Bedfont NOxBOX mobile, Техническое руководство

Страница: 10 / 84

10
2.4 Electromagnetic Immunity
The NOxBOX
i
complies with the directive EN60601-1-2 electromagnetic compatibility but
can be affected by cellular phones and by electromagnetic interference exceeding the
levels specified in EN55011:2007 Class B.
Guidance & Manufacturer’s Declaration: Electromagnetic Immunity (IEC 60601-1-2)
The NOxBOX
i
is intended for use in the electromagnetic environment specified below. The customer or the user of
the NOxBOX
i
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
± 6 kV air
± 6 kV contact
± 6 kV air
Floor 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 for power
supply lines
Mains power quality should be that of
a typical hospital environment.
Surge
IEC 61000-4-5
± 1 kV line to line
± 2 kV line to earth
± 1 kV line to line
± 2 kV line to earth
Mains power quality should be that of
a typical hospital environment.
Voltage dips, short
interruptions and
voltage variations on
power supply.
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 seconds
Met or exceeded. Mains power quality should be that of
a typical hospital environment.
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
hospital environment
Conducted RF
IEC 61000-4-6
Radiated RF
IEC 61000-4-3
3 V ms
150 kHz – 80 MHz
outside ISM bands*
10 V ms
150 kHz – 80 MHz in
ISM bands*
10 V ms
80 kHz – 2.5 GHz
10 V ms
150 kHz – 80 MHz
outside ISM bands*
10 V ms
150 kHz – 80 MHz in
ISM bands*
10 V ms
80 kHz – 2.5 GHz
Portable and mobile RF
communications equipment should
be used no closer to any part of the
NOxBOXi, including cables, than the
recommended separation
distance calculated from the
equation appropriate to the
frequency of the transmitter.
Interference may occur in the
vicinity of equipment marked with the
following symbol: