025-0169-311 Revision: B
Page 40 of 52
8
Technical specifications
8.1
Impedance Measurement
•
Range 1 to 3000 Ohms (
Ω
), 1
Ω
resolution
•
Before and during lesion in LESION mode
•
Before STIMULATION mode
•
During TRANSDISCAL Placement mode
•
During Cooled RF Auto Temp mode
•
During TRANSDISCAL Treatment mode
•
During RFA Placement mode
•
During RFA Treatment mode
•
During IDL mode
8.2
Stimulation
•
Stimulation Amplitude Ranges:
Voltage mode: 0.0-10 V, 0.1 V increment
Current mode: 0.0-10 mA, 0.1 mA increment
•
Stimulation rate:
1-Shot, 2, 5, 10, 20, 50, 75, 100, 150, 180, and 200 Hz
•
Stimulation pulse duration:
0.1, 0.2, 0.5, and 1.0 ms
8.3
RF Output
•
RF energy :
460.8 kHz
±
1 %, Quasi-sinusoidal
•
Maximum power:
50 W (available into an impedance range of 60
Ω
- 520
Ω
, resistive.)
Outside this range, the Generator reduces available power to comply with
specified voltage and current limits.
•
Applied part of patient circuit is not referenced to earth at high frequency
•
The maximum output of 50 W is restricted by:
o
Maximum voltage:
o
Maximum current:
o
Maximum peak voltage:
160 V
rms
0.9 A
rms
254 V (under normal operating conditions)
•
Power output is available into loads of 25
Ω
- 3000
Ω
•
100
Ω
is the nominal “rated” load.
8.4
Measurement Accuracy (at time of manufacture)
•
Power
±
5 %,
±
0.25 W
•
Impedance
o
25 – 1000
Ω
:
o
1001 – 3000
Ω
:
±
10 %,
±
10
Ω
±
20 %,
±
10
Ω
o
Multi-RF Mode: Accuracy subject to condition that impedances of all other probes are within 100-1000
Ω
;
accuracy defined at ambient temperature of 25°C
•
Temperature:
±
3
°
C for thermocouple probes
•
Elapsed Time:
±
1 s/min