What are the requirements for the working temperature of electromagnetic flowmeters

The grounding ring is a crucial component in the installation of an electromagnetic flowmeter as it helps establish proper grounding and ensures accurate and reliable measurements. Here’s a general guide on how to install an electromagnetic flowmeter grounding ring:

Drainage flowmeter, sewage outfall flowmeter installation position

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 mainly has two kinds of pipe segment type and plug-in type, and is divided into two types of body type and sub-body type, of which the plug-in electromagnetic flowmeter is suitable for DN300 or more pipelines.

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.

For the daily inspection of the electromagnetic flow meter, in addition to the inspection of the sensor we talked about last time, it is also necessary to check the sensor of the electromagnetic flow meter, connecting cables, etc., below we will understand how to operate.

The scale of the water supply system itself is huge, and the environment in which it is located is complex and changeable, requiring the electromagnetic flowmeter to have strong stability and reliability, so in the actual use process, the matters needing attention should be clear.

The material of construction is also a vital aspect in electromagnetic flowmeter selection. Different applications may require flowmeters made from specific materials to withstand corrosive environments or harsh chemicals. Ensuring that the materials of construction are compatible with the fluid and environmental conditions helps enhance the longevity and reliability of the flowmeter.

Another critical factor to consider is the flow rate range of the application. Electromagnetic flowmeters exhibit excellent accuracy and stability across a broad range of flow rates, making them suitable for both low-flow and high-flow applications. It is essential to match the flowmeter’s specifications, such as its minimum and maximum flow rates, with the expected flow conditions in the system.

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, choosing the appropriate flowmeter is of vital importance to ensure the accuracy and reliability of the measurement results. Here are some suggestions to help you choose a flowmeter suitable for domestic sewage:

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

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.

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 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:

Intelligent electromagnetic flowmeter measurement accuracy is high, stable performance, is a very common product in the flow meter, widely used in petroleum, chemical, food and other industries, especially water resources system, almost everywhere can see the figure of intelligent electromagnetic flowmeter, but the measured medium in these occasions is a single liquid, then with intelligent electromagnetic flowmeter can measure the mixture, Is a lot of owners are very want to know, I hope that today through this article to answer everyone’s doubts.

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

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:

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:

When measuring waste acid using an electromagnetic flowmeter, it’s crucial to choose electrodes that are suitable for the corrosive nature of the acid and that can withstand the specific conditions of the application. Common electrode materials for electromagnetic flowmeters used in corrosive environments include:

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:

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

Fixed the electromagnetic flowmeter for periodic visual inspection, check the environment around the instrument, clean dirt, ensure that no water and other substances, check whether the wiring is good, check whether the electromagnetic flowmeter near the new installation of strong electromagnetic field equipment or a new wire across the instrument.

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.

The converter direction of an electromagnetic flowmeter refers to the orientation or alignment of the flowmeter’s electronic converter unit concerning the flow direction within the pipe. Electromagnetic flowmeters typically have a preferred or specified direction for the converter to achieve optimal performance. The converter contains the electronics and signal processing components essential for accurate flow measurement.

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

The installation of the electromagnetic flowmeter depends on the requirements of the customer’s working conditions, and then select the type, and install it according to the instructions or the guidance of the flowmeter manufacturer’s staff. The following points need to be noted when installing the electromagnetic flowmeter:

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:

Compared with other flow measuring instruments, electromagnetic flowmeters have the following outstanding advantages

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:

Calibration checks are another essential component of fault diagnosis for electromagnetic flow meters. Regular calibration against known standards ensures that the meter’s measurements remain accurate over time. Any deviation from the expected calibration values may indicate sensor degradation, electronic component failure, or other issues that require attention.

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