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Technical specifications
9
Electromagnetic compatibility (EMC)
Measurement /
Standard
Voltage dips,
brief interrup-
tions and fluctu-
ations in the
supply voltage
IEC 61000-4-11
Power frequen-
cy (50 / 60 Hz)
magnetic field
IEC 61000-4-8
Note: U
T
Fig. 43: Electromagnetic interference resistance (Part 2 of 2)
56
Operating instructions VENTA Multi Care 16_ 5752 2434
GA 5752 2434 EN 13
Test level
< 5 % U
(> 95 % dip in
T
U
)
T
for½ 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
for 5 s
3 A/m
is the AC mains voltage prior to application of the test level.
Compliance level
< 5 % U
(> 95 % dip in
T
U
)
T
for½ cycle
40 % U
T
)
(60 % dip in U
for 5 cycles
70 % U
T
)
(30% dip in U
for 25 cycles
< 5 % U
T
)
(> 95 % dip in U
T
for 5 s
3 A/m
Electromagnetic envi-
ronment / Guidlines
The quality of the mains
power voltage should cor-
respond to that of a typi-
cal commercial or
hospital environment.
)
If the user requires con-
T
tinued operation despite
interruptions in the power
supply, then it is recom-
)
mended that the unit be
T
operated with an uninter-
ruptible power supply or
battery.
)
T
The magnetic fields gen-
erated at line frequency
should correspond to val-
ues typically found in
commercial or hospital
environments.
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