T/SXICS 001-2023 Active

Scope: This document specifies the general requirements, metrological characteristics, calibration conditions, calibration items and methods, calibration result expression, and calibration intervals for pure water machines. This document applies to the calibration of monitoring parameters for newly manufactured, in-use, and repaired pure water machine systems. Main technical contents: 1. Scope 2. Normative reference documents 3. Overview 4. General requirements 5. Metrological characteristics 6. Calibration conditions 6.1 Environmental conditions 6.2 Measurement standards and other equipment 7. Calibration items and methods 7.1 Calibration items 7.2 Calibration methods 8. Calibration result expression 9. Calibration intervals Appendix A (informative): Concentration and conductivity values of conductivity standard solutions Appendix B (informative): Format example of a calibration certificate for monitoring parameters of pure water machine systems (internal pages) Appendix C (informative): Example of uncertainty evaluation of reference errors for electronic units Appendix D (informative): Example of uncertainty evaluation of reference errors for instruments Appendix E (informative): Example of uncertainty evaluation of indication errors for instruments Appendix F (informative): Example of uncertainty evaluation of flow indication errors (weighing method) Appendix G (informative): Example of uncertainty evaluation of flow indication errors (direct measurement method) Appendix H (informative): Example of uncertainty evaluation of capacity indication errors