Gendex GX CB-500 - Electromagnetic or Other Interference (Emissions and Immunity)

13-6
Gendex GXCB-500
TM
Service Manual
G990710 30 June 2008
Electromagnetic or other Interference
(Emissions and Immunity)
The System was tested and found to comply with the limits for Class
B equipment, pursuant to IEC 60601-1-2. These limits are designed
to provide reasonable protection against harmful interference in a
commercial environment. The system generates, uses, and can
radiate electromagnetic energy and if not installed and used in
accordance with these instructions, may cause harmful interference
to surrounding equipment. Also portable and mobile RF
communications equipment can effect the operation of the system.
Proper precautions and equipment location should be observed,
refer to the following table:
The System is intended for use in an electromagnetic environment specified below. The
Customer or User should ensure that the system is used in such an environment.
Immunity Test Compliance Level Electrostatic Environment - Guidance
IEC 61000-4-2
Electrostatic
Discharge (ESD)
+6 kV Contact
+
8 kV Air
Floors should be wood, concrete or ceramic tile. If
floors are synthetic, the relative humidity should be
at least 30%
EFT
IEC 61000-4-4
+2 kV Mains
+
1 kV I/Os
Mains power quality should be that of a typical
commercial or hospital environment.
Surge
IEC 61000-4-5
+1 kV Differential
+
2 kV Common
Mains power quality should be that of a typical
commercial or hospital environment.
Voltage Dips/
Dropout
IEC 61000-4-11
>95% Dip for 0.5 cycle
60% Dip for 5 cycles
30% Dip for 25 cycles
>95% Dip for 5
seconds
Mains power quality should be that of a typical
commercial or hospital environment. If the user
requires continued operation during power mains
interruptions, it is recommended that the system be
powered from an uninterruptible power supply.
Power Frequency
50/60 Hz
Magnetic Field
IEC 61000-4-8
3A/m Power frequency magnetic fields should be that of
a typical commercial or hospital environment.
Conducted RF
IEC 610000-4-6
3 Vms 150 kHz to 80
MHz
Portable and mobile communication equipment
should be separated from the system by no less
than 19 feet (6 meters).