GUIDANCE AND MANUFACTURER’S DECLARATION
36
Immunity test
IEC 60601
Test level
Compliance
level
Electromagnetic environment 
– guidance
Voltage dips, 
short 
interruptions 
and voltage 
variations on 
power supply 
inputlines 
IEC 61000-4-11
Power 
frequency
(50/60 Hz)
magnetic field
IEC 61000-4-8
Power frequency magnetic fields 
should be at levels characteristic 
of a typical location in a typical 
commercial or hospital 
environment.
Not Applicable.
<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
Not
Applicable.
<5 % 
UT
(>95 % dip 
in 
UT
)
for 5 sec.
3 A/m
3 A/m
Note: UT is the A.C. mains voltage prior to application of the test level.