TJ DP-523K rapid scanner laser subsurface engraving machine adopts the advanced galvanometer scanner technology together with the 3Khz diode-pumped laser to greatly imcrease the engraving speed; and it adopts the all-in-one structure to greatly save the operation space. This model is excellent in small dimensions, low power consumption, good laser quality, high efficiency, easy maintenance, etc. It can finish engraving a 3d portrait in only 1 min. TJ DP-523K Technical Specification Laser Frequency: 3000Hz Maximum Engraving Speed:120000~180000dots/min Maximum Power of the Whole Machine: 1KW Number of Laser Heads: 1 Water Medium: Deionized water or pure water Spare Part: None Laser Medium Diode-pumped :Nd: YAG Laser Wavelength :532nm Cooling Medium :R134A Continuous Working Time :12 hrs Weight of the Whole Machine: 170kgs Dimension of the Whole Machine:570mm?50mm?220mm Maximum Engraving Range: Φ60mm?5mm