VentMed DS-7 - Page 35

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