Manufacturer’s Declaration and Guidance
Service Manual
2-9
Table 2-7.
Recommended Separation Distance Calculations
Guidance and Manufacturer’s Declaration—Electromagnetic Immunity
(IEC/EN 60601-1-2:2007, Table 4)
The monitoring system is intended for use in the electromagnetic environment specified below. The
customer or the user of the monitoring system should assure that it is used in such an environment.
Immunity
Test
IEC/EN 60601-1-2
Test Level
Compliance
Level
Electromagnetic
Environment Guidance
Conducted RF
IEC/EN
61000-4-6
Radiated RF
IEC/EN
61000-4-3
3 Vrms
150 kHz to
80 MHz
3 V/m
80 MHz to
2.5 GHz
3 Vrms
150 kHz to
80 MHz
3 V/m
80 MHz to
2.5 GHz
Portable and mobile RF communications equipment
should be used no closer to any part of the monitoring
system, including cables, than the recommended separa-
tion distance calculated from the equation applicable to
the frequency of the transmitter.
Recommended Separation Distance
80 MHz to 800 MHz
800 MHz to 2.5 GHz
where
P
is the maximum output power rating of the trans-
mitter in watts (
W
) according to the transmitter manufac-
turer 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 accu-
racy. 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 monitoring system is used exceeds the
applicable RF compliance level above, the monitoring system should be observed to verify normal operation. If
abnormal performance is observed, additional measures may be necessary, such as re-orienting or relocating the
monitoring system.
b
Over the frequency range 150 kHz to 80 MHz, field strengths should be less than 3 V/m.
d
1.2
P
=
d
1.2
P
=
d
2.3
P
=
Summary of Contents for Nellcor GR101704
Page 1: ...Service Manual Nellcor Bedside Respiratory Patient Monitoring System...
Page 8: ...Page Left Intentionally Blank vi...
Page 32: ...Page Left Intentionally Blank 2 14 Service Manual Product Specifications...
Page 46: ...Page Left Intentionally Blank 3 14 Service Manual Theory of Operations...
Page 54: ...Page Left Intentionally Blank 4 8 Service Manual Product Overview...
Page 114: ...Page Left Intentionally Blank 7 18 Service Manual Trend Data Access...
Page 120: ...Page Left Intentionally Blank 8 6 Service Manual Performance Considerations...
Page 168: ...Page Left Intentionally Blank 10 46 Service Manual Modification and Testing...
Page 192: ...Repair 12 4 Service Manual Figure 12 2 Exploded View of Internal Components...
Page 232: ...Page Left Intentionally Blank 12 44 Service Manual Repair...
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