Typical Weld Output Waveform - Lincoln Electric BULLDOG SVM208-A Service Manual

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TROUBLESHOOTING AND REPAIR

TYPICAL WELD OUTPUT WAVEFORM

MACHINE LOADED
20 volts
MACHINE LOADED TO 125 AMPS AT 23 VAC
This is the typical AC output voltage
generated from a properly operating
machine. Note that each vertical divi-
sion represents 20 volts and that
each horizontal division represents 5
milliseconds in time. The machine
was loaded with a resistance grid
bank.
Note: Scope probes connected at
machine output terminals.
SCOPE SETTINGS
Volts/Div.....................20V/Div.
Horizontal Sweep .....5 ms/Div.
Coupling.............................DC
Trigger.........................Internal
BULLDOG® 140
50V
0 volts
5ms
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