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EMC GUIDANCEEMC GUIDANCE
Table 4
Guidance and Manufacturer’s declaration – electromagnetic
IMMUNITY – for ME EQUIPMENT and ME SYSTEMS that are not
LIFE-SUPPORTING
Table 2
Guidance and Manufacturer’s declaration – electromagnetic
IMMUNITY – for all ME EQUIPMENT and ME SYSTEMS
Guidance and manufacturer’s declaration - electromagnetic immunity
The device is intended for use in the electromagnetic environment specied below. The
customer or the user of the device should assure that it is used in such an environment
Immunity Test
IEC 6060 1
Test Level
Compliance
Level
Electromagnetic environment
- guidance
Electrostatic discharge
(ES D) 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 oors 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
N/A
Mains power quality should be
that of a typical commercial or
hospital environment.
Surge IEC
61000-4-5
±1 kV line(s)
to line(s)
±2 kV line(s) to
earth
N/A
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
the U
T
)
for 0.5 cycles
N/A
Mains power quality should be
that of a typical commercial or
hospital environment. If the user
of the device requires continued
operation during power mains
interruptions, it is recommended
that the device be powered by
an uninterrupted power supply
or a battery.
40% U
T
(60% dip in
the U
T
)
for 5 cycles
N/A
70% U
T
(30% dip in
the U
T
)
for 25 cycles
N/A
<5% U
T
(>95% dip in
the U
T
)
for 5 cycles
N/A
Power Frequency
(50Hz) magnetic eld
IEC 61000-4-8
3 A/m 3 A/m
Power frequency magnetic elds
should be at levels characteristic
of a typical location in a
typical commercial or hospital
environment.
Note: U
T
is the a.c. mains voltage prior to application of the test level
Guidance and manufacturer’s declaration - electromagnetic immunity
The device is intended for use in the electromagnetic environment specied below.
The customer or the user of the device should assure that it is used in such an environment.
Immunity Test
IEC 6060 1
Test Level
Compliance
Level
Electromagnetic environment - guidance
Conducted RF
IEC 61000-4-6
Radiated RF
IEC 61000-4-3
3 Vrms
150 kHz to
80 MHz
3 V/m
80 MHz to
2.5 GHz
Not
applicable
3 V/m
Portable and mobile RF communications
equipment should be used no closer to any
part of the device, including
cables, than the recommended
separation distance calculated from the
equation applicable to the frequency of
the transmitter.
Recommended separation distance
where P is the maximum output power
rating of the transmitter in watts (W)
according to the transmitter manufacturer
and d is the recommended separation
distance in meters (m).
Field strengths from xed RF transmitters,
as determined by an electromagnetic site
survey, should be less than the compliance
level in each frequency range.
Interference may occur in the
vicinity of equipment marked
with the following symbol:
NOTE 1 At 80 MHz and 800 MHz, the higher frequency range applies.
NOTE 2 These guidelines may not apply in all situations. Electromagnetic propagation is affected by
absorption and reection from structures, objects and people.
Field strengths from xed transmitters, such as base stations for radio (cellular / cordless) telephones and land
mobile radios, amateur radio, AM and FM radio broad-cast and TV broadcast cannot be predicted theoretically
with accuracy. To assess the electromagnetic environment due to xed RF transmitters, an electromagnetic
site survey should be considered. If the measured eld strength in the location in which the device is used
exceeds the applicable RF compliance level above, the device should be observed to verify normal operation.
If abnormal performance is observed, additional measures may be necessary, such as re-orienting or relocating
the device. Over the frequency range 150 kHz to 80 MHz, eld strengths should be less than [ ]V/m.
P
V
=d ]
5,3
[
1
P=d
80 MHz to 800 MHz
1.167
P=d 2.333
800 MH z to 2,5 G Hz
27 28
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