How to choose a flow meter?

It’s about separating rainwater from sewage, right? In areas with plenty of rainwater, open-channel systems are recommended; in areas with less rainwater, the same approach is advised as well

For open sewage ditches, an open-channel flow meter can be selected. If it is pipeline transportation, an electromagnetic flowmeter is still the better choice as it requires less maintenance. Clean the electrodes regularly or at appropriate intervals. Orifice plates tend to clog when used for measuring sewage, requiring extensive maintenance. In short, choose based on the degree of dirtiness of the medium.

Open ditches use open channels. Do not use orifice plates for pipeline sewage. Using electromagnetic and ultrasonic waves.

The five key performance features of orifice plate flow meters are as follows: 1. They are easy to install, offer good cost-performance ratios, come with a full range of functions, and ensure reliability in production processes. 2. The orifice plate flow meter is manufactured in accordance with international standards, and its manufacturing process is guided by strict scientific data; thus, the calculations related to the orifice plate are more scientific, enabling it to perform at its best during testing. 3. It has a wide range of measurement applications, suitable for various environments. It can be used simultaneously without significant limitations; all types of single-phase flows can be measured, and it can also be applied to partially mixed flows. This largely ensures versatility in application areas, allowing different services to be provided based on environmental requirements. 4. It is simple to operate; simple measurements can be carried out by following the instructions. This not only saves on installation costs but also allows for wide application in various fields, thereby opening up better market opportunities. 5. The orifice plate flow meter does not require pressure lead pipes; it can be connected directly to differential pressure transmitters and pressure transmitters. Its simple design ensures wide applicability.

Thanks for the lesson; I also took a look at the classification of some open-channel products!

For measuring sewage, if the flow rate is high and it comes from channels, use a Hach tank. If it is a pipeline, an electromagnetic flowmeter can be chosen. It depends on how convenient it is to use it on-site

Your requirements are way too minimal. For channels, use open-channel flow meters; for large pipes, ultrasonic methods can be used, while for small pipes, electromagnetic methods and similar ones can be employed