GB/T 4989-2013
ActiveExtension and compensating cables for thermocouples
热电偶用补偿导线
Application Summary AI generated
GB/T 4989-2013 specifies the technical requirements, classification, and testing methods for extension and compensating cables used with thermocouples in temperature measurement systems. It applies to industrial process control, power generation, and laboratory environments where accurate signal transmission from thermocouples to instruments is critical, ensuring minimal thermal EMF errors. The standard covers cable materials, insulation, color coding, and tolerance limits to maintain measurement integrity across varying ambient conditions.
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Transparency note: The application summary and key sentences on this page were automatically generated by AI from the standard's original text. This content has not been human-verified and should not be used for compliance or regulatory purposes. Always refer to the official standard document from the issuing authority.