21
Immunity test
IEC 60601
test level
Compliance
level
Electromagnetic environment - guidance
Voltage dips, short
interruptions and
voltage variations on
power supply input
lines
IEC 61000-4-11
<5%
U
T
(>95% dip in
U
T
)
For 0.5 cycle
40%
U
T
(60% dip in
U
T
)
For 5 cycles
70%
U
T
(30% dip in
U
T
)
For 25 cycles
<5%
U
T
(>95% dip in
U
T
)
For 5 sec
100% Reduction
(10 ms)
60% Reduction
(100 ms)
30% Reduction
(500 ms)
95% Reduction
(5 sec)
Power frequency
(50/60Hz)
Magnetic field
IEC 61000-4-8
3 A/m
3 A/m
At 50 Hz
Power frequency magnetic fields should be at levels
characteristic of a typical location in a typical commercial
or hospital environment.
Guidance and Manufacturer’s Declaration – Electromagnetic Emissions
Specifications (continued)
5. Electromagnetic Compatibility Requirements continued
NOTE 1
:
U
T
is the alternating current mains voltage prior to application of the test level.
