Welch Allyn RetinaVue 700, Directions For Use Manual

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Electromagnetic immunity
±0.5 kV, ±1 kV, ±2 kV
Line-to-ground ±2 kV
Voltage dips, short
interruptions and
voltage variations on
power supply input lines
IEC 61000-4-11
0 % U
T
; 0.5 cycle 0 % U
T
; 0.5 cycle
Mains power quality should be
that of a typical professional
healthcare facility environment. If
the user of the device requires
continued operation during power
mains interruptions, it is
recommended that the device be
powered from an uninterruptible
power supply or a battery.
At 0°, 45°, 90°, 135°,
180°, 225°, 270° and
315°
0 % U
T
; 1 cycle 0 % U
T
; 1 cycle
70 % U
T
; 25/30 cycles
Single phase: at 0°
70 % U
T
; 25/30 cycles
0 % U
T
; 250/300 cycle 0 %U
T
; 250/300 cycle
Power frequency (50/60
Hz) magnetic field IEC
61000-4-8
30 A/m 30 A/m Power frequency magnetic fields
should be at levels characteristic
of a typical location in a typical
professional healthcare facility
environment.
Note: U
T
is the a.c. mains voltage prior to application of the test level.
144 General compliance and standards Welch Allyn RetinaVue™ 700 Imager