AXFG series Non Destructive(NDT) X-ray Flaw detector is equipped with a rippled ceramic x-ray tube. Some of the advantages of using rippled ceramic x-ray tube are: higher voltage and power, smaller size, higher stability and longer service life. With its long service life, good shockproof ability, compact size and lightweight design, AXFG X-ray flaw detector is the best choice for most applications.The max. depth of metal that the AXFG X-ray Flaw Detector can penetrate is 150mm.