Voltage drop, short
circuit and voltage
fluctuations
IEC 61000-4-11
<5%Ut (> 95% drop)
0.5 cycle
40% Ut (60% drop) 5
cycles
70% Ut (30% drop)
25 cycles
<5% Ut (>95% drop)
5 seconds
<5% Ut (>95% drop)
0.5 cycle
40% Ut (60% drop)
5 cycles
70% Ut (30% drop)
25 cycles
<5% Ut (>95% drop)
5 seconds
Network power quality should be
qualified for typical hospital or
commercial environments. If
users need continuous infusion
even during power interruption, it
is recommended to use UPS or
battery.
Power frequency
magnetic field
(50/60HZ)
IEC 61000-4-8
Power frequency magnetic field should
be consistent with the standard
specification of commercial use or
hospitals.
Ut is the AC voltage of priority test level
User’s guide and manufacturer’s statement of anti-electromagnetic interference II
User's Guide and Manufacturer’s Statement of Anti-electromagnetic Interference: applicable for all
non-life-sustaining equipment and systems
WIT-601A Infusion Pump is intended to be used in the following specified electromagnetic environments.
Buyers or users should ensure that the pump is used in such environments.
Guide to electromagnetic environment
Conducted RF
IEC 61000-4-6
Radiation, radio
frequency and
electromagnetic
fields
IEC 61000-4-3
3Vrms
150KHz to 80MHz
3V/m
80MHz to 2.5 GHz
Portable and mobile RF communications device should
not be closer than the recommended separation distance
from any part of WIT-601 Infusion Pump; the distance
shall be calculated using the formula corresponding to the
transmitter frequency.
Recommended separation distance
80MHz to 800 MHz
800MHz to 2.5 GHz
If p is the maximum rated output power (watts) provided
by RF device manufacturer, then d is the recommended
separation distance (m). (b)
Fixed RF transmitter’s field strength is determined
through electromagnetic site survey; each frequency band
should be lower than the line Compliance level. (a) (b)
The one marked with the following tag would have
interference:
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