EMC Guidance and Manufacturers Declaration
Guidance and manufacturer
’s declaration – electromagnet emissions.
The M-550 is intended for use in the electromagnetic environment specified below. The customer or user of
the M-550 should ensure that it is used in such an environment.
Emission Test
Compliance
Electromagnetic environment-guidance
RF emissions
CISPR 11
Group 1
The M-550 uses RF energy only for its
internal function. Therefore, its RF
emissions are very low and not likely to
cause interference in nearby electronic
equipment.
RF emissions
CISPR 11
Class B
The M-550 is suitable for use in all
establishments, including domestic
establishments and those directly
connected to the public low-voltage power
supply network that supplies buildings used
for domestic purposes.
Harmonic emissions
IEC 61000-3-2
Class A
Voltage fluctuations/flicker emissions
IEC 61000-3-3
Compliance
Guidance and manufacturer
’s declaration – electromagnetic immunity.
The M-550 is intended for use in the electromagnetic environment specified below. The customer or user of
the M-550 should ensure 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
6kV contact
8kV air
6kV contact
8kV air
Floors should be wood, cement 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
2kV for power supply lines
+1kV for input/output lines
2kV for power supply lines
not applicable
Mains power quality should be that of
a typical commercial or hospital
environment.
Surge IEC 61000-4-5
1kV line(s) to line(s)
2kV
line(s) to earth
1kV differential mode not
applicable
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-6100-4-11
<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 5s
<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 5s
Mains power quality should be that of
a typical commercial or hospital
environment. If the user of the M-550
requires continued operation during
power mains interruptions, it is
recommended that the M-550 be
powered from an uninterruptable
power supply or a battery.
Power frequency (50/60 Hz)
magnetic field IEC 61000-4-8
3 A/m
3 A/m
The M-550 power frequency magnetic
fields should be at levels
characteristic of a typical location in a
typical commercial or hospital
environment.
Note UT is the A.C mains voltage prior to application of the test level.
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