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The key link of raw material recycling, the precise control of the liquid level in the separation tank is directly affecting the efficiency of raw material recycling, product quality and production costs. The radar level meter, with its advanced technology and many advantages, plays an indispensable role in the level measurement of raw material recycling separation tank.Raw material recycling separation tanks are often in more complex conditions. The internal medium may be corrosive, high viscosity, or accompanied by high temperature, high pressure and other extreme conditions, there may also be foam, steam, stirring fluctuations and many other disturbing factors. Traditional level measurement methods, such as float level meter, in the face of these complexities are prone to jamming, malfunctioning problems; capacitance level meter may also be due to changes in the conductivity of the medium and the resulting measurement errors; ultrasonic level meter by the foam, steam interference is serious, it is difficult to ensure the accuracy of the measurement. However, the radar level meter can be in such a harsh environment alone, showing excellent performance. The radar level meter works on the principle of electromagnetic wave reflection. It emits microwave pulses into the separator tank, and when these pulses meet the liquid surface, they are reflected back and received by the level meter. By accurately measuring the time difference between the transmitted and received pulses, combined with the propagation speed of the electromagnetic waves, the height of the liquid level can be accurately calculated. This principle enables the radar level meter to penetrate the foam and vapor layer inside the separator tank and directly measure the real liquid level position, effectively avoiding the measurement deviation caused by the unstable state of the medium surface.In the actual raw material recovery process, the advantages of radar level meter are fully realized. To a chemical company's raw material recovery separation tank, for example, the enterprise is mainly engaged in a variety of organic solvents recovery and reuse. Separation tank filled with various types of mixed solvents, in the recovery process, due to differences in the boiling point of different solvents, often accompanied by a large number of cans of steam, while the solvent mixing is also prone to the formation of foam. In the past, when using the traditional liquid level meter, the liquid level display fluctuated frequently, making it difficult to accurately control the amount of raw material recovered, which not only affects the recovery efficiency, but also may cause product quality instability. Since the replacement of radar level meter, the situation has been greatly improved. The radar level meter is not interfered by steam and foam, and always outputs stable and accurate liquid level signals. According to the real-time liquid level data, the operator can accurately grasp the stock of raw materials in the separation tank and rationally arrange the recovery progress. When the liquid level is close to the upper limit, the unloading program can be started in time to avoid waste and safety hazards caused by overflow of raw materials; and when the liquid level is too low, the raw materials can be replenished quickly to ensure the continuity of the recovery process. Moreover, the installation and maintenance of radar level meter is relatively simple. It does not need direct contact with the measured medium, reducing the level meter itself due to media corrosion, wear and tear and other factors of damage, extending the service life of the equipment. In terms of daily maintenance, it is only necessary to regularly check the appearance of the level meter, the connection parts and the cleanliness of the antenna, which greatly reduces the maintenance cost and workload.From a more macroscopic point of view, the accurate application of radar level meter in the level measurement of raw material recycling separation tank has brought significant economic and environmental benefits to the enterprise. Accurate level measurement helps to improve the recovery rate of raw materials, reduce the loss of raw materials and lower production costs. At the same time, stable measurement also ensures the safety of the production process, avoiding leakage, explosion and other safety accidents caused by uncontrolled liquid level, which is in line with the concept of green and sustainable development of modern industry.

