Beurer FT 55 User Manual download pdf (Page 84)

Table 3

For ME EQUIPMENT and ME SYSTEMS that are not LIFE-SUPPORTING

Guidance and manufacturer’s declaration – electromagnetic immunity

The FT55 series is intended for use in the electromagnetic environment speciﬁed below. The customer or the user of the FT55 series should

assure that it is used in such an environment.

IMMUNITY test IEC 60601 test

level

Compliance

level

Electromagnetic environment – guidance

Electrostatic

discharge (ESD)

IEC 61000-4-2

6 kV contact

8 kV air

6 kV contact

8 kV air

Floors should be wood, concrete or ceramic tile. If ﬂoors are covered with synthetic material,

the relative humidity should be at least 30 %.

Electrical fast

transient/burst

IEC 61000-4-4

2 kV for power

supply lines

1 kV for input/

output lines

Not applicable

Mains power quality should be that of a typical commercial or hospital environment.

Surge

IEC 61000-4-5

1 kV line(s) to

line(s)

2 kV line(s) to

earth

Not applicable

Mains power quality should be that of a typical commercial or hospital environment.

interruptions

and voltage

variations on

power supply

input lines

IEC 61000-4-11

<5 % UT

(>95 % dip

in UT)

for 0,5 cycle

40 % UT

(60 % dip in UT)

for 5 cycles

70 % UT

(30 % dip in UT)

for 25 cycles

<5 % UT

(>95 % dip

in UT)

for 5 sec

Not applicable

Portable and mobile RF communications equipment should be used no closer to any part of

the FT55 series, including cables, than the recommended separation distance calculated

from the equation applicable to the frequency of the transmitter.

Recommended separation distance:

d = 1.2

d = 1.2 80 MHz to 800 MHz

d = 2.3

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,

should be less than the compliance level in each frequency range.

Interference may occur in the vicinity of equipment marked with the following symbol:

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