18
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 %.
Electric 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 differential mode
±2 kV common mode
Not applicable
Mains power quality should be
that of a typical commercial or
hospital environment.
Voltage
dips,
short
interruptions
and voltage
variations 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.
Not applicable
Mains power quality should be
that of a typical commercial or
hospital environment. If the user
of the upper arm stlye requires
continued operation during power
mains
interruptions,
it
is
recommended that the Wrist
Digital BP Monitor be powered
from an uninterruptible power
supply or a battery.
Power
frequency
(50/ 60 Hz)
magnetic
field
IEC
61000-4-8
3 A/m
Not applicable
Not applicable
Note:
U
T
is the a.c. mains voltage prior to application of the test level.
Immunity
test
IEC60601-1-2
test level
IEC60601-1-2
test level
Electromagnetic environment - guidance
Conducted
RF
IEC
61000-4-6
Radiated
RF
IEC
3 Vrms 150
kHz to 80 MHz
80% AM (2Hz)
3
Vrms
80
MHz to 2.5
Not applicable
3 V/m
Portable and mobile RF communications
equipment should be used no closer to any
partof the Wrist Digital BP Monitor, including
cables,
than
therecommended
separation
distance calculatedfrom the equation applicable
to the frequency of the transmitter.
Recommend separation distance
