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Miller Syncrowave 250 DX TIG Welder

Miller Syncrowave 250 DX TIG Welder

Top Features

  • 3 - 310 Amps Welding Range
  • AC Balance Control, Dual Digital Meters
  • Last Procedure Recall
  • Processes: Stick (SMAW), TIG (GTAW), Pulsed TIG

Syncro Start™ for customized arc starts allows the operator to choose from three different starting conditions to optimize the application according to tungsten diameter and material thickness.

Product Details


Welding Amperage Range: 3 - 310 A
Rated Output: 250 A at 30 VAC, 40% duty cycle, 60 Hz
Maximum OCV: 80 V
Input Power: Requires 1-phase power
Weight: 378 lb (172 kg)
Dimensions: H: 33.25" (845 mm) W: 22.5" (572 mm) L: 25" (635 mm)


Stick (SMAW)


Pulsed TIG

Additional Features

Squarewave output with AC balance control features adjustable penetration and cleaning action while increasing arc stability on various aluminum alloys, and helps eliminate tungsten spitting and arc rectification. Dual digital meters allow for quick and easy viewing of actual and preset values of amperage and voltage. Last procedure recall automatically recalls the last procedure set-up when switching polarity. Built-in preflow/postflow provides 0.2 - 5 seconds of preflow and 0 - 50 seconds of postflow. Built-in consumable storage located on the front panel allows the operator to store and readily access the needed consumables to be more productive. Fan-On-Demand™ operates only when needed — reducing noise, power consumption, and the amount of airborne contaminants pulled through the machine. Lift-Arc™ start provides TIG arc starting without the use of high frequency. LVC™ Line Voltage Compensation keeps output of the power source constant regardless of fluctuation in input power ± 10%. Adaptive Hot Start™ for Stick automatically increases output amperage at the start of a weld should the start require it and prevents the electrode from sticking and creating an inclusion.

Options, Accessories and Related Equipment

No. 37 Running Gear
Remote Foot Control
Pulsed TIG Control
See Miller AD/4.2 for a full list of options and accessories

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Miller Syncrowave 250 DX TIG Welder

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Airgas, an Air Liquide company, is a leading U.S. supplier of industrial, medical and specialty gases, as well as hardgoods and related products; one of the largest U.S. suppliers of safety products; and a leading supplier of ammonia products and process chemicals.