Chattanooga Cefar TENS Manual Del Usuario página 240

2 4 0 C E F A R T E N S
declaration - IMMUNITY to proximity fields from RF wireless communications equipment
Cefar TENS is intended for use in an electromagnetic environment in which RF wireless
communications equipment are controlled.
Immunity
Test Test
frequency
385 MHz
450 MHz
710 MHz
745 MHz
780 MHz
Radiated
810 MHz
RF
870 MHz
IEC
930 MHz
61000-4-3
1720 MHz
1845 MHz
1970 MHz
2450 MHz
5240 MHz
5500 MHz
5785 MHz
Note * - As an alternative to FM modulation, 50 % pulse modulation at 18 Hz may be used because
while it does not represent actual modulation, it would be worst case.
Note** - The carrier shall be modulated using a 50 % duty cycle square wave signal.
IEC60601 test level
Maximum
Modulation
power
**Pulse
Modulation: 1.8W
18Hz
*FM+ 5Hz
deviation: 2 W
1kHz sine
**Pulse
Modulation: 0.2 W
217Hz
**Pulse
Modulation: 2 W
18Hz
**Pulse
Modulation: 2 W
217Hz
**Pulse
Modulation: 2 W
217Hz
**Pulse
Modulation: 0.2 W
217Hz
Compliance
Immunity level
level
27 V/m 27 V/m
28 V/m 28 V/m
9 V/m 9 V/m
28 V/m 28 V/m
28 V/m 28 V/m
28 V/m 28 V/m
9 V/m 9 V/m
Electromagnetic
environment -
guidance