Vatech GREEN SMART - Acquiring Images for Pediatric Dental Patients

15. Appendices
170 Green Smart User Manual
Guidance and manufacturer’s declaration - electromagnetic immunity
The PHT-35LHS is intended for use in the electromagnetic environment specified
below. The customer or the user of the PHT-35LHS should assure that it is used in
such an environment.
Immunity
test
IEC 60601-1-2
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
±2 kV for power
supply lines
±1 kV for
input/output lines
Main power quality
should be that of a
typical commercial or
hospital environment.
Surge IEC
61000-4-5
±1 kV line(s) to
line(s)
±2 kV line(s) to
earth
±1 kV line(s) to
line(s)
±2 kV line(s) to
earth
Main power quality
should be that of a
typical commercial or
hospital environment.
Voltage dips,
short
interruptions
and voltage
variations on
power supply
input lines
IEC 61000-4-
11
< 5 % Uт
(> 95 % dip in Uт)
for 0.5cycle
40 % Uт (60 % dip
in Uт ) for 5 cycle,
6 cycle
70 % Uт (30 % dip
in Uт) for 25 cycle,
30 cycle
<5 % Uт
(< 95 % dip in Uт )
for 5 s
< 5 % Uт
(> 95 % dip in
Uт) for 0.5cycle
40 % Uт
(60 % dip in Uт )
for 5 cycle
70 % Uт
(30 % dip in Uт)
for 25 cycle
<5 % Uт
(< 95 % dip in
Uт ) for 5 s
Main power quality
should be that of a
typical commercial or
hospital environment. If
the user of the PHT-
35LHS image intensifier
requires continued
operation during main
power interruptions, it is
recommended that the
PHT-35LHS image
intensifier be powered
from an uninterruptible
power supply or a
battery.
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 Uт is the a.c. mains voltage prior to application of the test level.