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Immunity test standard IEC 60601 test level * Compliance level Electromagnetic environment – guidance
Voltage dips, short
interruptions and voltage
variations on power
supply lines
IEC 61000-4-11
< 5 % UT (0.5 cycle)
40 % UT (5 cycles)
70 % UT (25 cycles)
< 5 % UT for 5s
Not applicable
Note UT is the A.C. mains voltage prior to application of the test level.
Immunity test standard IEC 60601 test level * Compliance level Electromagnetic environment – guidance
Power frequency
(50 / 60 Hz)
magnetic eld
IEC 61000-4-8
400 A / m 400 A / m Power frequency magnetic elds should be at levels
characteristic of a typical location in a typical commercial
or hospital environment.
* Test levels acc. to IEC / EN 60601-2-24