ISO 17025 CNAS Calibration Certificate Magnetic Flowmeter

Electromagnetic flowmeter is a kind of high precision, high reliability and long service life flow surface, which is composed of two parts: the sensor that directly contacts the pipeline medium and the upper end signal converter.

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.

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.

Electromagnetic flow meters operate based on a fundamental principle of electromagnetic induction, providing an accurate and reliable method for measuring the flow of conductive fluids. The working principle involves Faraday’s law of electromagnetic induction. As a conductive fluid flows through a pipe, it cuts across the magnetic field generated by coils or electrodes mounted on the flow meter. According to Faraday’s law, an electromotive force (EMF) is induced in the fluid perpendicular to both the magnetic field and the flow direction. The induced EMF is directly proportional to the flow velocity of the fluid.

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.

The shortage of water resources and the impact of sewage on the environment are the two major problems facing the solution of water resources. In the process of solving these problems, the flowmeter has a role that cannot be ignored. Choosing a good sewage flowmeter plays a crucial role in solving the problem.

electromagnetic flowmeters have emerged as indispensable tools for industries that demand accurate and reliable flow measurements. Their advanced technology, coupled with the ability to operate in diverse environments and handle various conductive liquids, positions them as a preferred choice in applications ranging from water management to chemical processing. As technology continues to evolve, electromagnetic flowmeters are likely to witness further advancements, contributing to increased efficiency and precision in liquid flow measurement across different sectors.

Size: DN3-DN3000mm
Nominal Pressure: 0.6-1.6Mpa(2.5Mpa/4.0Mpa/6.4Mpa… Max 42Mpa)
Accuracy: +/-0.5%(Standard) +/-0.3% or +/-0.2%(Optional)
Liner: PTFE, Neoprene, Hard Rubber, EPDM, FEP, Polyurethane, PFA
Electrode: SUS316L, Hastelloy B, Hastelloy C Titanium, Tantalum, Platinium-iridium
Structure Type: Integral type, remote type, submersible type, ex-proof type
Medium Temperature: -20~+60 degC(Integral type)
Remote type ( Neoprene ,Hard Rubber ,Polyurethane ,EPDM) -10~+80degC
Remote type(PTFE/PFA/FEP) -10~+160degC
Ambient Temperature: -20~+60deg C
Ambient Humidity: 5-100%RH(relative humidity)
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

In the flow measurement of domestic sewage, it is very important to choose the right flowmeter to ensure the accuracy and reliability of the measurement results. Here are some suggestions to help you choose the right flowmeter for domestic sewage:

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:

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.

Electromagnetic flowmeter in the use process will produce some faults affect the normal work of the instrument, how to find the cause behind the fault is a very important work, we need to identify through a variety of different types of detection methods, in general, we for electromagnetic flowmeter routine testing, usually including electrode contact resistance, electrode polarization voltage, Signal cable interference, the determination of whether there is a grounding potential and the flow of stray current in the pipeline five aspects, these five aspects can be carried out separately, in fact, but also interrelated, any change in the factor may cause other changes, this reminds everyone in the detection of special attention:

electromagnetic flowmeters have a wide range of applications across diverse industries, addressing the need for accurate and efficient fluid flow measurement in fields as varied as water management, industrial processes, energy production, environmental monitoring, and HVAC systems. Their adaptability and reliability make them indispensable tools in ensuring precise fluid flow measurements for improved process control and operational performance.

Structure Type: Integral type, remote type, submersible type, ex-proof type
Medium Temperature: -20~+60 degC(Integral type)
Remote type ( Neoprene ,Hard Rubber ,Polyurethane ,EPDM) -10~+80degC
Remote type(PTFE/PFA/FEP) -10~+160degC
Ambient Temperature: -20~+60deg C
Ambient Humidity: 5-100%RH(relative humidity)
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)

Electromagnetic flowmeter, with high precision, long life characteristics, in chemical industry, environmental protection, metallurgy and other fields and industries have been applied.

The electromagnetic flowmeter uses the principle of Faraday’s electromagnetic induction law to calculate the flow rate by measuring the induced potential generated by the conductive liquid flowing in the magnetic field, and has the advantages of high precision, no mechanical wear, and two-way measurement.

High voltage electromagnetic flowmeters are commonly used in applications where the measurement of electrically conductive fluids is required. These flowmeters operate based on Faraday’s law of electromagnetic induction and are suitable for a variety of industrial processes. Here are some key application characteristics of high voltage electromagnetic flowmeters:

The installation distance between an electromagnetic flowmeter and a control valve, especially a rear valve, is a critical factor that can impact the accuracy and reliability of flow measurements. Here are some general guidelines to help determine the appropriate installation distance:

Electromagnetic flowmeter is a kind of induction instrument which measures the volume flow of conductive medium in tube according to Faraday’s law of electromagnetic induction. The electromagnetic flowmeter adds a magnetic field on both sides of the pipeline, and the measured medium flows through the pipeline to cut the magnetic force line, generating an induced potential on the two detection electrodes, and its size is proportional to the speed of fluid movement.

