Lincoln Electric RANGER 10,000 Service Manual page 74

F-34
TYPICAL DC WELD OUTPUT WAVEFORM (CV MODE)
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TROUBLESHOOTING & REPAIR
MACHINE LOADED
20 volts
MACHINE LOADED TO 200 AMPS AT 20 VDC
This is the typical CV output voltage
generated from a properly operating
machine. Note that each vertical
division 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
RANGER® 10,000 & RANGER® 10,000 PLUS
CH1
0 volts
5 ms
F-34