This recommended practice provides guidance for theimplementation of ANSI/ISA-67.04.01- 2006 in the followingareas:
a) Methodologies, including sample equations to calculate totalchannel uncertainty;
b) Common assumptions and practices in instrument uncertaintycalculations;
c) Equations for estimating uncertainties for commonly usedanalog and digital modules;
d) Methods to determine the impact of commonly encounteredeffects on instrument uncertainty;
e) Application of instrument channel uncertainty in setpointdetermination;
f) Sources and interpretation of data for uncertaintycalculations;
g) Discussion of the interface between setpoint determinationand plant operating procedures, calibration procedures, andaccident analysis;
h) Documentation requirements.
Purpose
The purpose of this recommended practice is to presentguidelines and examples of methods for the implementation ofANSI/ISA-67.04.01-2006 in order to facilitate the performance ofinstrument uncertainty calculations and setpoint determination forsafety-related instrument setpoints in nuclear power plants.
- Edition:
- 10
- Published:
- 12/10/2010
- Number of Pages:
- 173
- File Size:
- 1 file , 1.5 MB
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