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Digital Welding Inverters
Digital Welding Inverters
Electronics Devices offers Sigma Weld Series welding machines. These are sophisticated IGBT based inverters with total digital control having wide current range, designed to meet varied requirement of the welding industry with MIG welding inverters for 170 A, 400 A and 500 A range. The company offers Digital Welding Inverters, Model SWMIG. Advanced micro controller technology enables to have excellent soft start, digital display for both current and voltage, adaptive adjustable inductance for both 2T and 4T operations, crater current and crater voltage features. Separate wire feed units can be mounted on the inverter or taken to work location with longer interconnection cables for added flexibility to the welder. The unit automatically controls the wire feed speed to suit the set current and voltage levels and ensures smooth welding with finer control repeatedly. Features: IGBT based solid state inverter design – latest technology used for full bridge topology to ensure reliable, superior weld control every time; portable – operator can move from one place to another place without any difficulty; low OCV – during energy saving, OCV goes down to as low as 20 V DC for added safety and energy saving; adaptive soft start – ensures the wire feed speed is automatically controlled from a slow start to the set current and voltage levels to eliminate globule formation at the end of wire and gives clean start each time; single increment range –digital front panel allows the operator to set the current and voltage is required in single increment also; crater current and crater voltage – programmable crater current and crater voltage setting for smooth weld finish; and safe and reliable – low OCV and protection against prolonged output short, IGBT over current, IGBT short circuit current, welding over current, thermal overload.