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TROUBLESHOOTING & REPAIR |
NORMAL OPEN CIRCUIT VOLTAGE WAVEFORM
AC TIG MODE
CAUTION
HIGH VOLTAGE / HIGH FREQUENCY can damage test equipment.
•Perform all voltage and waveform checks with high frequency circuit OFF.
•Perform High Frequency Disable Procedure.
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50 V
This is the typical AC output voltage wave- form generated from a properly operating machine. Note that each vertical division represents 50 volts and that each horizontal division represents 2 milliseconds in time.
Note: Scope probes connected at machine
output terminals: (+) probe to electrode,
0 V
2 ms
SCOPE SETTINGS
Volts/Div | 50 V/Div. |
Horizontal Sweep | 2 ms/Div. |
Coupling | DC |
Trigger | Internal |
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