Function and features: 1. Range of application: PE pipe and pipe fitting. 2. Pipe diameter range: 20~630 mm 3. Output power: 3.5 kw, 8 kw, 12 kw 4. Input voltage: 220 v 5. Input frequency: 40~65 hz 6. Weight of machine: 20 kgs. 7. Dimension of machine: 300*200*250 mm 8. Data input mode: manually by keypad input, or automatically by barcode scanner input. Technical specification: 1. High-level MCU is used as control core, with abundant parameter setting, measuring and perfect protective function. 2. High brightness LCD, Chinese and English operation, man-machine interactive interface. 4. Wide power supply and voltage input, suitable for on-the-spot electric network wave. 5. High precision control to electric energy and time, insuring welding quality. 6. Swiftly output response time when power supply breaks, high stability. 7. Optimizing design and SMT welding craftwork, reducing failure rate of whole machine. 8. 10 phases programmable welding functions, suitable for welding requirement of various fittings. The machine is contained in a aluminum-alloy box, and then packed in carton. The dimension of aluminum-alloy box is 460-240-300 mm.