GB/T 2903-2015Copper/Copper-Nickel(Constantan) thermocouple wires (English PDF)
铜—铜镍（康铜）热电偶丝
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
May 15, 2015
Implementation date
December 1, 2015
Scope
GB/T 2903-2015 is the English-translated version of 铜—铜镍（康铜）热电偶丝.
GB/T 2903-2015 is the Chinese standard "Copper/Copper-Nickel(Constantan) thermocouple wires". Its scope clause reads: This standard specifies the copper - copper-nickel (Cu Ni) thermocouple wire product classification, technical requirements, test methods, inspection rules, modes of supply, including Installation and flag.
This standard applies to the manufacture of industrial copper - copper-nickel (constantan) thermocouple (T-type thermocouple) alloy wire (hereinafter referred to as dual wire). Its clauses include terms and definitions; products.
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Document preview — GB/T 2903-2015
National Standard of the People's Republic of China
- ICS
- 17.200.20
- Classification
- N 11
- Replacing
- GB/T 2903-1998
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- 1 Scope
- 2 Normative references
- 3 Terms and Definitions
- 4 Products
1 Scope
This standard specifies the copper - copper-nickel (Cu Ni) thermocouple wire product classification, technical requirements, test methods, inspection rules, modes of supply, including
Installation and flag.
This standard applies to the manufacture of industrial copper - copper-nickel (constantan) thermocouple (T-type thermocouple) alloy wire (hereinafter referred to as dual wire).
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 16701 precious metal, metal thermocouple wire thermal EMF measurement
GB/T 16839.1-1997 Thermocouples - Part 1. indexing table
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 Products
4.1 Product name, code and nominal chemical composition
Product name, code and the name of the chemical composition as shown in Table 1.
Table 1 Product name, code and nominal chemical composition
Product Name polarity code
Nominal chemical composition (mass fraction) /%
Ni Cu
Copper cathode TP - 100
Copper-nickel alloy wire anode TN 45 55
4.2 grade thermocouple wire
Thermocouple wire according to the requirements of tolerance and pyroelectric properties, divided into grade I, II and III grade level classification conditions by the technical requirements.
4.3 dual wire recommended upper temperature limit
Thermocouple wire of various diameters recommended upper temperature limit as shown in Table 2.
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.
Referenced standards
Cited by
- GB/T 6147-2025Test method for thermoelectric power of precision resistance alloys
- GB/T 26282-2021Measuring methods of heat balance of cement rotary kiln
- GB/T 16701-2010Methods for measuring the thermoelectric force of noble metal and base matal thermocouple wires
- GB 16691-2008Portable butane cookers and gas cylinders
- GB/T 16411-2008Universal test methods of gas burning appliances for domestic use
- GB/T 16701.1-1996Methods for measuring the thermoelectric force of noble metal and base metal thermocouple wires
Similar standards
Editions of GB/T 2903
| Edition | Title | Revision | Status |
|---|---|---|---|
| GB/T 2903-2015 | Copper/Copper-Nickel(Constantan) thermocouple wires | current edition | Current |
| GB/T 2903-1998 | Copper/Copper-Nickel(Constantan) thermocouple wires | previous edition | Superseded |
This page sells the current edition, GB/T 2903-2015. Earlier editions are listed for reference only.
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