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YS/T 378-2009 English PDF

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YS/T 378-2009: Noble metal wires for industrial thermocouple
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PDF similar to YS/T 378-2009


Standard similar to YS/T 378-2009

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Basic data

Standard ID YS/T 378-2009 (YS/T378-2009)
Description (Translated English) Noble metal wires for industrial thermocouple
Sector / Industry Nonferrous Metallurgy Industry Standard (Recommended)
Classification of Chinese Standard H68
Classification of International Standard 77.120.99
Word Count Estimation 11,149
Date of Issue 2009-12-04
Date of Implementation 2010-06-01
Older Standard (superseded by this standard) YS/T 378-1994; YS/T 379-1994
Quoted Standard GB/T 5978; IEC 584-1-1995; IEC 584-2-1995
Adopted Standard IEC 584-1-1995, IDT; IEC 584-2-1995, IDT
Regulation (derived from) MIIT [2009] No. 66
Issuing agency(ies) Ministry of Industry and Information Technology
Summary This standard specifies: industrial precious metal thermocouple wire product classification, technical requirements, test methods, inspection rules, modes of supply, logo, packaging, transportation, storage and purchase order (or contract) content. This standard applies to the manufacture of industrial thermocouples precious metal wire (hereinafter referred to as dual wire).

YS/T 378-2009: Noble metal wires for industrial thermocouple

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Noble metal wires for industrial thermocouple ICS 77.120.99 H68 People's Republic of China Nonferrous Metals Industry Standard Replacing YS/T 378-1994, YS/T 379-1994 Industrial precious metal thermocouple wire Posted 2009-12-04 2010-06-01 implementation Ministry of Industry and Information Technology of the People's Republic of China released

Foreword

This standard is YS/T 378-1994 "industry with platinum and rhodium thermocouple 10 - platinum thermocouple wire", YS/T 379-1994 "industry platinum thermocouple Rhodium 30 - 6 platinum and rhodium thermocouple wire "integration amendment. This standard YS/T 378-1994, YS/T 379-1994 compared to the main changes are as follows. --- The two standards into a single standard, and increases the R-type thermocouple wire on this basis; --- This standard is equivalent to IEC 584-1.1995 "Thermocouples Part 1. indexing table" and IEC 584-2.1995 "first thermocouple Part 2. Tolerances "in the S-type, R-type and B-type thermocouple indexing table, and tolerance level; --- This standard uses terminology JB/T 6819.2 "material term instrument temperature materials"; --- Remove the indexing table contained in the original standard thermocouples, thermocouples are listed in the main point temperature thermal emf in the appendix of this standard And tolerance, in order to facilitate dual wire test; --- Increasing the relevant physical parameters of melting points, density, resistivity, etc; --- Modify the purity of platinum wire (resistance ratio) values; --- Improved test equipment and test methods, eliminating the fuse measurement of B-type thermocouple wire; --- Modify the representation dual wire grades under the provisions of GB/T 18035 of. From the date of implementation of this standard, but instead of YS/T 378-1994, YS/T 379-1994. Appendix A of this standard is a normative appendix. Appendix B of this standard is an informative annex. This standard by the National Standardization Technical Committee of non-ferrous metals and centralized. This standard was drafted. Your research Platinum Ltd., China Nonferrous Metals Industry Standards and Metrology Institute for Quality. Drafters of this standard. Wu Fei, Zhu Wuxun, He Dongjiang to Lei. This standard replaces the standards previously issued as follows. --- YB/T 1529-1979, YB/T 1530-1979; --- YS/T 378-1994, YS/T 379-1994. Industrial precious metal thermocouple wire

1 Scope

This standard specifies the use of precious metals industrial thermocouple wire product classification, technical requirements, test methods, inspection rules, modes of supply, standard Chi, packaging, transportation, storage and purchase order (or contract) content. This standard applies to the manufacture of industrial precious metal thermocouple wire (hereinafter referred to as dual wire).

2 Normative references

The following documents contain provisions which, through reference in this standard and become the standard terms. For dated references, subsequent Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to the agreement are based on research Whether the latest versions of these documents. For undated reference documents, the latest versions apply to this standard. GB/T 5978 resistance thermometers with platinum wire resistance than the test method IEC 584-1.1995 Thermocouples Part 1. indexing table IEC 584-2.1995 Thermocouples Part 2. Tolerances

3 Requirements

3.1 Categories 3.1.1 name even silk, grades, on behalf of the chemical composition, and the polarity of the code shown in Table 1. Table 1 Name brand Nominal chemical composition /% Pt Rh Code Polarity Platinum-rhodium alloy wire 10 Pt90Rh 90 10 SP positive Platinum wire Pt 100 - SN, RN negative 13 platinum-rhodium alloy wire Pt87Rh 87 13 RP positive 30 platinum-rhodium alloy wire Pt70Rh 70 30 BP positive 6 platinum and rhodium alloy wire Pt94Rh 94 6 BN negative 3.1.2 grade thermocouple wire Thermocouple wire according to requirements and thermoelectric properties were divided into grade Ⅰ, grade Ⅱ and Ⅲ grade classification conditions by the technical requirements. 3.1.3 thermocouple wire recommended upper temperature limit as shown in Table 2. Table 2 Model long-term use temperature limit/℃ Short-term temperature limit/℃ S type 13,001,600 R type 13,001,600 Type B 16,001,700 3.1.4 tag example Products labeled in the following format.

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