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- DC arc welding (MMA/e-hand). MMA/electrode manual metal arc welding is a universal welding process as it can be used under almost all conditions. Various electrodes with different polarities can be connected during MMA/electrode manual metal arc welding.
- DC TIG arc welding (DC TIG). TIG arc welding with direct current. The polarity of the tungsten electrode is either positive or negative during the entire welding process.
- TIG pulse welding. In TIG pulse welding, a base current and a high pulse current of the same polarity are added at regular intervals to optimize the arc properties for the desired welding applications. This avoids the risk of burn-through in thin materials and reduces the deformation of the material caused by the heat.
- AC TIG arc welding (AC TIG). TIG arc welding with alternating current. The polarity of the electrode alternates between positive and negative during the entire welding process. Mainly used for welding aluminum and aluminum alloys.
- AC TIG pulse welding. With AC TIG pulse welding, the pulse and alternating current modes are mixed, allowing an even more perfect welding result to be achieved.
- Spot function. An integrated spot function is used for spot welding thin sheets and body parts.
- Job memory. Memory option for self-configured settings / presets. Numerous memory locations are available.
- Anti-stick (MMA). If the electrode sticks to the workpiece, the welding current is automatically reduced. The electrode does not burn out and can be easily detached from the workpiece.
Features & advantages
- Hot start (MMA). Automatic voltage increase at the start for better ignition results. Prevents sticking of the stick electrode by briefly superimposing the set welding current and heats up the start of the weld seam more quickly.
- Hot start (TIG). The hot start function enables a more even and stable arc start and increases the efficiency of arc welding. The hot start current can be set between 30-150 A.
- IGBT technology. Powerful, innovative solution that sets new standards in welding technology.
- Smart cooling. A powerful fan enables maximum duty cycle to be utilized through excellent cooling.
- ST-Guard housing. Is ergonomic, robust and reliable. The control panel is easily accessible and intuitive to operate.
- Gas advance. Thanks to the gas pre-flow, the shielding gas flow starts before the arc is ignited. This prevents the workpiece from coming into contact with air at the start of welding. This protects the tungsten electrode from excessive wear and the weld seam from oxidation. The gas lead time can be set individually depending on the welding requirements.
- Gas run-on. After the arc goes out, the tungsten electrode is cooled down by the gas run-on time and the weld pool is protected from oxidation. The gas run-on time can be set individually depending on the welding requirements.
- Starting current. Current used when starting the ignition before it changes to the set welding current (4T).
- Welding current. Infinitely variable welding current.
- Final current. Current that comes on at the end of ignition before the ignition goes out (4T).
- Current rise. After complete ignition of the arc, the welding process enters the current increase phase, in which the welding current is increased linearly from the set start current value to the desired welding current value (4T).
- Current reduction. After the torch button has been pressed and released again (4T), the device enters an automatic current reduction phase. Prevents blowholes (end craters) at the end of the weld seam.

- AC frequency. Depending on the material used, the frequency density of the AC waveform can be optimized. This accelerates the welding performance and improves the weld seam shape.
- AC balance. This function can be used to adjust the positive and negative current cycles for better breaking up of the oxide layer in the horizontal direction during AC TIG welding.
- Cleaning current. The cleaning current is used to break up the oxide layer in the longitudinal direction and to accelerate the formation of the weld pool.
- Pulsed current. The pulse current is a higher welding current that alternates periodically with the lower base current.
- Pulse width. The pulse width is the duration of a single pulse. The pulse width can be used to set the duration of the pulse current.
- Pulse frequency. The pulse frequency determines how often the current alternates between the set pulse and base current values in a defined period of time.
- Note: The device is not intended for use in residential areas where power is supplied via a public low-voltage supply system. It may be difficult to ensure electromagnetic compatibility in these areas due to both conducted and radiated interference.
Technical Data
| Model: | Welding machine AC/DC TIG 200 Pulse Pro |
| Output current (TIG / MMA): | 5 - 200 A / 30 - 160 A |
| TIG duty cycle (40°C): | 25% at 200 A / 60% at 150 A / 100% at 120 A |
| MMA duty cycle (40°C): | 25% at 160 A / 60% at 110 A / 100% at 90 A |
| TIG AC duty cycle (40°C): | 25% at 200 A / 60% at 150 A / 100% at 120 A |
| Protection class: | IP21S |
| Mains voltage: | 1 x 230 V AC |
| Mains frequency: | 50 Hz |
| Open circuit voltage (TIG DC and MMA / TIG AC): | 68 V / 48 V |
| Maximum mains current (I1max) | (TIG / MMA): | 28 A |
| Maximum effective mains current (I1eff) | (TIG / MMA): | 15,6 A |
| Weight: | 17.5 kg |
| Dimensions L x W x H (mm): | 450 x 245 x 430 |
| Mains connection: | CEE 7/7 Schuko plug |
| Standards: | IEC 60974-1; EN 60974-10 (Class A) |
| Certified by: | TÜV Rheinland |
Scope of delivery
- 1 x STAHLWERK AC/DC TIG 200 Pulse Pro Digital welding machine
- 1 x Professional TIG welding torch "WP-26 FR" / hose package 3 meters with remote control. Flexible torch head and kink protection on the gas connection.
- 1 x TIG TIG accessory set 8 pieces:
- 3 x gas nozzles sizes: 5, 6, 7
- 1 x clamping sleeve size 1.6
- 1 x clamping sleeve housing size 1.6
- 2 x torch caps - one short and one long
- 1 x universal tungsten electrode 1.6 mm
- * Pre-assembled accessories from the illustration of the welding torch are included in the 8-piece set.
- 1 x gas connection hose with quick coupling 5 m
- 1 x earth clamp 3 m cable with 13 mm mandrel plug
- 1 x quick coupling gas pressure reducer incl. O-seal
- 1 x TIG ER70S G3 steel welding rods
- 1 x welding rods TIG ER307Si high-alloy stainless steel
- 1 x welding rods TIG ER4043Si5 high-alloy aluminum
- 1 x tungsten electrodes / welding electrodes
- 1 x TIG foot pedal Puls Pro with 4 m cable
- 1 x slag hammer
- 1 x wire brush
- 1 x protective cover
- 1 x pressure reducer
- 1 x professional welding helmet
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Manufacturer information
STAHLWERK Schweissgeräte Deutschland GmbH was founded in 1998 and offers original welding equipment as a manufacturer. We are your professional and reliable welding equipment supplier. Product safety carries the registered trademark STAHLWERK. The company responsible for product safety is STAHLWERK Schweissgeräte GmbH
located in Bornheim
Mainstraße 4
53332
Germany. For questions regarding product safety
please contact us at the electronic address info@stahlwerk-schweissgeraete.de or by phone at +49 228 24331713. The person responsible for product safety is Alexander Hamann.
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