GB/T 3369-1989
AbolishedAnalogue direct current signals for industrial process measurement and control instruments
工业自动化仪表用模拟直流电流信号
Application Summary AI generated
This standard specifies the range and characteristics of analogue direct current signals used for transmitting measurement and control information between industrial process instruments. It is applied in manufacturing and process automation systems to ensure compatibility and interchangeability of signal transmission between sensors, controllers, and actuators. The standard is critical for designing and testing industrial measurement and control equipment that rely on 4-20 mA or similar DC signal loops.
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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.