IntroductionMagnetic Flip Flop Level Gauges (Magnetic Level Indicators) have become an indispensable tool in many industries for accurately measuring liquid levels in tanks and vessels. Their reliable performance and extremely low maintenance requirements make them ideal for use in challenging environments. In this article, we will discuss the importance, working principle, and advantages of magnetic flip-plate level indicators, and how kaidi magnetic flip-plate level indicators meet the high demands of industrial liquid level measurement.What is a Magnetic Level Gauge?A Magnetic Flap Level Gauge, also commonly referred to as a Magnetic Level Indicator (MLI), is a device used to visually display the level of liquid in a storage tank or vessel. Unlike traditional sight glass level gauges, magnetic flip flop level gauges utilize a magnetic float system where the float is enclosed in a sealed chamber, ensuring that the liquid never comes into contact with the external environment. These devices provide a safe, accurate and maintenance-free solution for level measurement in a variety of industrial processes.Operating Principle of Magnetic Flap Level GaugesThe core operating principle of a magnetic flap level gauge is based on magnetic coupling. The device is equipped with a float containing a magnetic element, which moves up and down as the liquid level rises and falls. The movement of the float drives the flap in the external indicator to flip through the magnetic force, so as to visually display the current liquid level height.Compared with the traditional sight glass level meter, the magnetic flip-flop level meter adopts the fully enclosed design, the measuring medium is completely isolated inside the cavity, which completely solves the problem of leakage and pollution. This unique structure makes it especially suitable for measuring corrosive, high temperature or high pressure media.Unlike sight glass level gauges, which are prone to breakage and require frequent maintenance, magnetic flap level gauges increase safety by preventing the liquid from being exposed to the external environment. Additionally, flip-flop level gauges are suitable for measuring corrosive, high-temperature, or high-pressure liquids, environments that are often difficult for conventional level measurement tools to handle.Why choose kaidi magnetic flap level meter?The kaidi Magnetic Flip Flop Level Gauge takes magnetic level measurement technology to a new level. Designed for a wide range of applications, the instruments provide high visibility level indication and have a rugged design to ensure long term reliability. kaidi Magnetic Flip Flop Level Gauges key features include:•High visibility: the magnetic indicator provides a clear, easy-to-read indication of liquid level from a distance for real-time monitoring.•Maintenance-free operation: Thanks to its simple and durable design, the kaidi magnetic flap level gauge requires less maintenance than other liquid level measurement solutions such as traditional sight glass level gauges.•Wide range of applications: Whether in the chemical, oil and gas, or food and beverage industries, the instrument is able to meet the challenges of corrosive liquids and extreme temperatures without compromising on measurement accuracy.Advantage1. Non-Contact Measurement: A key advantage of magnetic level indicators is the ability to measure level without direct contact with the liquid. This is particularly important when measuring hazardous, corrosive or high temperature liquids and avoids the safety risks that can be associated with other measurement techniques.2. Durability: The sealing system of a magnetic flap level gauge ensures that it is much less susceptible to wear and tear than traditional sight glass level gauges, which are prone to failure due to rupture or damage. This makes the flipper level gauge ideal for use in harsh environments and provides longer stable performance.3. Low Maintenance Requirements: Since there are no moving parts exposed to the liquid, magnetic flip chart level gauges experience less wear and tear, which reduces the need for regular maintenance, lowers the total cost of ownership, and ensures a longer service life. 6.4. High Accuracy and Reliability: Magnetic Flip Flop Level Gauges provide highly accurate level measurement, ideal for applications requiring precise measurements. In addition, external factors such as temperature fluctuations, foam and condensation have less impact on the magnetic flip-flop level gauge, which allows it to maintain excellent stability in a wide range of applications.5. HART PROTOCOL COMPATIBILITY: It can be equipped with the HART protocol for digital communication for remote diagnostics and configuration. This optional feature provides additional flexibility, ensures easy integration with control systems, provides real-time data transfer and enhances operational efficiency.Application Areas Magnetic Flap Level Gauges have a wide range of application scenarios for a number of industries, including: Chemical Industry: Handling corrosive liquids or chemicals that require accurate and reliable level measurement.Oil and gas: Ensuring safe and accurate level measurement of crude oil, petroleum and other hydrocarbons.Water treatment: monitoring liquid levels in water and wastewater treatment plants.Food and Beverage: Ensuring that raw material levels in process tanks meet sanitary standards.Conclusion magnetic flap level kaidi provides a reliable low-maintenance liquid level measurement solution for industrial applications requiring high accuracy and reliability. Their durability, accuracy and safety make them ideal for handling corrosive, hazardous or high temperature liquids. By investing in kaidi's advanced flip-flop level indicator technology, industries are able to achieve more accurate level measurements while reducing operational risks and costs.For more information on kaidi's magnetic flip-plate level indicators and other innovative level measurement solutions, feel free to contact us to learn how our products can enhance your industrial operations.

