User Manual

Technical Description
Chapter 5 59
Voltage dips,
short interruptions
and voltage
variations on
power supply
input lines
IEC 61000-4-11
<5 % U
T
(>95 % dip in U
T
)
for 0.5 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
T
)
for 5 sec
N/A
Mains power quality should be
that of a typical commercial or
hospital environment. If the
user of the DataRecorder 3
requires continued operation
during power mains
interruptions, it is
recommended that the
DataRecorder 3 be powered
from an uninterruptible power
supply or a battery.
Power frequency
(50/60 Hz)
magnetic field,
IEC 61000-4-8
3 A/m 3 A/m
Power frequency magnetic
fields should be at levels
characteristic of a typical
location in a typical
commercial or hospital
environment.
NOTE: U
T
is the AC mains voltage prior to application of the test level.
Guidance and manufacturer’s declaration - electromagnetic immunity for all
equipment and systems