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Flow Meter

Water flow meter with digital display

When we talk about water flow meter with digital display, we often refer to turbine flow meter, magnetic flow meter, rotameter with transmitter, or digital vortex flow meters.

Water flow meter with digital display Types

A digital flow meter is a device that is used to take measures on volumes of liquid or gas. A digital water flow meter, on the other hand, is a device responsible for taking flow measures on water volumes also with digital indicator to show water flow rate and total flow. There exist a variety of electronic water flow meters with display display that are in use today, and they operate quite differently from each other. Some of the common digital water flow meters in use today include:

  • Digital turbine flow meter for water
  • Digital magnetic flow meter for water
  • Positive displacement flow meter for water
  • Metal tube rotameter for water measurement
  • Digital Vortex flowmeter for water measurement

Digital Turbine Flowmeter for water

Digital Turbine Flowmeter for water

The digital turbine water flow meter is the most common water flow meter in use today. The reason behind this is due to its affordable nature to those intending to fit such devices in their homes. This device measures the speed of the water running through a pipe with the help of a rotating piston or turbine that is fitted on it. It is important to note that when turbine flow sensor in use, the volumetric rate at which the water flows is directly proportional to the speed of its rotating blades; hence measures are taken at this juncture. As much as they are cheap, these turbine flow transmitters are more susceptible to dirt, which later clogs into it and affects its functioning, therefore, forcing the buyer to incur a cost in maintaining it.Silver sell turbine flow meter with digital display to show water flow information,also users can configure the flow transmitters through the digital display. Digital turbine flow transmitters are powered by 24V DC or 220VAC, option with HART Protocol or MODBUS communication.

Magnetic flow meter with digital display for water

Magnetic flow meter with digital display for water

These types of  flow meters make use of the magnetic field together with the faraday's law of induction. It is important to note that water flowing through a magnetic field does create a charge. When this happens, mostly in cases where the flow is fast, more voltage is created and is equally proportional to the movement of water. The mag meter then later processes the voltage into the flow rate. The only demerit that comes with their use is that they lack good accuracy and are not regarded to be efficient for use. Electromagnetic flow meter is used to measure water with conductivity; it can also measure water with solids inside. Mag meter flow transmitter can provide digital display to show water flow rate, velocity and total flow, customers can also set the parameters through the digital display. Electromagnetic flow transmitters are standard with pulse or frequency output, 4-20mA output.

Metal tube rotameter with digital display for water measurement

Metal tube rotameter with digital display for water measurement

Metal tube rotameter is used for water measurement. This rotameter flow meter consists of a metal tube and afloat. This variable area flow meter makes use of the float to determine the rate of flow of water. It is important to note that the higher the float is raised, the greater the amount of flow that is experienced. The rotameter is popular because of its linear scale, which is quite long and has a low-pressure drop. It is also easy to install and maintain. Metal tube ratometer with digital display which is powered by 24V DC or 220V AC, show water flow by the electronic display, it is also with 4-20mA output from the rotamter flow transmitters.

Vortex flow meter with digital display for water measurement

Vortex flowmeter is a volumetric flowmeter that measures the volume flow of gas, steam or liquid, standard volume flow or mass flow based on the Karman vortex principle. Mainly used for flow measurement of industrial pipeline medium fluid, such as gas, liquid, steam and other media.

Vortex shedding flow sensor is characterized by small pressure loss, large measuring range and high accuracy. Vortex flow transmitter with display is hardly affected by parameters such as fluid density, pressure, temperature, viscosity, etc. when measuring volume flow under operating conditions. No moving mechanical parts, so high reliability and low maintenance. Instrument parameters can be stable for a long time. Vortex flowmeter adopts piezoelectric stress sensor with high reliability, and can work within the working temperature range of -20 ℃ ~ + 250 , it can measure hot temperature water flow rate.

Positive Displacement flow meter with digital display for water

The positive displacement flowmeter for water is another example of a flow meter that is used in recording the volumetric flow of water. This type of flow sensor requires water to displace certain components in the meter so that the measurements can be taken. This type of meter also works by dividing the media into several fixed volumes that are later on taken for reading.


Therefore when choosing a water flow meter with display , it is important to consider those that will suit you well and prevent you from having to repair and maintain over time. Also, consider original and well-functioning meters that will be useful for the job.

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