GB/T 48181-2026Technical specification for differential pressure multi-parameter measuring transmitter (English PDF)

GB/T 48181-2026 is the English-translated version of 差压测量多参数检测变送器技术规范.

Process measurement frequently requires a single instrument to report several quantities at once. This document is a technical specification for differential pressure multi-parameter measuring transmitters, devices that sense differential pressure and provide further measured parameters through one unit. It sets out the technical expectations for such transmitters as a product type.

Manufacturers of process instrumentation can use it to define and verify their designs, and engineering contractors, plant operators and procurement teams in industries such as chemicals, energy, water and manufacturing may cite it when specifying instruments. Calibration and test laboratories will find it relevant when assessing the performance of delivered devices. The standard is a recommended national standard, so its use is voluntary unless required by contract or rule. It was issued on 28 August 2026 and takes effect on 1 March 2027. It is an original Chinese document and does not adopt an international standard.

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 35 pages — is available in the English PDF.

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