The biggest difference between ultrasonic and electromagnetic flow meters is that ultrasonic flow meters do not require a conductive liquid to work. They also measure gases but fare less well with liquids that contain many solids or bubbles. Ultrasonic meters are able to withstand high temperatures and high pressure.

It cannot be used to detect vapor, steam and vapor containing a large amount of vapor. It can not be used to detect vapor materials with very low electrical conductivity, electromagnetic flowmeter can not detect petroleum products or organic solvents, etc.

They have limitations in the fluids they can accurately measure. Heavily contaminated fluids and slurry flows can result in the ultrasonic waves being unable to pass though the fluid, rendering the meter incapable of accurately measuring the flow.

They use ultrasonic pulses to measure the depth and velocity of the water to be able to calculate the flow rate (flow). These systems are very easy to install due to simpler installation and can save money based on the time it takes to install the flume or weir.

Electromagnetic flowmeter is a commonly used measuring tool in water purification systems and dosing systems to detect the volumetric flow rate of conductive liquids. It works based on Faraday's law of electromagnetic induction: when a conductive fluid flows perpendicular to the direction of the magnetic field, an electromotive force is generated i

Electromagnetic flow meters, or magmeters, are comprised of a transmitter and sensor that together measure flow. The magnetic flow meter's sensor is placed inline and measures an induced voltage generated by the fluid as it flows through a pipe.

They play a crucial role in a wide range of industries, including petrochemical, pharmaceutical, food and beverage, water treatment, and more. The primary purpose of flow transmitters is to provide accurate and real-time data on the flow rate of a fluid.