Generally speaking, radar level gauge is a general term, and it is the most common name in this industry. It has many names, such as level gauge, liquid level gauge, and material level gauge, as well as radar liquid level gauge and radar material level gauge. The difference in the names of radar level gauges lies in the fact that level gauge includes liquid level gauge and material level gauge, and radar level gauge includes radar liquid level gauge and radar material level gauge, while level gauge is just a short form of radar level gauge. They mean the same thing. The only difference from other names is the substance being measured. Radar level gauge and level gauge refer to the measurement of both solids and liquids, while radar material level gauge and material level gauge generally measure solids, and radar liquid level gauge and liquid level gauge generally measure liquids. Radar level gauges can be further divided into ordinary guided wave radar level gauges, intelligent radar level gauges, and corrosion-resistant rod-type radar level gauges. Solids and powders usually use intelligent radar level gauges, such as (coal mines, slag, etc.). Liquids usually use guided wave radar liquid level gauges, such as (gasoline, finished oil, etc.). Corrosive substances use rod-type radar level gauges, such as (hydrochloric acid, sulfuric acid, etc.).
The principle of radar level gauge is that high-frequency microwave pulses are transmitted and received through the antenna system. Radar waves travel at the speed of light, and the travel time can be converted into a level signal by electronic components. A special time-stretching method ensures stable and accurate measurement. Even in complex working conditions with false echoes, the latest microprocessor technology and debugging software can accurately identify the echo of the level.
Guided wave radar is a measuring instrument based on the time-of-flight principle. Radar waves travel at the speed of light; the travel time can be converted into a level signal by electronic components. The instrument measures the distance from the reference point to the material surface. The probe emits high-frequency pulses that propagate along the cable. When the pulses encounter the material surface, they are reflected back and received by the receiver in the instrument, and the time signal is converted into a level signal.
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2026-06-18
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