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 % 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 5 s
Not
applicable *)
Not
applicable *)
Power frequency
(50/60 Hz) mag-
netic field
IEC
61000-4-8
3 A/m
3 A/m
Power frequency
magnetic fields
should be at levels
characteristic of a
typical location in a
typical commercial
or hospital environ-
ment
NOTE UT is the a.c. mains voltage prior to the application of the test level.
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