Welch Allyn Electrosurgical Unit - User Manual - Manual (Page 13)

AUDIBLE SIGNALS AND LIGHTS FOR OPERATION AND ALARM:
MAIN . . . . . . . . . . . . . . . . . . . . . . . . . . . .green light
ALARM, PATIENT PLATE CONTINUITY . . .low pitch intermittent audible alarm
- red light
ALARM, OUTPUT POWER . . . . . . . . . . . .higher pitch intermittent audible alarm
CUT AND BLEND MODES . . . . . . . . . . . .low pitch audible signal - yellow light
COAGULATION MODE . . . . . . . . . . . . . . .high pitch audible signal - blue light
NOTE: Specifications subject to change.
OUTPUT POWER AT 500 OHMS
PURE CUT . . . . . . . . . .100 W RMS (open circuit 830 Vp-p; crest factor 1.43)
Waveform: sinusoidal at 450 KHz
BLEND CUT . . . . . . . .100 W RMS (open circuit 1200 Vp-p; crest factor 2) Wave-
form: sinusoidal at 450 KHz
Duty cycle: 60%
COAGULATION . . . . . .80 W RMS (open circuit 3800 Vp-p; crest factor 5.5)
Waveform: sinusoidal at 450 KHz
Duty cycle: 10%
Output Power Diagrams according to PAR.6.8.3 (IEC 601-2-2)
Tolerance: 20% according to PAR.50.2 (IEC 601-2-2)
II. SYSTEM FEATURES (cont.)
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Electrosurgical Unit • Instruction Manual