GB/T 4990-2010Alloy wires of extension and compensating cables for thermocouples (English PDF)

1 Scope

This standard specifies the thermocouple compensation wire alloy wire product classification, technical requirements, test methods, inspection rules, marking, packaging and the like.

This standard applies to indexing number is S, R, K, compensation wire alloy wire N, E, J and T thermocouple with use (hereinafter referred to as alloy 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 228 metal materials at room temperature tensile test method

GB/T 1598 platinum and rhodium 10 - platinum thermocouple wire, platinum and rhodium 13 - platinum thermocouple wire, platinum and rhodium 30 - 6 platinum and rhodium thermocouple wires

GB/T 2614 nickel-chromium - nickel silicon thermocouple wire

GB/T 2903 copper - copper-nickel (constantan) thermocouple wire

GB/T 4989 thermocouple compensation wire

GB/T 4993 nickel-chromium - copper-nickel (constantan) thermocouple wire

GB/T 4994 iron - copper-nickel (constantan) thermocouple wire

GB/T 6146 precision resistance alloys Resistivity Test Method

GB/T 17615 Ni-Cr-Si - Ni-Si-Mg thermocouple wire

3 Terms and symbols

4 Products