Accurate Measurement - Magnetostrictive Level GaugeIn the field of industrial automation, accurate level measurement is the core of production safety and efficiency.UCZ Magnetostrictive Level Gauge redefines the standard of liquid level monitoring with cutting-edge technology, providing reliable solutions for tanks, reactors and other scenarios.Working Principle Magnetostrictive Level Transmitter is designed using a physical phenomenon - the magnetostrictive principle.The working principle is as follows: a fine magnetostrictive wire is installed inside a non-magnetic sensing tube, and a pressure magnetic sensor is connected to one end of the wire. The pressure magnetic sensor sends out 10 current pulses to the magnetostrictive wire every second and times them, which are transmitted along the wire and down to , generating a downward-moving toroidal magnetic field, which interacts with the magnetic field of the magnetic float, and generates a torsional stress wave on the magnetostrictive wire. The magnetic field interacts with the magnetic field of the magnetic float, generating a torsional stress wave on the magnetostrictive line, which travels up and down the magnetostrictive line at a known speed from the float's position until the piezomagnetic transducer receives a signal of this torsional stress wave. The time interval between the starting current pulse and the returning torsional stress wave can be known through the timing circuit, and the position of the float can be judged according to the size of the time interval . Since the float always floats on the liquid surface, the position of the liquid surface can be judged accurately.Core Advantages1.High precision measurement: adopting magnetostrictive principle, the resolution reaches ±0.5mm, real-time feedback of liquid level, interface and temperature data to meet the needs of severe working conditions.2. Strong environmental adaptability: fully enclosed structure design, resistant to extreme temperatures from -196℃C to +200℃C and 40MPa high pressure, fearless of corrosive media and complex working conditions.3. Zero maintenance: no mechanical moving parts, anti-vibration, calibration-free service life of more than 10 years, significantly reducing operation and maintenance costs.Application Scenario:Petrochemical, LNG storage and transportation, pharmaceutical, food, water treatment and other industries, suitable for all kinds of liquids, slurries and interface measurement. Magnetostrictive level gauge, military grade quality escort industrial safety, intelligent output 4-20mA/RS485 signal, seamless connection to DCS system, help enterprises to achieve digital upgrade.

I. What exactly is migration?Simply put, migration is to adjust the measuring range of the level transmitter, so that it can accurately display the actual level. For example, if the level transmitter is installed in the wrong position, the medium is special, or the isolation fluid is used, the measured value may deviate from the real level, and then it needs to be ‘migrated’ to calibrate.Migration is divided into three cases:No migration:Measurement starts at 0, normal condition.Positive migration:The starting point of the measurement is higher than 0 (e.g. the transmitter is already under pressure when the level is at its lowest).Negative Migration:The starting point of the measurement is lower than 0 (e.g. the transmitter measures negative pressure when the level is at its lowest).Caution! Migration is not the same as zeroing!Zeroing: When the transmitter has no pressure (△p=0), adjust the output to 0.Migration: When the transmitter has pressure (△p≠0), adjust the output to 0 (e.g., when the level is at its lowest, it shows 0, but there is actually pressure).The amount of migration is usually expressed as a percentage of the pressure value or range.For example, when we correspond the lower limit of the output of the transmitter (yₘᵢₙ) to the lower value of the actual measuring range (xₘᵢₙ):If x ₘᵢₙ = 0, this is a zero adjustment;If xₘᵢₙ ≠ 0, this is migration.Depending on the direction of migration, this can be further subdivided as follows:Positive migration: moving the starting point of the measurement above the ‘reference point 0’;Negative migration: moving the starting point of the measurement below the ‘reference point 0’.II. When do I need to migrate?In practice, the following situations are basically migrations:1.Double flange level transmitterScenario: sealed container, measuring high viscosity, easy to crystallise, strong corrosive media (such as chemical industry reactor).Why migrate? The upper and lower flanges are installed at different heights, resulting in pressure difference, and the level display is not allowed if it is not relocated.2. Monoflange level transmitter with capillary tubeScenario: open tank or closed vessel.Why relocate? If the transmitter is mounted higher or lower than the minimum level, the measured pressure will deviate.3. Differential pressure transmitter with isolation tankScenario: Measurement of highly corrosive or viscous media (e.g. sulphuric acid, heavy oil).Why relocate? The isolation fluid itself has a column pressure that affects the readings and must be calibrated.III. Sharing of on-site experience1. Quick Calibration of Double Flange TransmitterClose the valve once and let both the upper and lower flanges ventilate (to air).The PV value of the transmitter is the lower range limit (zero migration value).Calculate the upper range limit according to the actual liquid level, and set it in directly.2. The essence of migrationis actually to make the output signal (4~20mA) of the transmitter and the actual liquid level correspond to each other.If the output is 4mA (0%) when the level is lowest, it is no migration.If the output at the lowest level is >4mA (e.g. 8mA), it is positive migration; if <4mA (e.g. 0mA), it is negative migration.