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Guidance and manufacturer's declaration – electromagnetic immunity
Voltage dips, short
<5 % U
T
interruptions and
(>95 % dip in U
voltage variations on
for 0,5 cycle
power supply input lines
IEC 61000-4-11
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
for 5 s
Power frequency
3 A/m
(50/60 Hz) magnetic field
IEC 61000-4-8
NOTE U
is the a.c. mains voltage prior to application of the test level.
T
<5 % U
T
)
(>95 % dip in U
)
T
T
for 0,5 cycle
40 % U
T
)
(60 % dip in U
)
T
T
for 5 cycles
70 % U
T
)
(30 % dip in U
)
T
T
for 25 cycles
<5 % U
T
)
(>95 % dip in U
)
T
T
for 5 s
30 A/m
Mains power quality should be that of a typical commercial or
hospital environment. If the user of the Precision Montage MRI
Spinal Cord Stimulator System requires continued operation during
power mains interruptions, it is recommended that the Precision
Montage MRI Spinal Cord Stimulator System be powered from an
uninterruptible power supply or a battery.
Power frequency magnetic fields should be at levels characteristic
of a typical location in a typical commercial or hospital environment.
Magnetic fields from common appliances are not expected to affect
the device.
Precision montage™ mri system information for Patients
safety information
91053248-04 reV a
17 of 679
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