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iASSIST 2-Pod Version
Surgical Technique
Table 5.3:
Guidance and Manufacturer’s Declaration - ELECTROMAGNETIC IMMUNITY
The system controller computer is intended for use in the electromagnetic environment specified below.
The customer or the user of the system controller computer should assure that it is used in such an environment.
IMMUNITY test
IEC 60601
Compliance
level
Electromagnetic environment – guidance
Portable and mobile RF communications equipment should be used
no closer to any part of the system controller computer, including cables,
than the recommended separation distance calculated from
the equation applicable to the frequency of the transmitter.
The recommended separation distance is d=1.2 √P.
Conducted RF
IEC 61000-4-6
3 Vrms
150 kHz to 80 MHz
3 Vrms
d=1.2 √P
Radiated RF
IEC 61000-4-3
3 V/m
80 MHz to 2,5 GHz
3 V/m
d=1.2 √P 80 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 meters (m).
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
.
Interference may occur in the vicinity of equipment marked with
the following symbol:
NOTE
1
: At 80 MHz and 800 MHz, the higher frequency range applies.
NOTE
2
: These guidelines may not apply in all situations. Electromagnetic propagation is affected by absorption and reflection from
structures, objects and people.
a
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 system controller is used exceeds the applicable RF compliance level above, the system controller should be
observed to verify normal operation. If abnormal performance is observed, additional measures may be necessary, such as reorienting
or relocating the system controller.
b
Over the frequency range 150 kHz to 80 MHz, field strengths should be less than 3 V/m.
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