Electromagnetic Immunity For Rf - GE Portrait Hub01 User Manual

Electromagnetic immunity for RF

Guidance and manufacturer's declaration — electromagnetic immunity
This device is intended for use in the electromagnetic environment specified below. It is the responsibility
of the hospital to assure that the device is used in such an environment.
Immunity IEC 60601 test
test level
3 Vrms
Conducted
RF
150 kHz to 80
MHz
IEC 61000-
4-6
6 Vrms
150 kHz to 80
MHz c
Radiated RF
3 V/m d
IEC 61000-
80 MHz to 2.7 GHz
4-3
NOTE
At 80 MHz and 800 MHz, the higher frequency range applies.
NOTE
These guidelines may not apply in all situations. Electromagnetic propagation is affected by
reflection from structures, objects, and people.
a Charger and cables for power supply and alarming unit
b Respiration patch leadwire cable
c The ISM (industrial, scientific and medical) bands between 0.15 MHz and 80 MHz are 6.765 MHz to 6.795 MHz;
13.553 MHz to 13.567 MHz; 26.957 MHz to 27.283 MHz; and 40.66 MHz to 40.70 MHz.
d For more information, see section Proximity field immunity compliance.
e Field strengths from fixed transmitters, such as base stations for radio (cellular/cordless) telephones and
land mobile radio, AM and FM radio broadcast, and TV broadcast cannot be predicted theoretically with
accuracy. To assess the electromagnetic environment due to fixed RF transmitters, an electromagnetic site
survey should be considered. If the measured field strength in the location in which the equipment is used
exceeds the applicable RF compliance level above, the equipment should be observed to verify normal
operation. If abnormal performance is observed, additional measures may be necessary, such as re-orienting
or relocating the equipment.
f Over the frequency range 150 KHz to 80 MHz, field strengths should be less than 3 V/m.
5815148-01
Compliance
level Electromagnetic environment — guidance
3 Vrms
Portable and mobile RF communications equipment
should not be used closer to any part of the equipment,
150 kHz to 80
including cables, than the recommended separation
MHz a
distance calculated from the equation applicable to the
25 MHz to 80
frequency of the transmitter.
MHz b
Recommended separation distance for 1 W:
6 Vrms
d = 1.2 √P 150 kHz to 80 MHz
150 kHz to 80
MHz c
25 MHz to 80
MHz b c
3 V/m
d = 1.2 √P 80 MHz to 800 MHz.
80 MHz to 2.7
d = 2.3 √P 800 MHz to 2.7 GHz
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 meters (m).
Field strengths from fixed RF transmitters, as determined
by an electromagnetic site survey
the compliance level in each frequency range
Interference may occur in the vicinity of equipment
marked with the following symbol:
Portrait ™ Mobile Monitoring Solution
Electromagnetic compatibility
e should be less than
f .
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