BS EN 61515:2016
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Mineral insulated metal-sheathed thermocouple cables and thermocouples
| Published By | Publication Date | Number of Pages |
| BSI | 2016 | 32 |
This International Standard establishes the requirements for simplex, duplex and triplex mineral-insulated metal-sheathed thermocouple cables and thermocouples, which are intended for use in general industrial applications. The abbreviation MIMS (for “ mineral-insulated metal-sheathed”) will be used hereafter. It covers thermocouple cables and thermocouples with only base-metal conductors of Types T, J, E, K and N. The specifications in this standard apply to new thermocouple cables and thermocouple units as delivered to the user. They do not apply to the product after use.
External seals, terminations, connections and other accessories are not within the scope of this International Standard.
This standard does not apply to precious metal thermocouple cables and thermocouples. The special requirements for nuclear primary loop applications are dealt with in the other standards.
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 4 | European foreword Endorsement notice |
| 5 | Annex ZA (normative) Normative references to international publications with their corresponding European publications |
| 6 | English CONTENTS |
| 8 | FOREWORD |
| 10 | INTRODUCTION |
| 11 | 1 Scope 2 Normative references 3 Terms and definitions |
| 12 | 4 General principles 4.1 A MIMS thermocouple |
| 13 | 4.2 Electromotive force 4.3 Materials and their properties 4.3.1 Sheath 4.3.2 Conductors 4.3.3 Insulation materials 4.4 Maximum operating temperature 4.5 Dimensions 4.5.1 Transverse section of MIMS thermocouple cables and thermocouples |
| 14 | 4.5.2 Transverse section of simplex cable and thermocouple Figures Figure 1 – Transverse section of simplex Tables Table 1 – Dimensional specifications of simplex |
| 15 | 4.5.3 Transverse section of duplex cable and thermocouple Figure 2 – Transverse section of duplex Table 2 – Dimensional specifications of duplex |
| 16 | 4.5.4 Transverse section of triplex cable and thermocouple 5 Requirements and verification tests 5.1 General Figure 3 – Transverse section of triplex Table 3 – Dimensional specifications of triplex |
| 17 | 5.2 MIMS thermocouple cables: requirements and verification tests 5.2.1 Structure and mechanical properties Table 4 – Tests for MIMS thermocouple cables and thermocouples |
| 18 | 5.2.2 Electrical characteristics and performance |
| 19 | Table 5 – Test voltage for dielectric strength Table 6 – Minimum insulation resistance at ambient temperature (MIMS cables) |
| 20 | 5.3 MIMS thermocouples: requirements and verification tests 5.3.1 Structure and mechanical properties Figure 4 – Longitudinal section of a grounded junction Table 7 – Insulation resistance at elevated temperatures (MIMS cables) |
| 21 | Figure 5 – Longitudinal section of an insulated junction |
| 22 | 5.3.2 Electrical characteristics and performance |
| 23 | Table 8 – Minimum insulation resistance at ambient temperature Table 9 – Insulation resistance at elevated temperatures (MIMS thermocouples) |
| 24 | 6 Delivery condition for thermocouple cables 7 Packaging 8 Marking 9 Certification |
| 25 | Annex A (informative)Alternative adjacent conductor configurations A.1 General A.2 Duplex cable and thermocouple A.3 Triplex cable and thermocouple Figure A.1 – Alternative adjacent conductor configuration for duplex |
| 26 | Figure A.2 – Alternative adjacent conductor configuration for triplex (1) Figure A.3 – Alternative adjacent conductor configuration for triplex (2) |
| 27 | Figure A.4 – Alternative adjacent conductor configuration for triplex (3) |
| 28 | Annex B (informative)Mineral insulation material chemical composition Table B.1 – Example values of recommended magnesia (MgO) – Chemical composition in weight percent Table B.2 – Example values of recommended alumina (Al2O3) –Chemical composition in weight percent |
| 29 | Annex C (informative)Indicative upper temperature limits Table C.1 – Indicative temperature limits of MIMS thermocouple sheath and conductor combinations |
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