What are the factors related to the price of electromagnetic flow meters?

Suitability of electromagnetic flowmeters in chlor-alkali measurement chlor-alkali occupation measurement of brine and caustic soda, both of which have the same characteristics:

Electromagnetic flowmeters, also known as magmeters, are widely used in various industries for measuring the flow rate of conductive fluids. They operate based on Faraday’s law of electromagnetic induction, where a voltage is induced in a conductor (the fluid) as it moves through a magnetic field. These flowmeters are favored for their accuracy, reliability, and suitability for a wide range of applications. Here are different categories of electromagnetic flowmeters and their fields of application:

Electromagnetic flow meter is one of the most popular flow meters. Flange type electromagnetic flow meter has been used for more than 50 years worldwide. It is widely used for all conductive liquids in every industry, such as water, acid, alkali, milk, slurry etc.

We have introduced a lot of relevant information about electromagnetic flowmeters before, and today we mainly introduce several typical installation errors to help you avoid these problems.

Electromagnetic flowmeter in the industry has achieved good results, then as the core accessories of electromagnetic flowmeter – electrode, electrode is contact with the measured medium more accessories, then the cleaning details of the electrode is a crucial point, of course, also pay attention to a certain method.

Electromagnetic flowmeter, with high precision, long life characteristics, in chemical industry, environmental protection, metallurgy and other fields and industries have been applied. However, in the process of use, due to the influence of many factors, it is easy to cause the inaccurate measurement results of the electromagnetic flowmeter. So what are the reasons for the error of the electromagnetic flowmeter?

Electromagnetic flowmeter as a commonly used flow measurement instrument, the choice of its material is also an important factor. Because in the electromagnetic flowmeter, the part in contact with the medium is only the electrode and the inside of the measuring tube, it is necessary to select the correct electrode and lining material according to the characteristics of different media.

Size: DN15mm-DN200mm
Nominal Pressure: 1.6Mpa
Accuracy: ±0.5%(Standard)
Liner: FEP, PFA
Output Signal: 4-20mA pulse frequency relay

In the electromagnetic flowmeter installation and debugging stage there will be some failures, below, we will understand the specific causes of the failure at this stage and their elimination methods.

Selecting the right electromagnetic flowmeter involves considering various factors to ensure it meets the specific requirements of your application. Here’s a step-by-step guide to help you choose an electromagnetic flowmeter:

What are the requirements for the installation environment of the electromagnetic flow meter?

In the use of electromagnetic flowmeter measurement, we often have to consider how to deal with the problem of receiving no signal or signal is too weak, we should look for reasons from the following possible problems:

Another important requirement of the electromagnetic flowmeter: how to accurately select the lining material, the lining material of the electromagnetic flowmeter should be selected according to the erosion, wear and temperature of the measured medium.

Electromagnetic flow meters offer several advantages, making them a popular choice in various industrial applications. Here are some of the key advantages of electromagnetic flow meters:

Measuring medium: Conductive liquid
Diameter range: DN3mm～DN3000mm
Accuracy: ± 0.5% of the indicated value, optional ± 0.3% or ± 0.2%
Measuring range (Flow rate): 0.01m/s～15m/s
Electromagnetic flow meter is one of the most popular flow meters. Flange type electromagnetic flow meter has been used for more than 50 years worldwide. It is widely used for all conductive liquids in every industry, such as water, acid, alkali, milk, slurry etc.

The grounding of the electromagnetic flowmeter is equipped with a grounding ring, and then the grounding ring is connected to the pipeline. If it’s lined, you need a third electrode to ground it.

The ability of electromagnetic flowmeters to provide real-time data on fluid flow rates is a key performance aspect. Industries benefit from the immediate and accurate insights into their processes, allowing for proactive monitoring and control. This feature is especially crucial in applications such as water distribution networks, where real-time data facilitates efficient resource management and timely responses to changes in flow conditions.

