23
Immunity test
IEC 60601 test level
Compliance level
Electromagnetic environment - guidance
Electrical fast tran-
sient/burst
IEC
61000-4-4
±2 kV for power supply
lines
±1 kV for input/output
lines
±2 kV for power
supply lines
±1 kV for input/out
-
put lines
Mains power quality should be that of a typical commercial or
hospital environment.
Surge
IEC 61000-4-5
±1 kV differential mode
±2 kV common mode
±1 kV differential
mode
±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
＜
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 sec
＜
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 sec
Mains power quality should be that of a typical commercial or
hospital environment.
If the user of the EQUIPMENT or SYSTEM requires contin
-
ued operation during power mains interruptions, it is recom
-
mended that the EQUIPMENT or SYSTEM be powered from
an uninterruptible power supply or a battery.
