Welch Allyn Solarc Light Source - User Manual - Manual (Page 25)

Directions for Use Chapter 4 Specifications 23
Surge
IEC 61000-4-5 ±1 kV differential
±2 kV common ±1 kV differential
±2 kV common Mains 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 >95% dip in
0.5 cycle
60% dip in
5 cycles
30% dip for
25 cycles
>95% dip in
5 seconds
>95% dip in
0.5 cycle
60% dip in
5 cycles
30% dip for
25 cycles
>95% dip in
5 seconds
Mains power quality should be that of
a typical commercial or hospital
environment. If the user of the Welch
Allyn Light Source requires continued
operation during power mains
interruptions, it is recommended that
the Welch Allyn Light Source be
powered from an uninterruptible
power supply or battery.
Power frequency
(50/60Hz)
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.
Electromagnetic Immunity
The Welch Allyn Light Source is intended for use in the electromagnetic environment specified
below. The customer or user of the Welch Allyn Light Source should assure that it is used in such
an environment.
Immunity
test IEC 60601
test level Compliance
level Electromagnetic environment - guidance
Portable and mobile RF communications equipment
should be used no closer to any part of the Welch Allyn
Light Source, including cables, than the recommended
separation distance calculated from the equation
applicable to the frequency of the transmitter.
Recommended separation distance
Conducted
RF, IEC
61000-4-6 3 Vrms
150 kHz to
80 MHz 3 Vrms d = (1.17) P