... Panoramic X ray Flaw Detector 2.With Glass tube 3.Output voltage30-100KV 4.Output current 5mA 5.Max penetration 4mm(Fe) x ray- Portable X-ray ... voltage and exposing time can be preset, the timer is digital. The controllers have over-voltage protection, over-current protection ... and exposing time can be preset, the timer is digital. The controllers have over-voltage protection, over-current protection ...