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Power Consumption
Maximum mains current 100-120 VAC 220-240 VAC
Idle 0.3 A 0.15 A
Cut 5.0 A 2.5 A
Coag 2.4 A 1.2 A
Bipolar 1.3 A 0.65 A
Power Factor Correction
Idle 0.85 0.70
Cut 0.99 0.98
Coag 0.98 0.97
Bipolar 0.95 0.93
Power Cord
Hospital Grade three prong connector
Power Duty Cycle
Under maximum power conditions, the Mega Power generator is designed to operate
safely with activation times of 10 seconds on, 30 seconds off for one hour.
Audio Volume
The MEGA POWER system is designed to generate the following audio levels:
Mode Frequency Volume Adjustability
Pure Cut 840 Hz ± 10 % 40 to 65 dB
ACE 840 Hz ± 10 % 40 to 65 dB
Blend 840 Hz ± 10 % 40 to 65 dB
Coag Standard 520 Hz ± 10 % 40 to 65 dB
Coag Spray 520 Hz ± 10 % 40 to 65 dB
Bipolar 480 Hz ± 10 % 40 to 65 dB
Bipolar Monitor 800 to 1600 Hz ± 10 % 40 to 65 db
Power Limit Alarm(One beep) 1980 Hz ± 10 % > 65 dB non-adjustable
Errors (Two beeps) 1980 Hz ± 10 % > 65 dB non-adjustable
CQM (Three Beeps) 2550 Hz ± 10 % > 65 dB non-adjustable
Contact Quality Monitor
Megadyne recommends the use of the Mega 2000 Patient Return Electrode. Due to the
built-in safety (self current limiting) of the Megadyne Mega 2000 patient return electrode,
the CQM limitation is no longer essential.
If a disposable split pad is used with the Mega Power, the system will perform as follows:
Acceptable Resistance Range (thermal safety).
Return electrode: 5 to 135 ohms or up to 30% increase in the initial measured contact
resistance between the return pad and the patient.
CQM Alarm Activation (thermal safety)
When the measured resistance exceeds the aforementioned parameters, the CQM
indicator will flash red, an alarm tone will sound twice, and the RF output will be disabled.
The Mega Power system will remain in this mode until the unsafe condition is corrected.
RS232C Port
This communication port is located in the back panel behind a removable plate. The
RS232 Port is used for calibration. See the calibration section in the Service Manual for
details.
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