Why is the accuracy of insertion type magnetic inductive flowmeter not high?

Time: 2024-07-26
Equipment Configuration:magnetic inductive flowmeter

The low accuracy of insertion electromagnetic flowmeters can be mainly attributed to the following reasons:

Project Overview

  1. The influence of structural characteristics:
  • The anti-interference ability of the insertion electromagnetic flowmeter is weak, and its probe usually measures the local flow velocity at a specific position inside the pipeline (such as 1/4 of the inner diameter of the pipeline), rather than the flow velocity distribution across the entire cross-section.

  • This type of local measurement may result in inaccurate estimates of the overall pipeline flow rate.

  • Influence of installation conditions:

  • The installation position and method of the insertion electromagnetic flowmeter also have an important impact on the measurement accuracy. For example, factors such as the distance between the sensor and the pipe, the diameter and thickness of the pipe, the insertion depth of the sensor, and the direction of fluid flow may all affect measurement accuracy.

However, despite its relatively low accuracy, its low price and high cost performance still give it certain application advantages when the accuracy requirements are not high. .

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