This standard specifies the general technical requirements, inspections and tests for the electrical system of industrial x-ray flaw detectors. The standard is applicable to the electrical system of industrial x-ray flaw detectors with rated power supply voltage of AC 220V, 380V or 220V/380V and frequency of 50Hz.
JB/T 6221-2004 history
2012JB/T 6221-2012 Non-destructive testing instruments - The electric general specification for industrial X-ray apparatus
2004JB/T 6221-2004 General electrical technical specifications for industrial X-ray flaw detectors