Welch Allyn 901061 Propaq LT Vital Signs Monitor - User Manual - Manual (Page 180)

176 Compliance Welch Allyn Propaq LT Vital Signs Monitor
Guidance and manufacturer’s declaration—electromagnetic immunity
The battery-operated Propaq LT Series monitor is intended for use in the electromagnetic environment specified below.
The customer or the user of the monitor should assure that it is used in such an environment.
Immunity test IEC 60601 test level Compliance level Electromagnetic
environment—guidance
Electrostatic discharge
(ESD)
IEC 61000
- 4 - 2
±6 kV contact
±8 kV air ±6 kV contact
±8 kV air Floors should be wood, concrete,
or ceramic tile. If floors are
covered with synthetic material,
the relative humidity should be at
least 30%.
Electrical fast
transient/burst
IEC 61000
- 4 - 4
±2 kV for power supply
lines
±1 kV for input/output
lines No connection to mains
(battery
- operated). No
other cables requiring
EFT/Burst testing.
Since there is no connection to the
mains, there is no requirement for
mains quality.
Surge
IEC 61000
- 4 - 5
±1 kV differential mode
±2 kV common mode No connection to mains
(battery
- operated).
Voltage dips, short
interruptions, and voltage
variations on
power
- supply input lines
IEC 61000 - 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 sec
No connection to mains
(battery
- operated).
Power frequency (50/60
Hz) magnetic field
IEC 61000
- 4 - 8
3 A/m 3 A/m Power frequency magnetic fields
should be at levels characteristic
of a typical location in a typical
commercial or hospital
environment.
Note U
t
is the AC mains voltage prior to application of the test level.