On site online measurement calibration method for DC-LWGY-50 flowmeter

The online calibration of flow meters ensures precise operation, requires safe operation, preset standard source comparison analysis, and parameter adjustment to achieve preset accuracy. Record key data to verify effectiveness. Accurate operation ensures accurate measurement and provides data support for industrial production.

Abstract generated by the author through intelligent technology

As a measuring instrument in industrial processes, the accuracy and stability of flow meters are directly related to the control accuracy and economic benefits of the production process. On site online measurement calibration is a key step in ensuring the continuous and accurate operation of flow meters, and strict operating procedures and scientific methods must be followed.

Firstly, it is necessary to ensure that safety conditions are met, cut off non essential flow, and reduce the impact on the process during calibration. By presetting a standard flow source or using a high-precision portable calibration device, it can be connected in series or parallel with the flow meter to be calibrated, simulating the flow conditions in the actual working environment. Using professional calibration software, synchronously collect flow meter output signals and standard flow values for real-time comparison and analysis. Adjust the internal parameters of the flowmeter, such as zero point, range, linearity, etc., until both readings reach the preset accuracy range. During the calibration process, pay attention to recording key data such as error values before and after calibration, ambient temperature, pressure, etc., for subsequent tracking and review. After calibration is completed, a period of stable operation verification is required to ensure that the calibration effect is long-lasting and effective. Through this series of precise operations, the accuracy of flow meter measurements is effectively guaranteed, providing solid data support for industrial production.