Vortex Flow Meter for Steam & Compressed Air

Jiangsu SIENCUN Instrument Co., Ltd. has recently passed the ISO9001:2015 quality management system recertification audit. The certification covers the design, production and service of industrial automation instruments, confirming that the company continues to meet international standards in process control, quality traceability and customer satisfaction management.

With the development of Industry 4.0, remote monitoring of flowmeters has become key to digital transformation in process industries. Based on public technical standards, this article introduces a flowmeter remote monitoring solution built on IoT, cloud computing, and big data analytics, covering system architecture, communication protocols, data processing, and practical application cases, aiming to improve data collection efficiency, reduce O&M costs, and optimize process control.

The implementation of the new JJG 1033 verification regulation for electromagnetic flowmeters imposes stricter requirements on verification methods, accuracy classes, environmental conditions, and data processing. This article analyzes key changes and their impacts on instrument selection, on-site verification, and enterprise compliance, offering recommendations.

GB/T 18659-2002 'Measurement of conductive liquid flow in closed conduits – Methods for evaluating the performance of electromagnetic flowmeters' is a key national standard. This article interprets its scope, referenced standards, definitions, performance indicators, test methods, and inspection rules, helping engineers and procurement professionals understand requirements and improve selection and application.

This article interprets the definition of accuracy classes for industrial flowmeters, comparing Class 0.5 and Class 0.2 in terms of maximum permissible error, turndown ratio, environmental adaptability, and application scenarios. Examples illustrate the impact of accuracy selection on measurement results, emphasizing that selection should consider process requirements, cost, and maintenance rather than blindly pursuing high accuracy.