Instruction Manual

Forehead Sleep Recorder File No. DMR-SM902-4-25 Ver:A0
20 / 23 Copyright© Shenzhen BrainScience Bio-Info Technology Co., LTD
Table 8- Guidance and manufacturer's declaration—Electromagnetic immunity
The sleep recorder is expected to be used in the electromagnetic environment specified below, and
the purchaser or user should ensure that it is used in this electromagnetic environment
immunity test
IEC60601 test level
Test level
electromagnetic
environment guide
electrostatic
discharge
IEC 61000-4-2
±6kV Contact discharge
±8kV Air discharge
±6kV Contact
discharge
±8kV Air
discharge
The floor should be
wood, concrete or tile,
and if the floor is covered
with synthetic material,
the relative humidity
should be at least 30%
Electrical fast
transient burst
IEC 61000 -4-4
±2kV on power line
±1kV On input/ output
line
Not applicable
Not applicable
Surge
IEC 61000 -4-5
±1kV Differential mode
±2kV Common mode
Not applicable
Not applicable
Voltage dips, short
interruptions, and
voltage variations
on power supply
input lines
IEC61000-4-11
＜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
seconds
Not applicable
Not applicable
Power frequency
magnetic field
(50/60Hz)
IEC61000-4-8
3A/m
3A/m
Power frequency
magnetic field should
have power frequency
magnetic field level
characteristics in a typical
place in a typical
commercial or hospital
environment
Note: U
T
refers to the AC network voltage before the test voltage is applied