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GB/T 4989-2013 English PDF

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GB/T 4989-2013: Extension and compensating cables for thermocouples
Status: Valid

GB/T 4989: Historical versions

Standard IDUSDBUY PDFLead-DaysStandard Title (Description)Status
GB/T 4989-2013459 Add to Cart 4 days Extension and compensating cables for thermocouples Valid
GB/T 4989-1994199 Add to Cart 2 days Extension and compensating cables for thermocouples Obsolete
GB 4989-1985359 Add to Cart 3 days Extension and compensating cables for thermocouples Obsolete

Similar standards

GB/T 20730.2   GB/T 19146   GB/T 22065   GB/T 1226   GB/T 4994   GB/T 4993   

Basic data

Standard ID: GB/T 4989-2013 (GB/T4989-2013)
Description (Translated English): Extension and compensating cables for thermocouples
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: N11
Classification of International Standard: 17.200.20
Word Count Estimation: 20,255
Older Standard (superseded by this standard): GB/T 4989-1994
Quoted Standard: GB/T 2828.1; GB/T 2829; GB/T 2951.11; GB/T 2951.12; GB/T 2951.14; GB/T 16839.1; IEC 60584-3-2007
Regulation (derived from): National Standards Bulletin 2013 No. 27
Issuing agency(ies): General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary: This standard specifies the thermocouple compensation wire product classification, technical requirements, test methods, inspection rules, marking, and packaging. This standard applies to indexing number is S, R, K, N, E, J and T is equipped with a thermo

GB/T 4989-2013: Extension and compensating cables for thermocouples

---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.
Extension and compensating cables for thermocouples ICS 17.200.20 N11 National Standards of People's Republic of China Replacing GB/T 4989-1994 Thermocouple compensation wire Issued on. 2013-12-31 2014-08-15 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

This standard was drafted in accordance with GB/T 1.1-2009 given rules. This standard replaces GB/T 4989-1994 "thermocouple wire, with the compensation." This standard compared with GB/T 4989-1994, the main changes are as follows. --- Adjust the standard structure, increasing the foreword, normative references, terms and definitions of three sections; --- Silver shield material increases the copper wire two kinds of stainless steel; --- Thermal emf tolerance prescribed ASTME230-2003 been modified; --- Insulation resistance of insulating materials to make different requirements, respectively. The standard proposed by China Machinery Industry Federation. The standard instrument functional materials by the National Standardization Technical Committee (SAC/TC419) centralized. This standard is drafted by. Chongqing Institute of Materials. Participated in the drafting of this standard. Shaoxing Chunhui Automation Instrumentation Co., People's Liberation Army Navy in regional aviation military SU Xi Generation Table room, Changzhou 8 benefit cable Limited, Chongqing large positive temperature Instrument Co., Ltd., Jiangsu Huaxin Alloy Co., Ltd. Zhejiang Yueqing East Factory, China Testing Technology Research Institute, Anhui days Kang (Group) Co., Ltd., Tianjin nine letter Electronics Co., Ltd., Changzhou City Lucheng Albert Alloy Factory, Chongqing Sichuan Instrument Automation Co., Ltd. Metallic Functional Materials Branch, the Electrical and Mechanical Technology Co., Ltd. in Zhejiang, Anhui Blue Tak Holdings Co., Ltd., Anhui Xin National Instrument Co., Ltd., Shanghai Yan Xin Alloy Co., Ltd., Hangzhou Xiaoshan has Luks instrument cable Ltd., Changzhou innovation Instrument Materials Co., Ltd. Zhejiang Lunte Electrical Co., Ltd. The main drafters of this standard. Chen Lixin, Liu Qingbin, Zou Hua, Tang Rui Ying Lun Ho, Ya Hung Kai Fu, Liu Rencong, Yuan Qin Hua, Wu Xinghua, Once matt, Zhou Yu step, Majin Ting, Wang Bowei, XU Yong-hong, Ren Zu Jian, Wang Zhao Lan, Pan hundred, Feng Xiong, Lu Xiang root, Shen Yan to Wu gallons. The standard standard replaces the previous editions. --- GB/T 4989-1985, GB/T 4989-1994. Thermocouple compensation wire

1 Scope

This standard specifies the thermocouple compensation wire product classification, technical requirements, test methods, inspection rules, labeling, packaging and so on. This standard applies to indexing number is S, R, K, N, E, J and T thermocouples equipped with Compensation wire (hereinafter referred to as compensation wire). make up Wire insulation and sheathing polyvinyl chloride, polytetrafluoroethylene and alkali glass as the main material. For other materials, if we can meet this standard Quasi-technical requirements, can also be used.

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 2828.1 Sampling procedures for inspection - Part 1. by acceptance quality limit (AQL) retrieval batch inspection sampling plan GB/T 2829 Periodic inspection Sampling procedures and tables (for inspection of process stability) GB/T 2951.11 and optical cables - Common test methods for insulating and sheathing materials - Part 11. General test methods and thickness Dimensions measuring mechanical tests GB/T 2951.12 cable and the cable Common test methods for insulating and sheathing materials - Part 12. General test methods for thermal aging experiment method GB/T 2951.14 cable and the cable Common test methods for insulating and sheathing materials - Part 14. Test methods for common cold test GB/T 16839.1 Thermocouples - Part 1. indexing table IEC 60584-3.2007 Thermocouples Part 3. Extension and compensating cables - Tolerances and identification system 3 Terms and definitions, symbols 3.1 Terms and Definitions The following terms and definitions apply to this document. 3.1.1 The nominal value of the same pair with an insulating layer in a range of temperatures (including room temperature) has matched thermocouple thermal emf The wires are connected with a thermocouple measuring device to compensate for errors they thermocouple junction temperature changes arising from compensation guide Extend the line is divided into two kinds and compensation type. 3.1.2 Extended compensation wire extensioncables Extended compensation wire type wire, also known as extended, on behalf of the chemical composition of an alloy wire and the nominal value of the thermal electromotive force and equipped with dual wire thermocouple The same, it is by the letter "X" appended to the thermocouple indexing number, eg "EX". 3.1.3 Compensated compensation wire compensatingcables Compensated compensation wire, also known as compensated wire, alloy wire in the name of its chemical composition and is equipped with dual wire thermocouple different, but its thermal electromotive force
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