Oscilloscope waveforms, Troubleshooting & repair, 50 volts 2ms ch1 – Lincoln Electric SQUARE WAVE TIG 255 SVM100-A User Manual
Page 72
SQUARE WAVE TIG 255
F-31
TROUBLESHOOTING & REPAIR
NORMAL OPEN CIRCUIT VOLTAGE WAVEFORM
DC STICK MODE
CAUTION
HIGH VOLTAGE / HIGH FREQUENCY can damage test equipment.
• Perform all voltage and waveform checks with high frequency circuit OFF.
_____________________________________________________________________
0 volts
50 volts
2ms
CH1
This is the typical DC (+) output voltage
waveform generated from a properly operat-
ing machine. Note that each vertical divi-
sion represents 50 volts and that each hori-
zontal division represents 2 milliseconds in
time.
Note: Scope probes connected at machine
output studs: (+) probe to electrode, (–)
probe to work.
Volts/Div................................50 V/Div.
Horizontal Sweep .................2 ms/Div.
Coupling .........................................DC
Trigger .....................................Internal
SCOPE SETTINGS