Detailed Explanation Of Level Gauge Types: Choosing The Right Equipment To Improve Level Monitoring Efficiency

The height of a liquid medium in a container is referred to as the liquid level, and the instruments used to measure this level are called level gauges. Level gauges are instruments used for monitoring material levels and are widely applied in various industries such as petroleum, chemical engineering, electricity, and metallurgy. Most level gauges measure liquid media. Depending on the measurement object and method, level gauges can be categorized into several types, including radar level gauges, magnetic float level gauges, ultrasonic level gauges, and glass tube level gauges. Below is an introduction to several common types of level gauges.

 

First Type: Radar Level Gauge

The radar level gauge is a device that measures based on time-of-flight principles. Radar waves travel at the speed of light, and the time taken can be converted into a position signal. This device does not require direct contact with the liquid medium, making it suitable for measuring liquids, slurries, granular materials, and other media.

 

Second Type: Magnetic Float Level Gauge

The magnetic float level gauge is a level gauge based on magnetic principles, suitable for various storage tanks, boilers, and other equipment. Its product series includes hydraulic press level gauges, insulated flap level gauges, and high-temperature high-pressure magnetic float column level gauges. This type of level gauge offers good sealing, high temperature and pressure resistance, and corrosion resistance, overcoming the drawbacks of traditional glass tube level gauges, which are prone to breakage and have poor clarity.

 

Third Type: Submersible Level Gauge

The submersible level gauge is another common type of level gauge that operates on the principle that liquid static pressure is proportional to the height of the liquid. It converts static pressure into an electrical signal through the piezoresistive effect, which is then converted into a current signal after temperature compensation and calibration.

 

Fourth Type: Float Ball Level Gauge

The float ball level gauge is very common in industrial applications, with advantages including being intuitive, fast, convenient, low-cost, and easy to install. However, its disadvantages include relatively low accuracy, limited installation locations, and most types being non-corrosive.

There are many more types of level gauges beyond those mentioned in this article. A thorough understanding of industry knowledge, combined with one's actual needs, is essential for selecting the appropriate products.