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GB/T 18034-2023: Specification for the platinum rhodium thermocouple thin wires used in rapid temperature measuring thermocouple
Status: Valid GB/T 18034: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 18034-2023 | English | 219 |
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Specification for the platinum rhodium thermocouple thin wires used in rapid temperature measuring thermocouple
| Valid |
GB/T 18034-2023
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| GB/T 18034-2000 | English | 359 |
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Specification for the platinum rhodium thermocouple thin wires used in mini-thermocouples
| Obsolete |
GB/T 18034-2000
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PDF similar to GB/T 18034-2023
Basic data | Standard ID | GB/T 18034-2023 (GB/T18034-2023) | | Description (Translated English) | Specification for the platinum rhodium thermocouple thin wires used in rapid temperature measuring thermocouple | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | H68 | | Classification of International Standard | 77.150.99 | | Word Count Estimation | 10,152 | | Date of Issue | 2023-05-23 | | Date of Implementation | 2023-12-01 | | Older Standard (superseded by this standard) | GB/T 18034-2000 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 18034-2023: Specification for the platinum rhodium thermocouple thin wires used in rapid temperature measuring 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.
ICS 77:150:99
CCSH68
National Standards of People's Republic of China
Replacing GB/T 18034-2000
Specification for platinum-rhodium fine wire for rapid temperature measurement thermocouple
Released on 2023-05-23
2023-12-01 Implementation
State Administration for Market Regulation
Released by the National Standardization Management Committee
foreword
This document is in accordance with the provisions of GB/T 1:1-2020 "Guidelines for Standardization Work Part 1: Structure and Drafting Rules for Standardization Documents"
drafting:
This document replaces GB/T 18034-2000 "Specification for Platinum-rhodium Fine Wires for Miniature Thermocouples": Compared with GB/T 18034-2000, except
Apart from structural adjustments and editorial changes, the main technical changes are as follows:
a) Changed the scope of application of the standard (see Chapter 1, Chapter 1 of the:2000 edition);
b) The original definition of terms in the original document was deleted, and the definitions of "rapid temperature measuring thermocouple" and "palladium point" were added (see Chapter 3,
Chapter 3 of the:2000 edition);
c) Two supply states of dual wire M and Y2 are added (see 4:1:2);
d) The allowable deviation, out-of-roundness, surface roughness and minimum weight of a single pair of wires with different diameters have been changed (see
5:1, 5:3 of the:2000 edition);
e) Changed the allowable deviation range of uneven thermal electromotive force (see 5:4, 5:6 of the:2000 edition);
f) Deleted the B-type temperature measurement category III level in the product classification (see 5:7 of the:2000 edition);
g) The thermal electromotive force of the gold point (1064:18°C) in the thermal electromotive force and allowable error has been deleted (see 5:7 of the:2000 edition);
h) The test method for the surface quality of even wires has been changed (see 6:3, 6:3:1 of the:2000 edition);
i) Added the test method of platinum even wire purity homonymous pole comparison method (see 6:3):
Please note that some contents of this document may refer to patents: The issuing agency of this document assumes no responsibility for identifying patents:
This document is proposed by China Nonferrous Metals Industry Association:
This document is under the jurisdiction of the National Nonferrous Metals Standardization Technical Committee (SAC/TC243):
This document is drafted by: Guiyan Platinum Co:, Ltd:, Intepa Platinum Co:, Ltd:, Shenzhen Zhongjin Lingnan Nonferrous Metals Co:, Ltd:
Co:, Ltd:, Nonferrous Metal Technology and Economic Research Institute Co:, Ltd:, Chongqing Materials Research Institute Co:, Ltd:
The main drafters of this document: Feng Yan, Zhou Yinghui, Zhu Wuxun, Wu Fei, Xiang Lei, Wu Baoan, Deng Chenglei, Tang Huiyi, Zhang Rong, Yin Keqin, Zhang Xiaobo,
He Lunying, Yang Zhixian, Zuo Hongyi, Yang Ping:
This document was first published in:2000, and this is the first revision:
Specification for platinum-rhodium fine wire for rapid temperature measurement thermocouple
Caution --- Personnel using this document should have practical experience in formal laboratory work: This document does not address all possible security issues
question: It is the user's responsibility to take appropriate safety and health measures and ensure compliance with the conditions stipulated in relevant national regulations:
1 Scope
This document specifies the classification and marking, technical requirements, inspection methods, inspection rules, marks,
Packaging, transportation, storage and accompanying documents and order form content:
This document is applicable to the manufacture of platinum-rhodium 10-platinum (type S), platinum-rhodium 13-platinum (type R) and platinum-rhodium 30-platinum-rhodium 6 (type B) and other graduated thermocouples
Platinum rhodium fine wire (hereinafter referred to as "wire") products:
2 Normative references
The contents of the following documents constitute the essential provisions of this document through normative references in the text: Among them, dated references
For documents, only the version corresponding to the date is applicable to this document; for undated reference documents, the latest version (including all amendments) is applicable to
this document:
GB/T 5977 Platinum wire for resistance thermometers
GB/T 8170 Numerical rounding off rules and expression and determination of limit values
GB/T 15077 Geometric Dimensions Measurement Methods of Precious Metals and Their Alloys
GB/T 16701 Measurement method of thermal electromotive force of precious metal and base metal thermocouple wire
GB/T 18036 Measurement method of thermal electromotive force of platinum rhodium thermocouple filament
JB/T 6819:2 Instrument material term temperature measurement material
3 Terms and Definitions
The following terms and definitions defined in JB/T 6819:2 apply to this document:
3:1
Consumable thermocouples for measuring the temperature of molten steel and high-temperature molten metal:
Note: Even wires are divided into two categories: measuring temperature and determining carbon: Temperature-measuring dual wires are used to quickly measure the real-time temperature of molten steel and high-temperature molten metal;
Measure the real-time temperature of molten steel and high-temperature molten metal to reflect the carbon content inside:
3:2
palladium point palladium point
The temperature point at which a palladium fuse with a purity of not less than 99:99% melts:
4 Classification and labeling
4:1 Classification of even wires
4:1:1 Calibration number (type), name, polarity and nominal chemical composition of even wire
The graduation number (model), name, polarity and nominal chemical composition of the even wire shall comply with the provisions in Table 1:
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