... high efficiency,rapid respone speed. EFR laser power supply can be used for CO2 laser tubes 60W,80W,100W,120W,130W ... 1. Excellent compatibility. 2. Extending the lifespan of the laser tube. 3. Power supply has a feedback port, which ... can be used for closed-loop control and also for checking the laser tube's operating current. 4. ... ×139×107 352×139×107 power supply for co2 laser tube