Osicus User Guide V8
09/09/2021
Page
42
of
46
Voltage dips, short
interruptions and voltage
variations on power supply
input lines
IEC61000-4-11
<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 s
N/A
Mains power quality should
be that of a typical
commercial or hospital
environment. If the user of
the Osicus requires
continued operation during
power mains interruptions,
it is recommended that the
Osicus be powered from an
uninterruptable power
supply or a battery.
Power frequency (50/60Hz)
Magnetic field
IEC61000-4-8
30 A/m
30 A/m
Power frequency magnetic
fields should be at levels
characteristics 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.
Appendix 1: Guidance on the Electromagnetic environment in which to operate
the instrument (cont)
Guidance and manufacturer’s declaration – electromagnetic immunity
The Osicus is intended for use in the electromagnetic environment specified below. The customer or the user of
the Osicus should assure that it is used in such an environment.
Immunity test
IEC 60601
test level
Compliance level
Electromagnetic environment - guidance
Conducted RF
IEC61000-4-6
Radiated RF
IEC61000-4-
3
3 Vrms
150 kHz to 80 MHz
3 V/m
80 MHz to 2.7 GHz
N/A
3 V/m
Portable and mobile RF communications
equipment should be used no closer to any part of
the Osicus, including any cables, than the
recommended separation distance calculated
from the equation applicable to the frequency of
the transmitter.
Recommended separation distance (d)
d
=
1.2√P
d
=
1.2√P
80 MHz to 800 MHz
d
=
2.3√P
800 MHz to 2.5 GHz
Where
P
is the maximum output power rating of
the transmitter in watts (W) according to the
transmitter manufacturer and d is the
recommended separation distance in metres (m).
