Liquid Level Measuring Instrument Showdown: Radar Level Meter Vs Externally Mounted Level Meter

Radar level gauges and external-mounted level gauges are two types of Liquid level measuring instruments commonly used in industrial processes. They have some differences in terms of working principles, installation methods, and applicable scenarios. Their characteristics and differences will be introduced below.

First, let's look at the radar level gauge. Radar level gauge uses radar technology for liquid level measurement and measures liquid height by transmitting and receiving microwave signals. Its working principle is to emit microwave signals. When the signal encounters the liquid surface, it is reflected. The received reflected signal can be processed to calculate the liquid level. Radar Liquid level measuring instruments have the characteristics of non-contact measurement, high precision and good stability, and are suitable for measuring various liquids, including corrosive liquids and high temperature liquids. The external liquid level gauge is a device with a sensor attached to the wall of the container to measure the liquid level. It usually consists of a sensor and a display. The sensor determines the liquid level by measuring physical quantities such as pressure, capacitance, resistance, etc. External-mounted liquid level gauges are simple to install and low-cost, and are suitable for smaller containers or scenarios where direct contact with liquids is not possible.

There are obvious differences in the installation methods of radar and external liquid level gauges. Radar level gauges are usually installed on the top of liquid containers and measure the liquid level by transmitting and receiving signals, which requires a certain amount of installation space. The external-mounted liquid level gauge can be attached to the outer wall of the container for measurement without direct contact with the liquid. It is suitable for scenarios where the installation space is small or direct contact with the liquid is not possible. In addition, the applicable scenarios of radar level gauges and externally mounted Liquid level measuring instruments are also different. Due to its non-contact measurement characteristics, radar level gauges are suitable for measuring various liquids, including corrosive liquids and high-temperature liquids, and can perform stable measurements in harsh working environments, such as chemical plants, petroleum refineries, etc. Due to its simple installation and low cost, external-mounted liquid level gauges are suitable for smaller containers or scenarios where direct contact with liquids cannot occur, such as small storage tanks, pipelines, etc.

There are some differences between radar level gauges and externally mounted Liquid level measuring instruments in terms of working principles, installation methods and applicable scenarios. Appropriate instruments can be selected based on actual needs and scene characteristics.