GB/T 12726.4-1995
Radiation monitoring equipment for accident and post-accident conditions in nuclear power plants. Part 4: Process stream radiation monitor (English Version)

Standard No.: GB/T 12726.4-1995
Language: Chinese, Available in English version
Release Date: 1995
Published By: General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
Status: Be replaced 2014-08
Replace By: GB/T 12726.4-2013
Latest: GB/T 12726.4-2013

Scope: This standard specifies the special requirements and design, type selection, layout, inspection and calibration criteria for fixed process radiation monitors used during and after nuclear power plant accidents. This standard is applicable to the fixed equipment used by light water reactors to monitor radioactive substances in the process stream of nuclear power plants during and after the accident. This standard does not apply to: a. Process flow radiation monitoring equipment used under normal and expected operational event conditions; b. Liquid, gaseous and airborne radioactive discharge flow monitoring equipment; c. Air activity monitoring equipment in nuclear power plants.

GB/T 12726.4-1995 history

2013 GB/T 12726.4-2013 Nuclear power plants.Instrumentation important to safety.Radiation monitoring for accident and post-accident conditions.Part 4:Equipment for continuous in-line or on-line monitoring of radioactivity in process streams
1995 GB/T 12726.4-1995 Radiation monitoring equipment for accident and post-accident conditions in nuclear power plants. Part 4: Process stream radiation monitor