... With glass or ceramic tube Output current 5mA NDT Equipmentsinclude portable X-ray flaw detector, X-ray pipeline crawler, X-ray ... , aerosatics,railroad,pressure vessel,boiler,petroleum,chemical and national defense.- Portable X-ray flaw detector is made up by x-ray ... , the tube voltage and exposing time can be preset, the timer is digital. The controllers have over-voltage protection, over-current ...