ASTS Enterprises A310 - Immunity for Non-Life-Supporting Systems

13
/
15
interruptions and
voltage variations
on power supply
input lines
IEC 61000-4-11
225°, 270° and 315°
0 % UT; 1 cycle and
70 % UT; 25/30 cycles
at 0°
0 % UT; 250/300 cycle
environment. If the user of the
A310 Pulse Oximeter requires continued
operation during power mains
interruptions, it is recommended that the
A310 Pulse Oximeter be powered from
an uninterruptible power supply or a
battery.
Power frequency
(50/60 Hz)
magnetic field
IEC 61000-4-8
30 A/m
30 A/m
Power frequency magnetic fields should be
at levels characteristic of a typical location
in a typical commercial or hospital
environment.
NOTE UT is the a. c. mains voltage prior to application of the test level.
Guidance and manufacturer´s declaration – electromagnetic immunity –
for EQUIPMENT and SYSTEM that are not LIFE-SUPPORTING
Guidance and manufacturer´s declaration – electromagnetic immunity
The A310 Pulse Oximeter is intended for use in the electromagnetic environment specified below. The
customer or the user of the A310 Pulse Oximeter should assure that it is used in such an environment.
Immunity test
IEC 60601 test level
Compliance level
Electromagnetic environment - guidance
Conducted RF
IEC 61000-4-6
Radiated RF
IEC 61000-4-3
3 Vrms
150 kHz to 80 MHz
6Vrms in ISM banda
between
150 kHz to 80 MHz
80 MHz to 2.7 GHz
N/A
10 V/m
Portable and mobile RF communications
equipment should be used no closer to any part
of theA310 Pulse Oximeter , including cables,
than the recommended separation distance
calculated from the equation applicable to the
frequency of the transmitter.
Recommended separation distance
P
V
d ]
5.3
[
1

P
E
d ]
5.3
[
1

80 MHz to 800 MHz
P
E
d ]
7
[
1

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).
b
Field strengths from fixed RF transmitters, as
determined by an electromagnetic site survey,
a
should be less than the compliance level in
each frequency range.
b