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.

Electromagnetic flowmeters can achieve remote communication through various digital communication protocols. These protocols allow flowmeter data to be transmitted to remote monitoring systems, control rooms, or other devices for real-time monitoring, analysis, and control. Some common digital communication protocols used for remote communication with electromagnetic flowmeters include:

Electromagnetic flowmeters find applications in numerous industries due to their adaptability and precision. They are extensively used in water and wastewater management for monitoring water distribution, sewage treatment, and environmental compliance. In chemical and petrochemical industries, these flowmeters excel in measuring the flow of corrosive and abrasive liquids. The food and beverage sector benefits from their accuracy in ensuring consistent liquid measurements during production processes. In pharmaceutical manufacturing, electromagnetic flowmeters contribute to the precise control of liquid ingredients, while in mining and minerals processing, they help optimize the efficiency of slurry flow.

Medium Temperature: -20~+60 degC(Integral type)
Remote type ( Neoprene ,Hard Rubber ,Polyurethane ,EPDM) -10~+80degC
Remote type(PTFE/PFA/FEP) -10~+160degC
Ambient Temperature: -20~+60deg C
Ambient Humidity: 5-100%RH(relative humidity)
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)

With the continuous acceleration of industrialization, the problem of environmental pollution is becoming more and more serious, and the call of society for sustainable development is getting higher and higher, so the control of pollution is more urgent.

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

Electromagnetic flowmeters exhibit remarkable performance even in challenging environmental conditions. Their construction materials are often chosen for their corrosion resistance, enabling these devices to withstand harsh chemicals and extreme temperatures. This robustness ensures continuous and reliable operation, making electromagnetic flowmeters suitable for demanding industrial applications where other flow measurement devices might struggle to perform consistently.

Size: DN3-DN3000mm
Nominal Pressure: 0.6-1.6Mpa(2.5Mpa/4.0Mpa/6.4Mpa… Max 42Mpa)
Accuracy: +/-0.5%(Standard) +/-0.3% or +/-0.2%(Optional)
Liner: PTFE, Neoprene, Hard Rubber, EPDM, FEP, Polyurethane, PFA
Electrode: SUS316L, Hastelloy B, Hastelloy C Titanium, Tantalum, Platinium-iridium
Structure Type: Integral type, remote type, submersible type, ex-proof type
Medium Temperature: -20~+60 degC(Integral type)
Remote type ( Neoprene ,Hard Rubber ,Polyurethane ,EPDM) -10~+80degC
Remote type(PTFE/PFA/FEP) -10~+160degC
Ambient Temperature: -20~+60deg C
Ambient Humidity: 5-100%RH(relative humidity)
Measuring Range: Max 15m/s
Conductivity: >5us/cm

Electromagnetic flowmeters, also known as magmeters, are devices that measure the flow of electrically conductive fluids using the principles of electromagnetic induction. There are several types of electromagnetic flowmeters, each with its own characteristics and applications. Here are some common types:

Electromagnetic flowmeter selection principle:

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

According to the principle formula of the electromagnetic flowmeter, the induced signal potential is not affected by the change of conductivity and temperature, pressure, density and viscosity when the liquid conductivity is uniform. However, in the actual measurement, due to the following reasons, the electrical conductivity will also have some impact on the measurement.

The performance excellence of electromagnetic flowmeters is further underscored by their low maintenance requirements. The absence of mechanical components in direct contact with the fluid minimizes wear and tear, reducing the need for frequent maintenance interventions. This not only enhances the longevity of the flowmeter but also translates into cost savings for industries where operational efficiency is paramount.

Size: DN3-DN3000mm
Nominal Pressure: 0.6-1.6Mpa(2.5Mpa/4.0Mpa/6.4Mpa… Max 42Mpa)
Accuracy: +/-0.5%(Standard) +/-0.3% or +/-0.2%(Optional)
Liner: PTFE, Neoprene, Hard Rubber, EPDM, FEP, Polyurethane, PFA
Electrode: SUS316L, Hastelloy B, Hastelloy C Titanium, Tantalum, Platinium-iridium
Structure Type: Integral type, remote type, submersible type, ex-proof type

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

The transducer in the split electromagnetic flowmeter can form a body or separate type with the sensor, the integrated electromagnetic flowmeter is the integrated electromagnetic flowmeter, the split type becomes the split electromagnetic flowmeter, the flowmeter is a two-way measurement system, and the three integrators are installed: the forward total, the reverse total and the difference total; Can be displayed. And has a variety of outputs: current, pulse, digital communication, HART, taking split electromagnetic flowmeter as an example to introduce what problems should be paid attention to when installing: