62
Voltage dips,
short
interruptions
and voltage
variations
IEC 61000-4-11
<5% U
T
(drop >95%
U
T
) 0.5cycle
40% U
T
(drop 60%
U
T
) 5 cycle
70% U
T
(drop30%
U
T
) 25cycle
<5% U
T
(drop >95%
U
T
) 5s
<5% U
T
(drop >95%
U
T
) 0.5cycle
40% U
T
(drop 60%
U
T
) 5 cycle
70% U
T
(drop30%
U
T
) 25cycle
<5% U
T
(drop >95%
U
T
) 5s
The quality of the power
supply network must be
a typical commercial or
hospital environment. If
the system needs to be
maintained during
continuous operation in
the power network
interruption, we
recommend the use of
an uninterruptible power
supply UPS power
supply.
Power
frequency
magnetic
field(50/60Hz)
IEC 61000-4-8
3 A/m
3 A/m
The power frequency
magnetic field must
conform to the
characteristics of a
typical commercial or
hospital environment
Be careful
：
U
T
is the AC voltage value before the test voltage is applied
Table 3
Electromagnetic disturbance guidance and manufacturer statement
This system can be used in a specified electromagnetic environment, users should
ensure the use in the electromagnetic environment in the following provisions.
Immunity test
IEC 60601 Test
level
Accord
level
Electromagnetic environment - A
Guide
Conduction
disturbance
rejection
IEC 61000-4-6
3 Vrms
150 kHz - 80 MHz
1 Vrms
Portable
and
mobile
radio
communication equipment must be
from the equipment and / or system
(including cable included) use any
parts of the prescribed distance. This is
based on the isolation distance
transmitter
frequency
selection
equation is calculated. The calculation
formula is recommended isolation
distance
：
d = 3.5 x
P
d = 1.2 x
P
80 MHz to 800 MHz
d = 2.3 x
P
800 MHz to 2.5GHz
