I am trying to locate any informatioin regarding the output specifications of the Bard 4400 ESA such as tolerance and load required. A service manual would be nice, if available. Anyone have any ideas?
Wed Feb 08 2012
Bard (Conmed) 4400 ESU
Fri Feb 10 2012Reply from GaryBiomed

Here are some specs and test loads
Not sure if this will help
Output Characteristics
Mode Max. Output Power Max. Open circuit Voltage
Pure Cut 300 W (500 Ω) 2825 Volts P-P
Min Blend 250 W (500 Ω) 4200 Volts P-P
Mid Blend 200 W (500 Ω) 4200 Volts P-P
Max Blend 150 W (500 Ω) 4000 Volts P-P
Coag 100 W (500 Ω) 8400 Volts P-P
Bipolar 50 W (500 Ω) 810 Volts P-P
Frequency: Cut and Bipolar: 493.5 kHz. Coag: 420 kHz
Report Post
Thu Jun 07 2012Reply from Timothy

Did anyone have a service manual or at least a schematic? I have a unit that shows Return Electrode Fault after initialization step. Any suggestions?
Report Post