Ultrasonix SONIX Series, Service Manual

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Table 3-7: EN 60601-1-2:2001 (Table 204)
Guidance and Manufacturer’s Declaration—Electromagnetic Immunity
The SONIX is intended for use in the electromagnetic environment specified below. The customer or the
user of the SONIX should ensure 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
Conducted RF
IEC 61000-4-3 3 Vrms
150 kHz to 80 MHz
3 V/m
80 MHz to 2,5 GHz
3 Vrms
3 V/m
Portable and mobile RF communications
equipment should be used no closer to any part
of the SONIX, including cables, than the
recommended separation distance calculated
from the equation applicable to the frequency of
the transmitter.
Recommended separation distances:
P d 2 , 1
=
150 kHz to 80 MHz
P d 2 , 1
=
80 MHz to 800 MHz
P d 3 , 2
=
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 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 SONIX is used exceeds
the applicable RF compliance level above, the SONIX should be observed to verify normal operation. If abnormal
performance is observed, additional measures may be necessary, such as reorienting or relocating the SONIX.
b
Over the frequency range 150 KHz to 80 MHz, field strengths should be less than 3 V/m.
SONIX Service Manual SSM – 001, Revision F Chapter 3: System Installation
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