Product Manual

ELECTROMAGNETIC COMPATIBILITY (EMC)
29
ELI 250c Guidance and Manufacturer’s Declaration: Electromagnetic Immunity
The equipment is intended for use in the electromagnetic environment specified in the table below. The
customer or the user of the equipment 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
3 Vrms
150 kHz to
80 MHz
3 Vrms
150 kHz to
80 MHz
Portable and mobile RF communications equipment should
be used no closer to any part of the equipment, including
cables, than the recommended separation distance
calculated from the equation applicable to the frequency of
the transmitter.
Recommended separation distance
𝑑 = 󰇣
.

󰇤
√
𝑃
𝑑 = 󰇣
.
/
󰇤
√
𝑃 80 MHz to 800 MHz
𝑑 = 󰇣

/
󰇤
√
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:
Radiated RF IEC
61000-4-3
3 V/m
80 MHz to
2.5 GHz
3 V/m
80 MHz to
2.5 GHz
a. Field strengths from fixed transmitters, such as base stations for radio (cellular/cordless) telephones and land mobile
radios, amateur radios, 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 equipment is used exceeds the applicable RF
compliance level above, the equipment should be observed to verify normal operation. If abnormal performance is
observed, additional measures may be necessary, such as reorienting or relocating the equipment.
b. Over the frequency range 150 kHz to 80 MHz, field strengths should be less than [3] V/m.