EDAN F9 Express - Page 207

F9, F9 Express Fetal & Maternal Monitor User Manual EMC Information
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Voltage dips, short
interruptions and
voltage variations
on power supply
input lines
IEC 61000-4-11
0 % U
T;
0,5 cycle
At 0°, 45°, 90°, 135°,
180°, 225°, 270° and
315°
0 % U
T
; 1 cycle
and
70 % U
T
; 25/30
cycles )
Single phase: at 0°
0 % U
T
; 250/300
cycle
0 % U
T;
0,5 cycle
At 0°, 45°, 90°, 135°,
180°, 225°, 270° and
315°
0 % U
T
; 1 cycle
and
70 % U
T
; 25/30
cycles )
Single phase: at 0°
0 % U
T
; 250/300
cycle
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 during
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.
NOTE: U
T
is the a.c. mains voltage prior to application of the test level.