Subcategory for specialized equipment that continuously monitors and measures radiation levels in manufacturing sites. Handles radiation monitoring devices legally required to be installed in nuclear-related facilities, medical device manufacturing, non-destructive testing, and radioisotope-using factories. Covers a wide range from purpose-specific monitoring devices such as area monitors, personal dosimeters, survey meters, dust monitors, and liquid monitors to continuous monitoring systems with data logger functions. Specializes in radiation safety management equipment for manufacturing industries compliant with Industrial Safety and Health Act and Radiation Hazards Prevention Act, distinguished from general measuring instruments and medical equipment, focusing on high-precision monitoring devices for industrial applications.