41
Guidance and manufacture's declaration
–
electromagnetic immunity
The instrument is intended for use in the electromagnetic environment specified below. The
customer or the user of instrument 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
±8 kV contact
±2 kV, ±4 kV,±8kV,±15
kV air
±8 kV contact
±2 kV, ±4
kV,±8kV, ±15 kV
air
Floors should be wood,
concrete or ceramic tile.
If floor 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
±1 kV for
Input/output lines
±2kV for power
supply lines
±1 kV for
Input/output lines
Mains power quality
should be that of
atypical commercial or
hospital environment.
Surge IEC
61000-4-5
±0.5 kV & ±1 kV
differential mode
±0.5 kV, ±1 kV & ±2
kV common mode
±0.5 kV & ±1 kV
differential mode
±0.5 kV, ±1 kV & ±
2 kV common
mode
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
100 %
(100% dip
in
.)for 0.5 cycle
100 %
(100% dip in
.)for
1 cycle
30 %
(70% dip in
)
for 25/30 cycles
100 %
(100% dip in UT.)for
250/300 cycle
100 %
(100% dip in
.)for 0.5 cycle
100 %
(100% dip in
.)for 1 cycle
30 %
(70% dip in
)
for 25/30 cycles
100 %
(100% dip
in
.)for 250/300
cycle
Mains power quality
should be that of a
typical commercial or
hospital environment. If
the user of the
instrument requires
continued operation
during power mains
interruptions, it is
recommended that the
instrument be powered
from a unit eruptible
power supply or a
battery.
Power
frequency(50/6
0 Hz)magnetic
field IEC
61000-4-8
3A/m
3A/m
Power frequency
magnetic fields should
be at levels
characteristic of a
typical location in a
typical commercial or
hospital environment.
NOTE:
is the a.c. mains voltage prior to application of the test level.