... and PWM signal can control the laser power.6) The power supply possesses open circuit protection: Under the ... condition of good protective earthing, the power supply can work in open-circuit for a ... judging which part is damaged, laser tube or laser power.9) Application: Acrylic sculpture, cut; fabric sculpture, ... ×W×H=280*173*97(mm) High quality of 80W laser power supply for CO2 laser machine