GE Vital Signs enFlow Service Manual page 21

Recommended Separation Distances Between Portable and Mobile RF Communications
Equipment and the enFlow
The enFlow 100 with enFlow 120 is intended for use in the electromagnetic environment in which radiated
disturbances are controlled. The customer or user of the enFlow 100 with enFlow 120 can help prevent
electromagnetic interference by maintaining a minimum distance between portable and mobile RF Communications
Equipment and the enFlow 100 with enFlow 120 as recommended below, according to the maximum output power
of the communications equipment.
Max Output Power
Separation (m)
(Watts) 150kHz to 80MHz
D=(3.5/V1)(Sqrt P)
0.01
0.1
1
10
100
Guidance and Manufacturer's Declaration - Emissions
The enFlow 100 with enFlow 120 is intended for use in the electromagnetic environment specified below. The
customer or user of the enFlow 100 with enFlow 120 should ensure that it is used in such an environment.
Emissions Test Compliance
RF Emissions Group 1, Class B
Radiated
CISPR 11
Harmonics
IEC 61000-3-2
Flicker IEC 61000-3-3
Guidance and Manufacturer's Declaration – Electromagnetic Immunity
The enFlow 100 with enFlow 120 is intended for use in the electromagnetic environment specified below. The
customer or user of the enFlow 100 with enFlow 120 should ensure that it is used in such an environment.
Immunity Test EN/ IEC 60601
ESD Level 3 (±6kV)
EN/IEC 61000-4-2 Contact
Level 3 (±8kV)
Air
EFT ±2kV Mains
EN/IEC 61000-4-4 ±1kV I/Os
Surge ±1kV Differential
EN/IEC 61000-4-5 ±2kV Common
Voltage >95% Dip for
Dips/Dropout 0.5 Cycle
EN/IEC 61000-4-11
60% Dip for
5 Cycles
enFlow Service Manual Rev. F 04/12
4400_0060
Separation (m)
80 to 800MHz
D=(3.5/E1)(Sqrt P)
.1166
.3689
1.1666
3.6893
11.6666 11.6666
The enFlow 100 with enFlow 120 uses RF energy only for its internal
function. Therefore, its RF emissions are very low and are not likely to
cause
any interference in nearby electronic equipment.
Class A The enFlow 100 with enFlow 120 is suitable for use in all establishments,
other than domestic, and those directly connected to the public
Complies lowvoltage
power supply network that supplies buildings used for domestic
purposes.
Compliance Level
Test Level
Level 3 (±6kV)
Contact
Level 3 (±8kV)
Air
±2kV Mains
±1kV I/Os
±1kV Differential
±2kV Common
100% Dip for
0.5 Cycle
60% Dip for
5 Cycles
D=(7/3V/m)(Sqrt P)
800 MHz to 2.5 GHz
where P is the max power in watts and
D is the recommended separation distance
in meters.
Field strengths from fixed transmitters,
as determined by an electromagnetic
site survey, should be less than the
compliance levels (3Vrms and 3V/m).
Interference may occur in the vicinity of
equipment containing a transmitter.
Separation (m) 800MHz to 2.5GHz
D=(7/E1)(Sqrt P)
0.12
.3689
1.1666
3.6893
Electromagnetic Environment – Guidance
Electromagnetic Environment – Guidance
Floors should be wood, concrete or
ceramic tile. If floors are synthetic, the
r/h should be at least 30%
Mains power quality should be that of a
typical commercial or hospital environment.
Mains power quality should be that of a
typical commercial or hospital environment.
Mains power quality should be that of a
typical commercial or hospital
environment. If the user of the enFlow
100 with enFlow 120 requires
continued operation during power mains
0.23
.7378
2.3333
7.3786
23.3333
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