River Milk Micro Electromagnetic Flowmeter Sensor Liquid Control Magnetic Digital Water Flow Meter

The requirements for the straight pipe sections before and after the electromagnetic flowmeter are crucial for ensuring the accuracy and stability of the measurement results. The following is a detailed analysis of the requirements for the straight pipe sections before and after 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.

The sewage flowmeter has a wide range of applications and is favored by the owner, but the application performance of the sewage flowmeter has a great relationship with the installation on site. Aister makes the following requirements for the installation points of the sewage flowmeter:

The reason why the measurement error is large is that the amount of oil and suspended matter in the water from the sewage station is high, and the treated sewage has a small amount of oil and suspended matter in the water, and the error of electromagnetic flowmeter measurement is also small.

Electromagnetic flowmeter installation instructions, how to install electromagnetic flow meter?

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.

Basic fault treatment of intelligent sewage electromagnetic flowmeter:

Electromagnetic flowmeters can measure mud. The electromagnetic flowmeter utilizes the principle of Faraday’s law of electromagnetic induction. It calculates the flow rate by measuring the induced electromotive force generated when a conductive liquid flows in a magnetic field. It has the advantages of high precision, no mechanical wear, and bidirectional measurement. Mud, as a conductive liquid containing a large amount of solid particles, although it has high requirements for measuring equipment, electromagnetic flowmeters, due to their unique measurement principles and superior performance, have become the ideal choice for measuring mud flow.

Electromagnetic flowmeter is designed for the measurement of conductive liquid instrument, its high accuracy, wide range ratio, internal no moving parts, open flow parts, no pressure loss. Excellent corrosion resistance, high pressure resistance, strong adaptability, has been widely used in various production fields. Because some installation sites are more complex, it is inevitable to produce a variety of interference, Aister instrument to explain several common electromagnetic flow meter anti-interference methods:

Installing electromagnetic flowmeters correctly is essential for ensuring accurate and reliable flow measurement. Here are some precautions to consider when installing electromagnetic flowmeters:

Non-full tube electromagnetic flowmeter is an advanced flow measuring instrument, especially suitable for measuring the flow of non-full tube or partially filled fluid, such as municipal rainwater, wastewater, sewage and so on. The following is a detailed introduction to the non-full tube electromagnetic flowmeter:

The plug-in electromagnetic flowmeter is an instrument for measuring conductive liquids, which is made based on Faraday’s law of electromagnetic induction. This type of instrument, due to its simple structure, light weight, easy installation and low maintenance, is used to measure the volume flow of non-corrosive (water supply and drainage) conductive liquids in closed pipelines.

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:

Sewage flowmeter is an induction meter used to measure the volume flow of conductive medium in pipes.

The measurement principle of the electromagnetic flowmeter is Faraday’s law of electromagnetic induction. It is an instrument that measures the flow of conductive fluids based on the induced electromotive force when the conductive fluid passes through an external magnetic field.

As a measuring device with simple structure, sensitive response and not affected by physical properties such as temperature and viscosity of the measured medium, electromagnetic flowmeter has been widely used in the water supply industry, and has obtained good results.

The plug-in electromagnetic flowmeter has a wide range of applications, and can be used to measure the volume flow of conductive liquid and slurry in closed pipelines in many fields such as petroleum, chemical industry, metallurgy, paper making, environmental protection, municipal management, water conservancy construction and so on.

When using electromagnetic flowmeters in the field, it’s important to perform regular checks and maintenance to ensure accurate and reliable flow measurements. Here are some key parameters to check and consider in the field for electromagnetic flowmeter use:

In the energy sector, particularly in power generation plants, electromagnetic flowmeters play a critical role in measuring cooling water flow. The accuracy and stability of these flowmeters help power plants maintain optimal operating conditions and monitor the efficiency of their cooling systems. Additionally, electromagnetic flowmeters are used in the oil and gas industry for measuring the flow of hydrocarbons, providing crucial data for production and transportation processes.

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

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:

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:

Electromagnetic flowmeter is a speed meter to measure the volume flow of conductive media. While carrying out on-site monitoring and display, it can output standard current signals for recording, adjustment and control, realizing automatic control of detection, and realizing long-distance transmission of signals. It can be widely used in water, chemical, coal, environmental protection, textile, metallurgy, paper and other industries in the flow measurement of conductive liquid. The structure of the instrument has one type and one type.

Performance Technical parameter
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

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.

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

The main sources of faults in electromagnetic flowmeters caused by pipeline systems and related equipment are:

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 application of flowmeter in food processing is very extensive, mainly reflected in the following aspects:

Selecting the appropriate installation point for an electromagnetic flowmeter is crucial for accurate and reliable measurements. Here are some considerations and guidelines to help you choose the right measuring installation point:

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:

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:

Electromagnetic flowmeter in the use of precautions and installation requirements