Author: Site Editor Publish Time: 2024-01-19 Origin: Site
With the process of globalization, electromagnetic water meters, as a modern water meter type, are widely used around the world. Different countries and regions have formulated a series of regulations and standards to ensure product quality, safety and environmental protection. The following will introduce and compare the production regulations and standards of electromagnetic water meters at home and abroad.
In China, the production and use of electromagnetic water meters are regulated by relevant national regulations and standards, and are mainly controlled by the following documents:
GB/T 778.1-2012 General specifications for electromagnetic flowmeters: This standard specifies the technical requirements, performance test methods and inspection rules for electromagnetic flowmeters.
JJG 162-2011 Electromagnetic flowmeter calibration regulations: This is issued by the General Administration of Quality Supervision, Inspection and Quarantine of China, stipulating the calibration methods and procedures for electromagnetic flowmeters.
"Type Test Procedures for Water Meter Measuring Instruments": This procedure was formulated by the General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China and includes relevant provisions for type testing of electromagnetic water meters.
In the international market, different countries and regions have formulated their own regulations and standards, some of which are based on international standards. In Europe, the United States and other regions, electromagnetic water meter production is guided by the following standards:
ISO 4064-1:2014 Water Meters Part 1: Operation and Volume for Cold Water Part 1: This is published by the International Standards Organization (ISO) and specifies the requirements for operation and volume of water meters, which also includes electromagnetic water meters. .
EN 14154-1:2016 Flowmeters for use in water meters Part 1: Electromagnetic flowmeters: This is a European standard that details the performance requirements and test methods for electromagnetic flowmeters.
AWWA C703-08 Electromagnetic Induction Water Meter: A standard issued by the American Water Industry Association (AWWA) to guide the design and production of electromagnetic induction water meters.
Comparative analysis shows that domestic and foreign standards have similar performance requirements for electromagnetic water meters, and they all focus on aspects such as accuracy, stability and durability. And the flow measurement principles of electromagnetic water meters are basically the same, and they all use electromagnetic induction technology.
However, standards formulated by different countries have different numbers and systems, and although the performance requirements of each standard are basically the same, there may be some subtle differences in specific test methods and procedures.
To sum up, as a modern water meter type, electromagnetic water meters are subject to strict regulations and standards at home and abroad. By comparing domestic and foreign regulations and standards, technical exchanges and cooperation can be promoted and the healthy development of the electromagnetic water meter industry can be jointly promoted. At the same time, electromagnetic water meter manufacturers and consumers can also have a clearer understanding of product quality and performance requirements and make more reasonable choices.
