The temperature range and application fields of the elliptical gear flowmeter

Ultrasonic flowmeter is a non-contact instrument, so it has the advantages of simple installation and maintenance, and is very popular with customers. However, because of this advantage of ultrasonic flowmeters, it is precisely after a period of use that the signal will be weak.

The design of electromagnetic flow meters contributes to their robustness and long-term reliability. With no moving parts in contact with the fluid, they experience less wear and tear, resulting in extended operational life and reduced maintenance requirements. This makes them particularly suitable for applications where low-maintenance and high durability are crucial factors.

What are the advantages and precautions of the thermal gas mass flow meter?

The versatility of electromagnetic flowmeters is a testament to their robust performance across a wide range of conductive liquids. Whether dealing with water, acids, bases, or slurries, these flowmeters maintain their accuracy and reliability. This adaptability is particularly valuable in industries with varying fluid compositions, allowing for a single flowmeter type to be employed in diverse applications without sacrificing performance.

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 elliptical gear flowmeter, also known as the displacement flowmeter, is a type of volumetric flowmeter. It is one of the flowmeters with relatively high accuracy among all types. It uses mechanical measuring elements to continuously divide the fluid into individual known volume portions. The total volume of the flow is measured by the number of times the measurement chamber fills and discharges the volume portion of the fluid successively and repeatedly. The elliptical gear flowmeter can be manufactured using different materials (cast steel, stainless steel, and 316), and is suitable for flow measurement work in industries such as chemical engineering, petroleum, medicine, power, metallurgy, and food.

Coriolis mass flowmeters are sophisticated instruments used for measuring the mass flow rate of fluids flowing through a pipe. They utilize the principle of Coriolis force, which occurs when a fluid is set in motion within a vibrating tube. Here are some common uses of Coriolis mass 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

The unique temperature difference measurement method of the hot gas mass flowmeter overcomes the great zero drift caused by water, oil and impurities in the gas when measuring the gas flow by the hot gas mass flowmeter based on the principle of constant temperature difference.

In cogeneration plants, food processing, and chemical industries, high-temperature steam is not just energy—it’s a measurement challenge. Poor configuration can lead to unstable readings, large deviations, or complete signal loss.

Diameter: DN3~DN200mm
Density measuring: 0.3~3.000g/cm3
Temperature range: -200~300ºC (Standard Model -50~200ºC)
Environment humidity: ≤90%RH

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:

The correct use of gas flowmeters is the key to ensure accurate and reliable measurement results. The following is the correct use of gas flowmeters:

Accuracy: 1.0~1.5%
Repeatability: Less than 1/3 of basic error absolute value
Working Power: 24VDC+3.6V battery power, can remove the battery
Output Signal: 4-20mA, pulse, RS485, alarm
Applicable Medium: All gases (except steam)

An ultrasonic flowmeter is an instrument that measures the flow of fluids by utilizing the propagation characteristics of ultrasonic waves. It does not require direct contact with the fluid being measured. By capturing the propagation information of ultrasonic waves in the fluid through an external sensor, it achieves non-invasive flow measurement. It has a wide range of applicable media, covering various liquids such as water, oil, and chemical solutions, as well as some gases, and is suitable for the needs of different industrial scenarios. Now let’s take a look at what the advantages and disadvantages of ultrasonic flowmeters are.

In order to solve the problem of leakage caused by poor measurement accuracy or inability to measure below the lower limit of the instrument, a new type of thermal gas mass flowmeter is developed based on the theory of forced convection heat transfer and the principle of hot wire anemometer. The sensitivity of the instrument is greatly improved and the dead zone of the instrument is reduced by using microfilament structure in the sensitive element and the velocity measuring heating element.

The precession vortex flowmeter belongs to a gas flowmeter. The following is a brief introduction of the main characteristics and main uses of the precession vortex flowmeter.

The Coriolis mass flowmeter is a high-precision flow measurement instrument and is widely used in many industries. The following are some of the main application fields

In the future operation of steam flowmeters, the inaccurate measurement or unusable situations caused by incorrect selection should be greatly reduced. The following points should be noted:

The characteristics and installation and maintenance methods of precession vortex flow meter

As a common measuring instrument, precession vortex flowmeter is used frequently. In order to make the flow meter work better, here is to introduce the precautions for its installation.

Ultrasonic flowmeters are well-suited for measuring the flow of clean liquids in a variety of industrial applications. Clean liquids, such as water, chemicals, or other non-viscous fluids, allow ultrasonic signals to propagate through the medium more effectively, resulting in accurate flow measurements. Here are some considerations for using ultrasonic flowmeters with clean liquids:

Vortex flowmeters are suitable for measuring the mass flow and volume flow of superheated steam, saturated steam, compressed air, general gas, water and low corrosive liquids. We often encounter the following failures in the use of vortex flow meters:

With the development of new energy technology, natural gas is more and more widely used in many new energy industries, and the thermal gas mass flowmeter has become a suitable instrument for measuring high pressure gas measurement. Below we analyze from the perspective of product performance and installation cost, why the thermal gas mass flowmeter can become a suitable low degree meter in high pressure natural gas measurement.

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:

When applying a thermal mass flowmeter, several key points need to be considered to ensure accurate and reliable measurement. Here are some important factors to pay attention to:

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

With the continuous production progress of the reform and opening up industry, it has been applied in more and more industries, and the vortex flowmeter is widely used in large, medium and small pipeline water supply and drainage, industrial circulation, and sewage treatment. Oil and chemical reagents as well as compressed air, saturated vapor and superheated vapor, natural gas flow measurement of various media and can be used as a flow transmitter in automated control systems.

Turbine flowmeter has the characteristics of simple structure, light weight, high precision, good repeatability, sensitive response, easy installation and maintenance, etc., widely used in petroleum, chemical industry, metallurgy, water supply, paper and other industries.

Nominal diameter： DN15-DN200mm
Accuracy： 1.0/1.5
Body material: Aluminum alloy, 304 stainless steel
Applicable media: Compressed air, oxygen, nitrogen, carbon dioxide, natural gas, argon, liquefied gas, etc., corrosion, moisture can not be measured, such as chlorine, hydrogen, steam, ammonia.

In industry, a flowmeter is a type of flow measurement instrument, and an electromagnetic flowmeter is also a kind of flow instrument. Generally speaking, the types of electromagnetic flowmeters used in different occasions are also different. The classification of electromagnetic flowmeters varies depending on the method. Generally, they are conventionally classified into three types: integrated electromagnetic flowmeters, split electromagnetic flowmeters, insertable electromagnetic flowmeters, and so on. For different occasions, different types of flowmeters are required. The correct selection of electromagnetic flowmeters is a powerful boost in work efficiency.