Shenzhen Hingmed Medical instrument Co.,Ltd. (Enterprise Edition) 2020-11-18
Shenzhen Hingmed Medical instrument Co.,Ltd.
Guidelines and Statement of Manufacturer -Electromagnetic Emission
The instrument is expected to be used in following specific electromagnetic environments, and
the purchaser or the user should ensure that it is used in these electromagnetic environments.
Emission tests
Conformance
Electromagnetic Environment
- Guidelines
Radio-frequency (RF)
emission GB4824
1 group
The instrument use RF energy
only
for
the
internal
functions. Therefore, it has
low RF emission, and low
possibility
to
generate
electromagnetic interference
with
the
surrounding
electronic products.
Radio-frequency (RF)
emission GB4824
Class B
The instrument is suitable for
use in all facilities, including
domestic use and direct
connection to residential
public low-voltage power
supply network for domestic
use.
Harmonic emission
GB17625.1
N/A
Voltage fluctuation/flicker
emission GB17625.2
N/A
Guidelines and Statement of Manufacturer - Electromagnetic Immunity
The instrument is expected to be used in following specific electromagnetic environments, and
the purchaser or the user should ensure that it is used in these electromagnetic environments:
Immunity test
IEC 60601 Test level
Conforming level
Electromagnetic
Environment -
Guidelines
Electrostatic
discharge GB/T
17626.2
±6kV contact
discharge
±6kV contact discharge The floor should be
made of wood,
concrete, or ceramic
tiles. If the floor is
covered with synthetic
materials, the relative
humidity should be at
least 30%.
± 8kV air discharge
± 8kV air discharge
Electrical fast
transient GB/T
17626.4
±2kV for power cable
±2kV for power cable
The facility power
supply should meet the
quality requirements
for typical commercial
or hospital
environments.
±1kV for input/output
cable
±1kV for input/output
cable
Surge GB/T
17626.5
±1kV wire to wire
±1kV wire to wire
The facility power
supply should meet the
quality requirements
for typical commercial
or hospital
environments.
±2kV wire to ground
±2kV wire to ground
Voltage sag,
short interruption
and voltage
change on power
input line GB/T
17626.11
<5%
U
T
, lasting for
0.5 periods
<5%
U
T
The facility power
supply should meet the
quality requirements
for typical commercial
or hospital
environments. If the
instrument needs to
operate continuously
during the interruptions
of the power supply,
(>95% sag at
U
T
)
(>95% sag,
U
T
)
0.5 periods
40%
U
T
, lasting for 5
periods
40%
U
T
(60% sag at
U
T
)
(60% sag,
U
T
)
70 % U
T
, lasting for
25 periods
5 periods
(30% sag at
U
T
)
70%
U
T
