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With the continuous advancement of science and technology, radar water level meters have been used more and more. It has the advantages of low cost, high stability, flexibility, high reliability, low power consumption, convenient parameter setting, safe and simple maintenance, etc., and has important promotion value. Today, the editor will take you to a simple understanding of radar water level meter.
Radar water level meter is a kind of measurement equipment introduced from abroad in recent years. The water level meter has mature technology, high measurement accuracy, easy installation, and is not restricted by environment and geography, so it has been widely used.
Measuring principle of radar water level meter
The radar level gauge adopts the working mode of transmitting-reflecting-receiving. The electromagnetic wave emitted by the antenna is reflected by the surface of the measured object and then received by the antenna. After measuring the distance from the water surface to the radar antenna, the elevation of the water surface can be calculated according to the elevation of the radar antenna. The radar water level meter adopts pulse wave technology with low power consumption. It can be powered by two-wire 24 VDC, 485 interface output, or can be directly powered by 12 VDC, SDI-12 interface output, with high accuracy and wider application range.
What are the characteristics of radar water level meter?
①All measuring components are designed in an integrated manner, and there is no mechanical wear during measurement. Because the measurement is a non-contact measurement, it is not affected by the physical properties such as the density and concentration of the water body, it is not easy to be washed away by floods, has a long service life and is easy to maintain.
②The electromagnetic wave emitted during measurement can pass through the vacuum, no transmission medium is required, and the anti-interference ability is strong, and it is not affected by temperature, wind, water vapor, water mist, rain, etc.
③It can be used for liquid level measurement of almost all liquids, and can be continuously measured on-line unattended.
④Large measurement range, high precision, mature technology and stable performance.
⑤The key components are made of high-quality materials, which have strong corrosion resistance and can adapt to highly corrosive environments.
⑥ Low power consumption, can use solar power to supply power, no need to build water level wells, adapt to various geographical environments, no impact on water flow, and more convenient installation and maintenance.
⑦The parameter setting is convenient, and the false echo from the liquid surface to the antenna can be automatically identified by the software carried by itself to eliminate the interference.
So what are the installation technical requirements for radar water level meters?
The installation of the radar water level meter must be vertical to the object to be measured; there should be no obstructions between the measured object and the radar water level meter, otherwise it will affect the reflection of radar waves, that is, affect the measurement accuracy; the center of the radar water level meter is far from the shore of the water body. The distance must be greater than the radius of the transmitting beam, otherwise the measurement accuracy will also be affected; the installation cantilever bracket of the radar water level meter must be firm, and cannot be shaken up and down; in order to protect the radar water level meter, the water level meter can be installed on the cantilever bracket. Iron box, put the radar water level meter probe.
The advantages of the radar level transmitter are obvious. The editor warmly reminds that to choose the right one, it is still necessary to meet your own situation.
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