Beurer Janonh JFT 90 Mode D'emploi page 138

Non-contact fever thermometer JFT 90
GB D
interruptions and
voltage variations
on power supply
input lines
IEC 61000-4-11
Power frequency
(50/60 Hz)
magnetic field
IEC 61000-4-8
NOTE U
is the a.c. mains voltage prior to application of the test level
T
138
<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
3 A/m
Mains power quality
should be that of a
typical commercial or
hospital environment.
If the user of the JFT90
requires continued
Not applicable
operation during power
mains interruptions, it is
recommended that the
JFT90 be powered from
an uninterruptible power
supply or a battery.
Power frequency ma-
gnetic fields should be
at levels characteristic
3 A/m
of a typical location in
a typical commercial or
hospital environment.