VentMed CPAP User Manual page 35

User Guide
4
±1K
Surge differential mode
IEC61000-4-
5 common mode
Immunity test IEC60601 test level Compliance level
<5% U
Voltage dips, (>95% dip in U
short for 0.5 cycle
interruptions
and voltage
40% U
variations on U
power supply
input lines
70% U
IEC61000-4-11 (30% dip in U
for 25 cycles
<5% U
(>95% dip in U
for 5 s
Power
±2KV
T
),
T
(60% dip in
T
), for 5 cycles
T
T
)
T
T
)
T
±1KV
differential mode
±2KV
common mode
<5% U
T
(>95% dip in U
for 0.5 cycle
40% U (60% dip in
T
U ), for 5 cycles
T
70% U
T
(30% dip in U
T
for 25 cycles
<5% U
T
(>95% dip in U
for 5 s
34
Mains power quality
should be that of a typical
home or hospital.
Electromagnetic
environment-guidance
Main power quality
should be that of a
),
T
typical commercial or
hospital environment. If
the use of the device
requires continued
operation during power
mains interruptions, it is
recommended that the
)
device be powered form
an uninterruptible
power supply or from a
battery.
)
T
Power frequency
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