Physio-Control LIFEPAK 15 - Manual (Page 274)

D-4
LIFEPAK 15 Monitor/Defibrillator Operating Instructions
Electromagnetic Compatibility Guidance
c Field strengths from fixed transmitters, such as base stations for radio (cellular/cordless) telephones and land mobile radios,
amateur 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 LIFEPAK 15 monitor/defibrillator is used exceeds the applicable
RF compliance level above, the LIFEPAK 15 monitor/defibrillator should be observed to verify normal operation. If abnormal
performance is observed, additional measures may be necessary, such as re-orienting or relocating the LIFEPAK 15 monitor/
defibrillator.
d Over the frequency range 150 kHz to 80 MHz, field strengths should be less than 3 V/m.
Separation Distances
Table D-4 Recommended Separation Distances Between Portable and Mobile RF Communications
Equipment and the LIFEPAK 15 Monitor/Defibrillator
The LIFEPAK 15 monitor/defibrillator is intended for use in an electromagnetic environment in which
radiated RF disturbances are controlled. The customer or the user of the LIFEPAK 15 monitor/
defibrillator
can help prevent electromagnetic interference by maintaining a minimum distance
between portable and mobile RF communications equipment (transmitters) and the LIFEPAK 15
monitor/defibrillator as recommended below, according to the maximum output power of the
communications equipment.
Rated maximum
output power of
transmitter
W
Separation distance according to frequency of transmitter m
150 kHz to
80 MHz outside
ISM bands
d = 1.2
150 kHz to
80 MHz in ISM
bands
d = 1.2
80 MHz to
800 MHz
d = 1.2
800 MHz to 2.5 GHz
d = 2.3
0.01 0.12 0.12 0.12 0.23
0.1 0.38 0.38 0.38 0.73
1 1.2 1.2 1.2 2.3
10 3.8 3.8 3.8 7.3
100 12 12 12 23
For transmitters rated at a maximum output power not listed above, the recommended separation
distance d in meters (m) can be determined using the equation applicable to the frequency of the
transmitter, where P is the maximum output power rating of the transmitter in watts (W) according to
the transmitter manufacturer.
Note: At 80 MHz and 800 MHz, the separation distance for the higher frequency range applies.
Note: The ISM (industrial, scientific and medical) bands between 150 kHz 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.
Note: An additional factor of 10/3 is used in calculating the recommended separation distance for transmitters in
the ISM frequency bands between 150 kHz and 80 MHz and in the frequency range 80 MHz to 2.5 GHz to
decrease the likelihood that mobile/portable communications equipment could cause interference if it is
inadvertently brought into patient areas.
Note: These guidelines may not apply in all situations. Electromagnetic propagation is affected by absorption and
reflection from structures, objects and people.
P P P P