This recommended practice provides guidance for theimplementation of ISA-S67.04.01-2000 (equivalent toANSI/ISA-S67.04, Part I, 1994) in the following areas:
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 ofISA-S67.04.01-2000 in order to facilitate the performance ofinstrument uncertainty calculations and setpoint determination forsafety-related instrument setpoints in nuclear power plants.
- Edition:
- 00
- Published:
- 01/01/2000
- ANSI:
- ANSI Approved
- Number of Pages:
- 156
- File Size:
- 1 file , 1.5 MB
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