Welch Allyn CP 100, Руководство по обслуживанию

Страница: 86 / 96

80 Appendix B EMC Guidance and Manufacturer’s Declarations Welch Allyn CP 100 and CP 200 Electrocardiograph
Table 16. Electromagnetic Immunity
The electrocardiograph is intended for use in the electromagnetic environment specified below. The customer or user of the electrocardiograph
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
Not applicable
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 electrocardiograph
requires continued operation during power mains
interruptions, it is recommended that the electrocardiograph
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.