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YS/T 368-2015: Test method of thermo-emf for noble metal thermocouple wires. Fuse wire
Status: Valid YS/T 368: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| YS/T 368-2015 | English | 139 |
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3 days [Need to translate]
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Test method of thermo-emf for noble metal thermocouple wires. Fuse wire
| Valid |
YS/T 368-2015
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| YS/T 368-1994 | English | 199 |
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2 days [Need to translate]
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(Thermocouple wire thermoelectric power measurements)
| Obsolete |
YS/T 368-1994
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PDF similar to YS/T 368-2015
Basic data | Standard ID | YS/T 368-2015 (YS/T368-2015) | | Description (Translated English) | Test method of thermo-emf for noble metal thermocouple wires. Fuse wire | | Sector / Industry | Nonferrous Metallurgy Industry Standard (Recommended) | | Classification of Chinese Standard | H68 | | Classification of International Standard | 77.120.99 | | Word Count Estimation | 6,678 | | Date of Issue | 2015-04-30 | | Date of Implementation | 2015-10-01 | | Older Standard (superseded by this standard) | YS/T 368-1994 | | Quoted Standard | GB/T 8170; GB/T 18035-2000; JB/T 6819.2 | | Regulation (derived from) | Ministry of Industry and Information Technology Announcement (2015 No. 28) | | Issuing agency(ies) | Ministry of Industry and Information Technology | | Summary | This Standard specifies the method of measuring precious metal thermocouples with fuse wire in gold (1064.18��C), palladium (1554.8��C), platinum (1773��C) melting point thermal EMF method. This Standard applies to measuring precious metal thermocouple wire diameter within the range of 0.3mm ~ 1.0 mm, other dimensions and thermal emf thermocouple wire in each pure metal melting point measurement can also be carried out with reference. | YS/T 368-2015: Test method of thermo-emf for noble metal thermocouple wires. Fuse wire---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.
Test method of thermo-emf for noble metal thermocouple wires. Fuse wire
ICS 77.120.99
H68
People's Republic of China Nonferrous Metals Industry Standard
Replacing YS/T 368-1994
Thermal precious metal thermocouple wire
EMF measurements fuse Act
Issued on. 2015-04-30
2015-10-01 implementation
Ministry of Industry and Information Technology of the People's Republic of China released
Foreword
This standard was drafted in accordance with GB/T 1.1-2009 given rules.
Instead of the standard YS/T 368-1994 "precious metal thermocouple wire fuse thermal EMF measurement method." This standard with the original standard
Quasi compared to the main changes are as follows.
--- Increased terminology, which uses JB/T 6819.2 "Instrument Material term temperature material" terms and definitions;
--- Modify the accuracy of the test equipment;
--- Modify the purity fuses and treatment methods;
--- Modify the preparation of samples;
--- Refinement of the measurement process control;
--- Joined the fuse and common measurement system of FIG precious metal thermocouple wire energized annealing method;
--- According to GB/T 18035 modified representation dual wire grades.
This standard by the national non-ferrous metals Standardization Technical Committee (SAC/TC243) and focal points.
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 to Lei, Liu Yi, Feng Yan, Huang Shaohua, Zhang Xiaobo.
This standard replaces the standards previously issued as follows.
--- YS/T 368-1994;
--- YB/T 933-1978.
Thermal precious metal thermocouple wire
EMF measurements fuse Act
1 Scope
This standard specifies the method by measuring the fuse wire thermocouple precious metal gold (1064.18 ℃), palladium (1554.8 ℃), platinum (1773 ℃) Melting
Point of thermal EMF method.
This standard applies to measuring the diameter in the range of 0.3mm ~ 1.0mm precious metal thermocouple wire, thermocouple wire and other sizes in
Thermal EMF measurements of each pure metal melting point may also be referring to.
2 Normative references
The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein
Member. For undated references, the latest edition (including any amendments) applies to this document.
GB/T 8170 repair value expressed about the rules and limit values and judgment
GB/T 18035-2000 Method of precious metals and their alloys
JB/T 6819.2 meter material term temperature materials
3 Terms and Definitions
Terms and definitions JB/T 6819.2 defined apply to this document.
4 Method summary
According to a pure metal melting temperature constant and thermocouple intermediate metal law, with a small amount of pure gold, palladium or platinum wire wound around the wire measured hot
Measuring end galvanic, heated to the melting temperature plateau appears, the measured value of the measured thermocouple thermal emf in the melting temperature of the floor, taking the average as measured
The amount of results.
5 test instruments, equipment and materials
5.1 Test instruments and equipment
5.1.1 Low potential DC potentiometer. Accuracy of not less than 0.01 and its corresponding supporting devices, or other equivalent electrically similar accuracy
Measuring equipment.
5.1.2 high-temperature test furnace. furnace length of about 500mm, maximum temperature up to 1800 ℃; the best test furnace hot zone off-center position
Should not exceed 20mm, its average temperature zone length should be 10mm ~ 15mm, the temperature difference should not exceed ± 1 ℃.
5.1.3 thermocouple wire annealing apparatus energized. power supply unit should be equipped with an accuracy of not less than 0.5 meter AC current governor and the like.
5.1.4 freezing thermostat. with crushed ice mixed with water to make the thermostat effective depth should be more than 300mm.
5.2 Material
5.2.1 Fuse. gold, palladium, platinum fuse purity ≥99.99%, φ0.2mm ~ 0.3mm, fully clean, soft annealed state.
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