Measuring Range: Max 15m/s
Conductivity: >5us/cm
Protection Class: IP65(Standard); IP68(Optional for remote type)
Process Connection: Flange (Standard), Wafer, Thread, Tri-clamp etc (Optional)
Output Signal: 4-20mA/Pulse
Communication: RS485(Standard), HART(Optional),GPRS/GSM (Optional)
Power Supply: AC220V (can be used for AC85-250V)
DC24V (can be used for DC20-36V)
DC12V (optional), Battery Powered 3.6V (optional)
Power Consumption: <20W Alarm: Upper Limit Alarm / Lower Limit Alarm Self-diagnosis: Empty Pipe Alarm, Exciting Alarm Explosion Proof: ATEX

1. The sensor structure of the electromagnetic flowmeter is simple, and there are no moving parts in the measuring tube, nor any throttling parts that hinder the flow of fluid. So when the fluid through the flow timing will not cause any additional pressure loss, electromagnetic flowmeter is a very low energy consumption flow meter.

Electromagnetic flowmeter is a kind of induction meter to measure the volume flow of conductive medium, which can be used to measure the volume flow of strong corrosive liquid such as strong acid and alkali and uniform liquid-solid two-phase suspended liquid such as mud, pulp, pulp, etc.

The correct selection of electromagnetic flowmeter is the prerequisite to ensure the normal use of the instrument. The diameter, flow range, lining material, electrode material and output current of the electromagnetic flowmeter should be determined according to the physical and chemical properties of the measured flow medium, and can adapt to the field environment and meet the technical indicators and performance requirements.

Sewage flowmeter can be widely used in municipal water supply, steel, petroleum, chemical, electric power, industry, water conservancy, water resources and other departments of liquid volume flow measurement, especially suitable for channels, small river flow measurement and environmental protection disposal of sewage measurement.

In industry, electromagnetic flowmeter is a kind of flow meter with a wide range of uses. Electromagnetic flowmeter is divided into: one type, sub-type, insert type. Different occasions need to choose different electromagnetic flowmeters to ensure the measurement results.

Measuring medium: Conductive liquid
Diameter range: DN3mm～DN3000mm
Accuracy: ± 0.5% of the indicated value, optional ± 0.3% or ± 0.2%
Measuring range (Flow rate): 0.01m/s～15m/s

Electromagnetic flow meter, also known as a magmeter, operates on the principle of electromagnetic induction to measure the flow rate of conductive fluids, such as water or other liquids with a certain level of electrical conductivity. Here’s a basic explanation of the principle behind electromagnetic flow meters:

Several factors can contribute to the inaccurate measurement of flow by electromagnetic flowmeters. These factors can vary depending on the specific application, installation conditions, and characteristics of the fluid being measured. Here are some common reasons for inaccurate flow measurement with electromagnetic flowmeters:

The measuring accuracy and stability of the electromagnetic flowmeter is directly related to whether the electromagnetic flowmeter housing is grounded.

Electromagnetic flowmeter is composed of two parts: sensor and converter. It is based on Faraday’s law of electromagnetic induction, used to measure the volume flow of conductive liquid with an electrical conductivity greater than 5μS/cm, is a kind of induction instrument to measure the volume flow of conductive medium.

The shell protection level of the ordinary electromagnetic flowmeter sensor is IP65 (the dustproof and anti-splash level stipulated by GB4208), and the requirements for the installation site are:

Electromagnetic flowmeters are mainly used to measure the volume flow of conductive liquid and slurry in closed pipelines, including the volume flow of acid, alkali, salt and other highly corrosive liquids.

In addition to signal analysis, real-time monitoring is a crucial aspect of fault diagnosis for electromagnetic flow meters. Continuous assessment of key parameters, such as fluid conductivity and temperature, can help detect anomalies that may impact meter accuracy. For instance, sudden changes in conductivity might signal issues like fluid contamination or changes in fluid composition, prompting the need for further investigation.