Vita-Course Technologies Co. Ltd. DISCOVERY ユーザーズマニュアル
Voltage sags,
short interru
ptions and vo
ltage variatio
ns on the po
wer input line
GB/T 17626.1
1
short interru
ptions and vo
ltage variatio
ns on the po
wer input line
GB/T 17626.1
1
<5 %
U
T
, continuing 0.5
weeks
（on
（on
U
T
, a temporary
drop >95%）
40 %
40 %
U
T
, lasting 5
weeks
（on
（on
U
T
, a temporary
drop 60%）
70 %
70 %
U
T
，lasting 25
weeks
（on
（on
U
T
, a temporary
drop 30%）
<5 %
U
T
, lasting 5s
（on
U
T
, a temporary
drop >95%）
<5 % UT, lasting
0.5 weeks（on UT,
0.5 weeks（on UT,
a
temporary
drop >95%）
40 % UT, lasting 5
weeks（on UT,
drop >95%）
40 % UT, lasting 5
weeks（on UT,
a
temporary drop
60%）
70 % UT，lasting25
60%）
70 % UT，lasting25
weeks（on UT
a
temporary drop
30%）
30%）
<5 % UT, lasting 5s
（on UT,
（on UT,
a
temporary
drop >95%）
drop >95%）
The network power shall
have typical quality used in
the commercial or hospital
environment.
have typical quality used in
the commercial or hospital
environment.
If
the
equipment's users need to
run continuously during
power
run continuously during
power
outages,
the
recommended equipment
is
is
powered
by
an
uninterruptible
power
supply or uses battery.
Power
frequency
magnetic field
（50Hz）
GB/T 17626.8
frequency
magnetic field
（50Hz）
GB/T 17626.8
3A/m 50Hz
3A/m 50Hz
The power frequency
magnetic field shall have
the
the
horizontal
characteristics in a typical
commercial or hospital
environment.
commercial or hospital
environment.
Note: U
T
refers to AC network voltage before test voltage is applied.
The guidance and manufacture’s statement–electromagnetic immunity
Users or buyers of the equipment should make sure that it is used in such following
electromagnetic environment:
Immuni
ty test
IEC 60601
test level
Accord
with level
Electromagnetic immunity–guidance
RF
conduct
ion
GB/T
17625.6
3 Vrms
150 kHz to
80 MHz
3 V/m
80 MHz to
3 Vrms
3 V/m
Portable and mobile RF communications devices shall
not be used closer to any part of the equipment
(including the cable) than the recommended isolation
distance. The distance shall be calculated by the
formula corresponding to the transmitter frequency.
Recommended isolation distance
not be used closer to any part of the equipment
(including the cable) than the recommended isolation
distance. The distance shall be calculated by the
formula corresponding to the transmitter frequency.
Recommended isolation distance
d =
P
2
.
1
d =
P
2
.
1
80 MHz to 800 MHz
d =
P
3
.
2
800 MHz to 2,5 GHz
Among them, P refers to the maximum output power
rating of the transmitter, which is provided by its
manufactures. Watt (W) is a unit, D is recommended
isolation distance, and meters (m)is a unit.
rating of the transmitter, which is provided by its
manufactures. Watt (W) is a unit, D is recommended
isolation distance, and meters (m)is a unit.