Keeler Pulsair Desktop, Инструкция по эксплуатации

Страница: 28 / 32

Next Home
Back
28
16. Specifications and electrical ratings
Guidance and manufacturer’s declaration – electromagnetic immunity
The Keeler Desktop is intended for use in the electromagnetic environment specified below. The customer or user 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 6100-4-2 ± 6 kV contact
± 8 kV air
± 6 kV contact
± 8 kV air
Floors should be wood, concrete or ceramic tile.
If floors are covered with synthetic material, the
relative humidity should be at least 30%.
Electrical fast
transient/burst.
IEC 61000-4-4 ± 2 kV for power supply lines
± 1 kV for input/output lines ± 2 kV for power supply lines
± 1 kV for input/output lines Mains power quality should be that of a typical
commercial or hospital environment.
Surge.
IEC 61000-4-5 ± 1 kV line(s) to line(s)
± 1 kV line(s) for line to
earth ± 1 kV line(s) to line(s)
± 1 kV line(s) for line to
earth 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 <5%
U
T
(> 95% dip in
U
T
)
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 s
<5%
U
T
(> 95% dip in
U
T
)
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 s
Mains power quality should be that of a typical
commercial or hospital environment. If the
user of the Keeler Desktop requires continued
operation during power mains interruptions, it is
recommended that the instrument be powered
from an uninterruptible power supply.
Power frequency
(50/60 Hz) magnetic
field. IEC 61000-4-8 3 A/m 3A/m Power frequency magnetic fields should be at
a level characteristic of a typical location in a
typical commercial or hospital environment.
Note
U
T
is the a. c. mains voltage prior to application of the test level.