Welch Allyn Video Colposcope - User Manual - Manual (Page 39)

Directions For Use Specifications 37
Electromagnetic Immunity
The REF 880 and 890 Series Video Colposcope is intended for use in the electromagnetic environment specified below. The customer or user of
the REF 880 and 890 Series Video Colposcope should assure that it is used in such an environment.
Immunity Test IEC 60601
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
Mains power quality should be that of a typical commercial or
hospital environment.
Surge
IEC 61000-4-5
±1 kV differential mode
±2 kV common mode
±1 kV differential mode
±2 kV common mode
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 REF 880 and 890
Series Video Colposcope requires continued operation during
power mains interruptions, it is recommended that the REF
880 and 890 Series Video Colposcope 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.