目录简介 | Contents Foreword 1 Scope 2 Normative quoted documents 3 Terms and definitions 4 Technical features 5 Requirements 6 Test methods 7 Rules of inspection 8 Mark, packing, transportation and storage Appendix A (Normative Appendix) Table of Density and Enthalpy Value of Water Appendix B (Normative ) Structure and Installation of Platinum Resistance Temperature Sensor Appendix C (Normative ) Optical Interface and Data Communication Appendix D (Normative ) Test and Calculation of Metering Accuracy of Heat Meter Appendix E (Normative ) Test and Calculation of Accuracy of Calculator Appendix F (Normative ) Test and Calculation of Accuracy of Temperature Sensor |