Tweco 300 TS Arcmaster(Feb2006) - Manual (Page 16)

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2.0 INTRODUCTION AND DESCRIPTION
2.01 Description
The Thermal Arc™ ArcMaster 300 TS is a single/three-phase DC arc welding power source with Constant
Current (CC) output characteristics. This unit is equipped with a Digital Volt/Amperage Meter, gas control
valve, built in Sloper and Pulser, lift arc starter, and high-frequency arc starter for use with Gas Tungsten Arc
Welding (GTAW), Gas Tungsten Arc Welding-Pulse (GTAW-P), Gas Tungsten Arc Welding-Sloped (GTSW-S),
and Shielded Metal Arc Welding (SMAW) processes. The power source is totally enclosed in an impact
resistant, flame resistant and non-conductive plastic case.
30 0A 5A (A)
(V)
OCV
STICK Process
300A 25A (A)
(V)
OCV
10V
300A (A)
(V)
OCV
5A
LIFT-TIG Process HF TIG Process
Figure 1. Model 300 TS Volt-Ampere Curve
Note 1
Volt-Ampere curves show the maximum Voltage and Amperage output capabilities of the welding
power source. Curves of other settings will fall between the curves shown.