This standard specifies the type inspection criteria and documentation requirements for sensitive components and sensors of nuclear power plant protection systems. This standard applies to type inspection of sensitive components and sensors of nuclear power plant protection systems (including inspection of newly developed or improved sensitive components and sensors, but does not include electrical plug-ins of sensors that have been type-inspected according to EJ/T 609).
EJ/T 673-1992 history
2013NB/T 20228-2013 Type testing of measuring sensors and transducers of safety important instrumentation and control system for nuclear power plants
1992EJ/T 673-1992 Criteria for Type Inspection of Sensitive Components and Sensors of Nuclear Power Plant Protection System
EJ/T 673-1992 Criteria for Type Inspection of Sensitive Components and Sensors of Nuclear Power Plant Protection System was changed to NB/T 20228-2013 Type testing of measuring sensors and transducers of safety important instrumentation and control system for nuclear power plants.