ANSI/ISA-67.01.01:2019

ANSI/ISA-67.01.01-2019, Transducer and Transmitter Installation for Nuclear Safety Applications, offers detailed methods for monitoring and verifying the performance of nuclear safety-related instrument channels in nuclear power plants, covering sensors for pressure, differential pressure, temperature and neutron flux. It includes procedures for calibration, response-time testing, channel checks, functional tests and cable tests to confirm that instrumentation meets required accuracy, response time and stability criteria essential for safe plant operation.This document supports both direct and indirect test methods, including advanced online monitoring techniques that enable continuous performance assessment during normal plant operation, facilitating early detection of drift or degradation. Implementing these practices helps maintain high reliability and safety of instrumentation systems, optimize maintenance efforts, reduce costs and comply with regulatory standards, thereby contributing to the overall safety and efficiency of nuclear power facilities.