Flow Meters & Metering Systems

Understanding the Different Types of Water Flow Meters

A water flow meter is an essential part of any plumbing or irrigation system. It gauges how much and how quickly liquid is emitted from a water source. Homes and businesses need a steady supply of water, thus the water system needs to be monitored and measured to make sure it complies with all regulations.


There are many different kinds of water flow meters available for use in home and commercial settings, and picking the proper one is essential. You can use it to assess the effectiveness of your watering system as well as spot any possible issues or current issues that require quick attention. 


Here is a closer look at the many water flow meter types and the various applications for them.


Mechanical Flow Meters

The main types of mechanical water meters used in North America are Positive Displacement and inferential water meters. Positive displacement meters include rotating piston and nutating disc. These meters are mainly used to measure water consumption in residential applications. Most inferential meters use propeller blades to measure flow. They are normally used in applications where higher flow rates are present (industrial and commercial applications). Mechanical flow meters are the most typical form of flow meter used in irrigation due to their lower cost. Despite being relatively affordable, mechanical flow meters may require more maintenance when particles are present in the water.


Electromagnetic Flow Meters

Magnetic flow meters use electromagnetic measuring elements to determine the velocity of water. Water meters of this sort can often measure water flow in both directions, making them ideal for measuring untreated water, as well as wastewater.


Vortex Flow Meters

This water flow meter monitors the vortex that water creates when it travels through a device that measures flow rate. When a vortex is nearby, a sensor in vortex flow meters flexes. The sensor tab then generates a pulse that precisely calculates the water flow rate. Vortex flow meters also monitor temperature, water density, water pressure, and mass flow in addition to flow rate. Using insertion vortex meters, they can also gauge the flow rates of water in big piping networks.


Ultrasonic Flow Meters

Ultrasonic flow meters work by sending and receiving sound signals between two transducers and measuring the transit time it takes for the sound signal to travel between the two sensors. Some of these meters have internal transducers, clamp-on ultrasonic meter is mounted to the pipe’s exterior wall. In order to measure water flow, pulses are sent through the pipes.



To learn more about the Avanti Company and the services and products we provide, including flow meters and on-site flow meter testing, please visit us online or call us at 800.284.5231.


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