natus Xltek Trex HD, Руководство пользователя и обслуживания

Страница: 12 / 68

User & Service Manual Xltek® Trex HD Amplifier
11
Table 2 - Electromagnetic Immunity
Guidance and Manufacturer’s Declaration – Electromagnetic Immunity
The Trex HD is intended for use in the electromagnetic environment specified below. The customer or the
user of the Trex HD should assure that it is used in such an environment.
Immunity Test IEC 60601
Test Level
Compliance
Level
Electromagnetic Environment -
Guidance
Electrostatic
Discharge (ESD)
IEC 61000-4-2
±8 kV contact
±15 kV air
Complies Floors should be wood, concrete or
ceramic tile. If floors are covered with
synthetic material, the relative
humidity should be at least 30%.
Electrostatic fast
transient/burst
IEC 61000-4-4
±2 kV, 100Khz for
power supply lines
±1 kV, 100Khz for
input/output lines
Complies Mains power quality should be that of
a typical commercial or hospital
environment.
Surge
IEC 61000-4-5
±1 kV differential
mode
±2 kV common
mode
Complies Mains power quality should be that of
a typical commercial or hospital
environment.
Voltage dips, short
interruptions and
voltage variations on
power supply input
lines
IEC 61000-4-11
<100% drop, 0/5
periods, 0°, 45°,
90°, 135°, 180°,
225°, 270°, 315°
100% dip, 1 period
30% dip, 25/30
periods
40% dip for 5
cycles
Complies
Mains power quality should be that of
a typical commercial or hospital
environment. If the user of the
Trex
HD requires continued operation
during power mains interruption, it is
recommended that the
Trex HD to be
powered from a suitable
uninterruptible power supply or a
battery.
Power frequency
(50/60 Hz) magnetic
field
IEC 61000-4-8
30 A/m Complies Power frequency magnetic fields
should be at levels characteristic of a
typical location in a typical commercial
or hospital environment.
NOTE: UT is the AC supply voltage prior to application of the test level.