T
+44 (0)1709 377172
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+44 (0)1709 377173
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39
EMC STATEMENT
±
6 kV contact
discharge
± 8 kV air
discharge
Floors should be wood, concrete or
ceramic tile floors.
If the floor is covered with synthetic
material, the relative humidity should be at
least 30%.
Electrostatic discharge
(ESD) according to
IEC 61000-4-2
± 1 kV Voltage
phase-phase
conductor
± 1 kV Voltage
phase-ground
conductor
Surges according to
IEC 61000-4-5
Guidance and Manufacturer’s Declarations - Electromagnetic Interference Immunity
The care bed is intended for use in the electromagnetic environment specified below. The customer
or user of the care bed should ensure that it is used in such an environment.
± 6 kV contact
discharge
± 8 kV air
discharge
± 2 kV for power
lines
± 1 kV for input &
output lines
The quality of the supply voltage should
be equivalent to that of a typical business
or hospital environment.
Electrical fast transients
/ bursts according to
IEC 61000-4-4
± 2 kV for power
lines
± 1 kV for input &
output lines
± 1 kV Voltage
phase-phase
conductor
± 1 kV Voltage
phase-ground
conductor
The quality of the supply voltage should
be equivalent to that of a typical business
or hospital environment.
< 5 % U
T
for ½ cycle
(> 95% dip)
40 % U
T
for 5 cycles
(60% dip)
70 % U
T
for 25 cycles
(30% dip)
< 5 % U
T
for 5s
(> 95% dip)
Voltage dips, short
interruptions and
supply voltage
variations according to
IEC 61000-4-11
< 5 % U
T
for ½ cycle, 10 ms
(> 95% dip)
40 % U
T
for 5 cycles, 100
ms (60% dip)
70 % U
T
for 25 cycles, 500
ms
(30% dip)
< 5 % U
T
for 5s
(> 95% dip)
The quality of the supply voltage should
be equivalent to that of a typical business
or hospital environment If the user of care
bed also requires continued operation
during interruptions in energy supply
demands, it is recommended to feed the
care bed from an uninterruptible power
supply or a battery.
3 A/m
Magnetic field of
power frequency
(50 / 60 Hz) according
to IEC 61000-4-8
3 A/m 0.3 A/m
Magnetic fields of power supply frequency
should comply with the typical values, as
can be found in a business and hospital
environment.
INTERFERENCE
IEC 60601
ELECTROMAGNETIC
ENVIRONMENT GUIDELINES
COMPLIANCE
LEVEL
Guidance and Manufacturer’s Declarations -
Non-life-support devices
Electromagnetic Interference Immunity.
The care bed is intended for use in the electromagnetic environment specified below. The customer
or user of the care bed should ensure that it is used in such an environment.
EMC STATEMENT
3 V eff
150 kHz - 80 MHz
3 V/m
80 MHz - 2.5 GHz
Portable and mobile radios, including
cables, should not be used closer to the
care bed than the recommended working
clearance that is calculated by the
equation for the appropriate frequency.
Recommended working clearance
for 80 MHz - 800 MHz
for 800 MHz – 2.5 GHz
Where P is the power of transmitter in
watts (W) according to specifications of
the transmitter manufacturer and D is
the recommended working clearance in
meters (m)
Field strengths from fixed RF transmitters
should, at all frequencies, according to a
site survey a - Note p. 5
be lower than the level of agreement be
b - Note p. 5
Conducted RF
interferences according
to IEC 61000-4-6
Emitted RF interferences
according to
IEC 61000-4-3
3 V eff
3 V/m
Note 1: At 80 and 800 MHz, the higher frequency range must be taken.
Note 2: These guidelines may not apply in all situations. The propagation of electromagnetic
waves is affected by absorption and reflection from structures, objects and persons.
P
E
d
]
5
,
3
[
1
=
P
E
d
]
7
[
1
=
P
V
d
]
5
,
3
[
1
=
In the vicinity of
equipment, bearing
the following symbol,
interference is
possible.
INTERFERENCE
IEC 60601
ELECTROMAGNETIC
ENVIRONMENT GUIDELINES
COMPLIANCE
LEVEL
