Beurer TL 90 - Manual (Page 64)

64
eLecTROMAGNeTIc cOMPATIBILITY INFORMATION
Guidance & Declaration — electromagnetic immunity
The model TL90 is intended for use in the electromagnetic environment specified below. The customer or the
user of the model TL90 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
±2 kV for power
supply lines
Mains power quality should be that of
a typical commercial or hospital envi-
ronment.
Surge
IEC 61000-4-5
±1 kV differential mode
±2 kV common mode
±1 kV differential
mode
Mains power quality should be that of
a typical commercial or hospital envi-
ronment.
Voltage dips,
short interruptions
and voltage vari-
ations on power
supply input lines
IEC 61000-4-11
<5 % U
T
(>95 % dip in U
T
)
for 0,5 cycle
40 % U
T
(60 % dip in U
T
)
for 5 cycles
70 % U
T
(30 % dip in U
T
)
for 25 cycles
<5 % U
T
(>95 % dip in U
T
)
for 5 sec
<5 % U
T
(>95 % dip in U
T
)
for 0,5 cycle
40 % U
T
(60 % dip in U
T
)
for 5 cycles
70 % U
T
(30 % dip in U
T
)
for 25 cycles
<5 % U
T
(>95 % dip in U
T
)
for 5 sec
Mains power quality should be that of a
typical commercial or hospital environ-
ment. If the user of the TL90 requires
continued operation during power
mains interruptions, it is recommended
that the TL90 be powered from an unin-
terruptible power supply or a battery.
Power frequency
(50/60 Hz)
magnetic field
IEC 61000-4-8
3 A/m 3 A/m Power frequency magnetic fields
should be at levels characteristic of a
typical location in a typical commercial
or hospital environment.
NOTe U
T
is the a.c. mains voltage prior to application of the test level.