601-1-2
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
Not Applicable
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
< 12 V
(>95% dip in 240 V)
for 0.5 cycle
96 V
(60% dip in 240 V)
for 5 cycles
168 V
(30% dip in 240 V)
for 25 cycles
<12 V
(>95% dip in 240 V)
for 5 sec
Mains power quality should
be that of a typical
commercial or hospital
environment.
If the user of the
VPAP III STA requires
continued operation during
power mains interruptions,
it is recommended that the
VPAP III ST-A be powered
from an uninterruptible
power source
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: Ut is the AC mains voltage prior to application of the test level.