9
Electrical fast
transient/burst
IEC 61000-4-4
± 2kV for
power supply
lines
+ 1kV for
input/output
lines
+ 2kV for power
supply lines
+ 1kV for
input/output
lines
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 line(s) to
line(s)
+ 2kV line(s) to
earth
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
0% UT for 0,5
cycle
0% UT for 1
cycle
70% UT(30%
dip in UT) for
25 cycles
0% UT for 5 s
0% UT for 0,5
cycle
0% UT for 1
cycle
70% UT(30%
dip in UT) for 25
cycles
0% UT for 5 s
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 from an
uninterruptible power supply or
a battery.
Power
frequency(50/60
Hz) magnetic field
IEC 61000-4-8
30 A/m
30 A/m
The device 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.
Guidance and manufacturer’s declaration-electromagnetic immunity
The MS4910 Stand-on Floor Scale is intended for use in the electromagnetic environment
specified below. The customer or the user of the device should assure that is used in such an
environment.
Immunity test
IEC 60601 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
6 V in ISM bands
between 0,15 MHz
and 80 MHz
80 % AM at 1 kHz
3 V/m
3 Vrms
150 KHz to 80
MHz
6 V in ISM
bands between
0,15 MHz and
80 MHz
80 % AM at 1
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