EDAN F9 User Manual page 207

F9, F9 Express Fetal & Maternal Monitor User Manual
Voltage dips, short
interruptions and
voltage variations
on power supply
input lines
IEC 61000-4-11
NOTE: U is the a.c. mains voltage prior to application of the test level.
T
0 % U 0,5 cycle
T;
At 0° , 45° , 90° , 135° ,
180° , 225° , 270° and
315°
0 % U ; 1 cycle
T
and
70 % U ; 25/30
T
cycles )
Single phase: at 0°
0 % U ; 250/300
T
cycle
0 % U 0,5 cycle
T;
At 0° , 45° , 90° , 135° ,
180° , 225° , 270° and
315°
0 % U ; 1 cycle
T
and
70 % U ; 25/30
T
cycles )
Single phase: at 0°
0 % U ; 250/300
T
cycle
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EMC Information
Mains power quality should be
that of a typical commercial or
hospital environment. If the user
of the F9 and F9 Express Fetal
& Maternal Monitors requires
continued operation
power mains interruptions, it is
recommended that the F9 and
F9 Express Fetal & Maternal
Monitors be powered from an
uninterruptible power supply or
a battery.
during