Lincoln Electric SVM 119-A service manual Normal Open Circuit Voltage Waveform, Scope Settings

Models: SVM 119-A

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F-22

TROUBLESHOOTING & REPAIR

F-22

 

 

NORMAL OPEN CIRCUIT VOLTAGE WAVEFORM

SCOPE SETTINGS

This is a typical DC output voltage wave-

 

 

form generated from a properly operating

Volts/Div

.20 V/Div.

machine. Note that each vertical division

 

 

represents 20 volts and that each horizontal

Horizontal Sweep

.2 ms/Div.

division represents 2 milliseconds in time.

 

 

Note: Scope probes connected at machine

Coupling

. . . . .DC.

 

 

output terminals: (+) probe to electrode, (-)

Trigger

. .Internal.

probe to work.

 

 

 

 

 

WIRE-MATIC 255

Page 73
Image 73
Lincoln Electric SVM 119-A service manual Normal Open Circuit Voltage Waveform, Scope Settings