Vermeiren Pratic Mode D'emploi page 26

EN
The nursing bed is intended for operations in surroundings described below. The customer or the
user of the nursing bed needs to make sure that it will be operated in surroundings of this type.
Resistance
tests
Discharge of static
electricity (ESD)
pursuant to
IEC 61000-4-2
Quick stray
electrical
factors / bursts pursuant
to
IEC 61000-4-4
Surges
pursuant to
IEC 61000-4-5
Voltage drops,
Short-term disruptions
and
Fluctuations in the
supply voltage
pursuant to
IEC 61000-4-11
Magnetic field for the
Supply frequency
(50/60 Hz) pursuant to
IEC 61000-4-8
NOTE V is the grid alternating voltage before applying the test level.
T
Guidelines and manufacturer's declaration - Electromagnetic resistance
IEC 60601
Test level
± 6 kV contact discharge ± 6 kV contact discharge
± 8 kV Air discharge ± 8 kV Air discharge
± 2 kV for power cables ± 2 kV for power cables
± 1 kV for input and ± 1 kV for input and
output cables output cables
± 1 kV Series mode voltage
± 1 kV Series mode voltage
± 2 kV Common-mode
± 2 kV Common-mode voltage
voltage
< 5 % V < 5 % V
T
(>95 % drop in V ) (>95 % drop in V
T
for ! period for ! period
40 % V 40 % V
T
(60 % drop in V ) (60 % drop in V
T
for 5 periods for 5 periods
70 % V 70 % V
T
(30 % drop in V ) (30 % drop in V
T
for 25 periods for 25 periods
< 5 % V < 5 % V
T
(>95 % drop in V ) (>95 % drop in V
T
for 5 seconds for 5 seconds
3 A/m 3 A/m
Compliance level Electromagnetic surroundings -
Flooring needs to be made of wood or
concrete
or covered with ceramic tiles
If the floor is covered with
synthetic material,
then relative humidity needs to be at least
30%.
The quality of the power voltage
needs to meet standards typical in a
commercial
or hospital environment.
The quality of the power voltage
needs to meet standards typical in a
commercial
or hospital environment.
The quality of the power voltage
T
)
needs to meet standards typical in a
T
commercial
or hospital environment.
T
Should the user of the nursing bed
)
T
require the continuous function even with
the occurrence
of disruptions to the
T
)
power supply, it is
T
recommended that the nursing bed
receive
T
undisrupted power
)
T
from an emergency source or a battery.
Magnetic fields with the grid frequency
should
comply to those normal in the
commercial or hospital environments.
25
PRATIC
2010-11
Guidelines