19
Guidance and manufacturer’s declaration - electromagnetic immunity
The pump is intended for use in the electromagnetic environment specified below. The customer or the
user of the pump should assure 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
Radiated RF
IEC 61000-4-3
3 Vrms
150 kHz to 80 MHz
3 V/m
80 MHz to 2.5GHz
3 V
3 V/m
Portable and mobile RF communications
equipment should be used no closer to any
part of the pump, including cables, that the
recommended separation distance calculated
from the equation applicable to the frequency
of the transmitter.
Recommended separation distance
d
= 1.2
√
P
d
= 1.2
√
P
80 MHz 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 metres
(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:
At 80 MHz and 800 MHz, the separation distance for the higher frequency range applies.
Note:
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 pump is used exceeds the applicable RF compliance level above, the pump should
be observed to verify normal operation. If abnormal operation is observed, additional measures may be
necessary, such as reorientating or relocating the pump.
b
Over the frequency range 150 kHz to 80 MHz, field strengths should be less than 3 V/m.
Summary of Contents for FLOWTRON HYDROVEN 3
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