What are the liquid level gauges used in the industry to measure the liquid level of the tank?

Several types of liquid level instruments commonly used in industry to measure the height of tank liquid level mainly include radar level gauge, ultrasonic level gauge, float level gauge, magnetic flap level gauge, etc. Now compare the radar liquid level gauge with the other three liquid level gauges, which can help customers to purchase suitable products reasonably to measure the liquid level accurately. Radar level gauge: The electromagnetic wave is used as the detection signal, and the reflection occurs at the interface where the dielectric constant changes, and the electromagnetic wave can propagate in the vacuum. This working principle of the radar level gauge enables it to accurately measure the liquid level in the pressure vessel, which is not affected by high temperature, high pressure, scaling and condensate, and has high measurement accuracy. There is no direct contact with the medium, so it has strong corrosion resistance, can be used in a vacuum environment, and the installation is relatively simple. However, compared with other liquid level gauges, radar level gauges are more expensive and are easily affected by the geometric structure of the container and the characteristics of materials, and are not suitable for the measurement of very low dielectric constant media. The measurement accuracy of Kaidi 80G radar level meter can reach 1mm, and the strong penetration ability is especially suitable for applications with high steam and high dust. Simple commissioning saves time and eliminates the need to fill or empty the tank. Setup is simple. Only two parameters need to be set to achieve the measurement. Support multiple languages, echo display, easy for maintenance personnel to analyze, debug and measure without being affected by medium changes. It is also unaffected by process conditions such as temperature, pressure, dust, etc. Ultrasonic liquid level gauge: The sound wave is the detection signal. The sound wave is a mechanical wave. When encountering a large density change, the interface will reflect, and the propagation depends on the medium. Temperature and pressure have a great influence on the measurement, and temperature compensation should be introduced. Generally not suitable for high temperature or pressure measurement. Ultrasonic level gauges measure corrosive media, polluted places, or substances that are prone to adhesions, and are suitable for those liquids that cannot be physically contacted. Shaanxi Kaidi externally attached liquid level gauge breaks through the traditional installation method of open tank contact, and can achieve true non-contact measurement of the liquid level in a closed container. The sonar sensor is installed at the bottom right below the outer wall of the container to be tested. It does not need to open holes in the container to be tested. It is easy to install and can be installed online. It can accurately measure the liquid level of various toxic substances, strong acids, strong alkalis and various pure liquids in high temperature and high pressure airtight containers. The liquid level gauge has no special requirements for the material of the liquid medium and the container, and adopts the explosion-proof design to meet the explosion-proof requirements and can be widely used. Magnetic flap liquid level gauge: The measuring float is a lubricated straight tube body, which is not easy to block for liquids with particles, viscosity and impurities; it can work without wiring, energy saving and environmental protection; the measured volume flow is affected by the liquid density and viscosity. , The influence of temperature, pressure and conductivity changes is very small; the reading is intuitive and fast, and it can reflect the liquid level status in real time; it can be matched with remote transmitter and magnetic switch to realize remote monitoring of liquid level and switch value control. However, there are certain restrictions on the size of the range. If the range is too large for transportation, it needs to be divided into sections to facilitate transportation and installation; it is impossible to accurately measure gas, steam and liquids containing larger bubbles. Float level gauge: The float level gauge is a kind of liquid level measurement relying on the principle of buoyancy. It cooperates with the float ball and the scale, so that the observer can intuitively read the height of the liquid level. Therefore, when measuring the liquid level, the float level gauge can read quickly and intuitively, and its price is relatively low, and the device is relatively simple. What is lacking in the United States is that compared with other liquid level gauges, the measurement accuracy of the float level gauge is lower, and it cannot complete remote transmission and adjustment. At the same time, the device is relatively limited by the shape and structure of the container; risky medium.
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