Enraf Nonius 4 Series - Page 61

Page 61 of 72 EN109-1498751-47 IFU
Amplitude
modulation
Duty cycle
Pulse
duration
RTPA
Amplitude
modulation
Duty cycle
Pulse
duration
RTPA
16Hz
5%
3.1ms
20
48Hz
50%
10.4ms
2
16Hz
10%
6.3ms
10
48Hz
80%
16.7ms
1.25
16Hz
20%
12.5ms
5
48Hz
100%*
20.8ms
1
16Hz
33%
20.6ms
3
100Hz
5%
0.5ms
20
16Hz
50%
31.3ms
2
100Hz
10%
1ms
10
16Hz
80%
50ms
1.25
100Hz
20%
2ms
5
16Hz
100%*
62.5ms
1
100Hz
33%
3.3ms
3.33
48Hz
5%
1ms
20
100Hz
50%
5ms
2
48Hz
10%
2.1ms
10
100Hz
80%
8ms
1.25
48Hz
20%
4.2ms
5
100Hz
100%*
10ms
1
48Hz
33%
6.9ms
3.33
* = continuous mode
Generator
Peak output Amplitude:
Duty cycle 5 – 50 % : 0 – 3 W/cm²
Duty cycle 80 % : 0 – 2.5 W/cm²
Duty cycle 100 % : 0 – 2 W/cm² (continuous wave)
Peak output power for 5 cm² applicator:
Duty cycle 5 – 50 % : 0 – 15 W
Duty cycle 80 % : 0 – 12 W
Duty cycle 100 % : 0 – 10 W (continuous wave)
Peak output power for 0.8 cm² applicator:
Duty cycle 5 – 50 % : 0 – 2.4 W
Duty cycle 80 % : 0 – 2 W
Duty cycle 100 % : 0 – 1.6 W (continuous wave)
Output meter uncertainty : ± 20 % for any output above 10 % of maximum
Pulse frequency : 16, 48 and 100 Hz ± 1 %
Duty cycle : 5 – 80 % and 100 % (100 % is continuous wave)
Pulse duration : 0.5 – 8 ms ± 10 % (set by duty cycle)
Temporal Peak to Average Ratio (RTPA) : 20 – 1.25 ± 10 % (set by duty cycle)
Treatment timer : 0 – 30 min ± 0.1 min, linked to contact control
Contact control level : 65%
5 cm² Applicator
Ultrasound frequency:
1 MHz : 0.98 MHz ± 5 %
3 MHz : 3.1 MHz ± 5 %
ERA (Effective Radiation Area):
IEC 60601-2-5: 2000 : 4 cm
2
21 CFR 1050.10 : 5 cm
2