This is how we inspect machines of this type in our service, every unit under load and with measurements to current standards. The result for this unit is the condition A, B or C shown next to it. You receive the report with measurement results with the service package.
Item
What we check
Power supply and protection
mains cable, plug, protection devices, electrical measurements to EN 60974-4: insulation resistance, protective conductor continuity, leakage current, no-load voltage
Ignition and arc
HF or lift ignition, DC arc stability at several points of the range, current upslope and downslope
Alternating current
AC balance and frequency, waveform, test on aluminium
Control
torch trigger, foot pedal or remote, 2T and 4T modes, pulsing
Gas
gas valve, pre-flow and post-flow, connector tightness
Rated load
test at rated current within the permitted duty cycle, heatsink temperature, thermal protection trip
Panel and programs
all modes, memories and functions according to this unit's panel, display legibility, knobs and buttons
Housing and interior
cleaning with compressed air, condition of boards, capacitors and fans, signs of use, wheels and carrying handles
Service verdict
Condition BCondition B, signs of use
Checked in our workshop in Krotoszyn to the current standards.
Included
Źródło Miller Dynasty 300 DX AC/DC
✅ Oryginalna chłodnica Miller (Dedykowana)
✅ Profesjonalny wózek spawalniczy Miller
✅ Uchwyt TIG 4m, gotowy do pracy
✅ Przewód masowy 3m (Oryginalny)
Description
About this machine
Miller Dynasty 300 DX is an American built TIG AC/DC system with a strong reputation for aluminium and titanium work. This unit comes in the original factory configuration, with the matching cooling unit, trolley and accessories rather than a mix of parts.
Main data:
welding current 5 to 300 A, set steplessly, 300 A at 15 % duty cycle, 180 A at 100 % at 40 degrees C
mains supply 400 V, three phase
liquid cooling with the original Miller unit
processes TIG AC/DC, pulsed TIG and MMA
The set is used and shows normal marks of workshop service. Before sale it was checked in our own service workshop in Krotoszyn against current standards, including inverter stability and cooling performance.
The price covers the first year of our basic service package. Used machines are sold without a commercial warranty. You get a VAT invoice and we ship on a pallet to any EU country. Companies in the EU with an active EU VAT number are invoiced at 0 % VAT.
Service package for this machine
annual inspection, priority response, replacement machine, discount on parts and wires
Essential cookies run the cart and the session, they are always on. With your consent we enable statistics (Google Analytics) and advertising (Google Ads): we count visits and campaign performance. You can change your choice at any time. Privacy policy
Essential cookies are always on, without them the cart and login will not work.
