26G Radar Level Meter：Principles, Applications, and Advantages
2026-07-16
Working Principle
Radar level transmitter antenna microwave pulse is narrow, the downward transmission antenna. Microwave exposure to the medium surface is reflected back again by the antenna system receives, sends the signal to the electronic circuit automatically converted into level signals (because the microwave propagation speed, electromagnetic wave to reach the target and the reflected back to the receiver this time is almost instantaneous).
The characteristics of 26G radar level meter:
- Small antenna size, easy to install; Non-contact radar, no wear, no pollution.
- Almost no corrosion, bubble effect; almost not affected by water vapor in the atmosphere, the temperature and pressure changes.
- Serious dust environment on the high level meter work has little effect.
- A shorter wavelength, the reflection of solid surface inclination is better.
- Beam angle is small, the energy is concentrated, can enhance the ability of echo and to avoid interference.
- The measuring range is smaller, for a measurement will yield good results.
- High signal-to-noise ratio, the level fluctuation state can obtain better performance.
- High frequency, measurement of solid and low dielectric constant of the best choice
Advantages
● Unaffected by noise, steam, dust, vacuum, etc.
● Unaffected by changes in medium density, viscosity, and temperature
● Process pressure up to 40 MPa
● Process temperature up to 400℃
Applications
The terahertz frequency modulation radar object level meter focuses the beam throughthe lens and has a very small emission Angle, which has a very strong penetrabilityWith special environmental learning function, it can be used with a variety of simpleinstallation components to ensure accurate and stable measurement of the radar underhigh temperature, high pressure, strong corrosion, strong dust and other environments.
Conclusion
Radar level gauge is a non-contact liquid level measuring instrument that measures liquid level by emitting electromagnetic waves and receiving their echoes. With its high precision, strong adaptability and low maintenance, it has become the mainstream choice for liquid level measurement under complex working conditions.
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