loading
Home   |   INFO CENTER   |   NEWS   |  

Radar level meter how to achieve the measurement of no dead space

Home  >  INFO CENTER  >  NEWS  > 

Radar level meter how to achieve the measurement of no dead space

Radar level meter how to achieve the measurement of no dead space

2025-01-06

Radar level meter It is an advanced device for level measurement based on the electromagnetic wave reflection principle, and its core advantage is that it can realize high-precision, non-contact continuous measurement. However, in practical industrial applications, due to the complexity and diversity of working conditions, such as dust, temperature, pressure changes and inert gas and vapor presence, etc., radar level meters often face the challenge of measuring blind spots. So how can we achieve measurement without dead zones?

news-Kaidi Sensors-Radar level meter how to achieve the measurement of no dead space-img

Radar level meters measure the level by transmitting microwave pulses and receiving the reflected signal. Optional high frequency radar Level meters, such as radar working in the K-band (24 to 26 GHz), can effectively improve the measurement accuracy and resolution. High-frequency radar has a short wavelength and concentrated energy, which can better focus on the surface of the material and reduce the influence of interference factors, so that accurate measurement can still be maintained under complex working conditions. The design of antenna directly affects the measurement effect of radar level meter. The use of optimized antenna structure, such as parabolic antenna or lens antenna, can improve the energy density and directionality of the radar wave, so that the radar beam is more concentrated, reducing dispersion and interference. At the same time, the size and shape of the antenna need to be customized according to the size and shape of the vessel to ensure that the radar waves can cover every corner of the vessel, including those areas that are prone to forming measurement dead zones. In solids level measurement, the guided wave Tube technology is an effective means of solving the problem of measuring dead space.

news-Radar level meter how to achieve the measurement of no dead space-Kaidi Sensors-img

By installing the wave guide tube inside the vessel, the microwave pulse emitted by the radar antenna is guided to the surface of the material and receives the reflected signal, which can effectively avoid the influence of obstacles and agitators inside the vessel on the microwave transmission and ensure the stability and accuracy of the measurement signal. With the rapid development of electronic technology, radar level meter internal integration of higher performance fast microprocessor. These microprocessors are able to process a large amount of measurement data in real time, and use complex algorithms to analyze and filter the echo signal, thus improving the accuracy and response speed of the measurement. In complex working conditions, the return signal is often subject to a variety of noise interference. Radar meter adopts advanced signal enhancement and noise reduction technology, such as digital filtering, correlation operation, etc., to process the return signal in order to improve the signal-to-noise ratio and quality of the signal. In this way, the true level signal of the material can be accurately recognized even in a noisy environment. be aimed at dielectric constant The radar level meter supports the zero point setting and migration function for the measurement of low level media.

news-Kaidi Sensors-img

By setting the zero point at a low height of C and reasonably adjusting the migration amount, the accuracy and reliability of the measurement results can be ensured. At the same time, this setting can also effectively avoid the influence of the sediment at the bottom of the vessel on the measurement. In order to prevent the material from piling up too high and causing the radar level meter to be unable to work properly or damage the equipment, the radar level meter is set with safety distance and overflow protection function. When the material is close to the preset safety distance, the instrument will output an alarm signal to remind the operator; when the material exceeds the safety distance, the overflow protection mechanism will be triggered to stop the measurement and protect the equipment from damage. In the selection and use of radar level meter need to fully consider the shape and size of the container and the characteristics of the measured medium and other factors. For example, for the concave or conical bottom of the container, in the selection of radar level meter need to pay special attention to its minimum measurement range to meet the requirements; and for the adhesion or corrosive media, you need to choose the radar meter with corresponding protective measures to avoid measurement errors and equipment damage. Radar level meter has a good environmental adaptability to cope with high temperature, high pressure, high humidity and dust and other harsh working conditions. However, in different application scenarios, it is still necessary to choose the appropriate model and configuration to ensure its long-term stable operation and play the best performance. The radar level meter has successfully achieved the goal of measuring without dead angle by optimizing the antenna design, adopting advanced signal processing technology, reasonably setting the measurement parameters and fully considering the measurement conditions and environmental factors.



Chat Online 编辑模式下无法使用
Leave Your Message inputting...