GE Vscan Air, Руководство пользователя

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Important safety considerations
Vscan Air
–
User Manual
2-15
Direction GP092020-1EN Rev 18
Voltage dips, short
interruptions and
voltage variations
on power supply
input lines
EN/IEC
61000-4-11
0% U
T
; 0,5 cycles
At 0°, 45°, 90°,
135°, 180°, 225°,
270°, and 315°
0% U
T
; 1 cycle
70% U
T
; 25/
30 cycles
Single phase: at
0°
0% U
T
; 250/
300 cycles
Compliance for
all test levels.
Controlled
shutdown with
return to
pre-disturbance
condition after
operator’s
intervention.
(Power-on
switch)
Mains power quality
should be that of a
typical commercial or
hospital environment.
If the user of the
ultrasound unit
requires continued
operation during
power mains
interruptions, it is
recommended that the
Vscan Air CL is
powered from an
uninterruptible power
supply or a battery.
Power frequency
(50/60 Hz)
magnetic field
EN/IEC 61000-4-8
30 A/m
50 and 60 Hz
30 A/m
50 and 60 Hz
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 a. c. mains voltage prior to application of the test level.
Table 2-2: Electromagnetic immunity (Part 1) (Continued)
Guidance and manufacturer’s declaration – electromagnetic immunity.
The Vscan Air CL probe is intended for use in the electromagnetic environment below.
The customer or the user of the Vscan Air CL should assure that it is used in such an
environment.
Immunity test EN/IEC 60601
test level
Compliance
level Electromagnetic
environment –
guidance