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How the radar level transmitter works and its application

How the radar level transmitter works and its application


Transmit-reflect-receive is the basic working principle of radar level transmitter

The antenna of the radar sensor emits electromagnetic wave signals in the form of beams. The emitted waves are reflected on the surface of the material to be measured, and the reflected echo signals are still received by the antenna. Every point in the transmitted and reflected beams is collected by ultrasonic sampling. After the signal is processed by the intelligent processor, the distance between the medium and the probe is obtained and sent to the terminal display for display, alarm, and operation. During the transmission time interval, the antenna system is used as a receiving device. The instrument analyzes and processes the echo signal whose running time is less than one billionth of a second, and analyzes and processes the echo in a very short moment.

The radar sensor uses a special time interval adjustment technology to amplify and locate the echo signals per second, and then analyze and process them. Therefore, the radar sensor can analyze and process these amplified echo signals accurately and meticulously within 0.1s, without spending a lot of time analyzing the frequency.

Features of radar level transmitter

The biggest feature of the radar level transmitter is its remarkable efficiency under harsh conditions. It can be measured whether it is a toxic medium or a corrosive medium, whether it is a solid, liquid, dusty or slurry medium. In terms of measurement, it has the following characteristics:

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1. Continuous and accurate measurement

Due to the characteristics of electromagnetic waves, it is not affected by the environment. Therefore, its measurement applications are relatively wide. The probe of the radar level gauge has no contact with the surface of the medium, which is a non-contact measurement, which can accurately and quickly measure different media. The probe is hardly affected by temperature, pressure, gas, etc. 

2. It has suppression function for interference echo

For example, the interference echo caused by the joint in the beam range and the interference echo caused by the noise of feeding or discharging can be automatically suppressed by the internal fuzzy logic control.

3. Accurate and safe energy saving

The radar level gauge can measure under vacuum and pressure. It is accurate and safe, has strong plasticity, and can be applied to various occasions without any restrictions. The chemical and mechanical properties of the materials used in the radar level gauge are quite stable, and the materials can be recycled, which is extremely environmentally friendly.

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4. No maintenance and strong plasticity     

The microwave is almost free from interference and does not directly contact the measuring medium. It can be used on almost various occasions, such as vacuum measurement, liquid level measurement or material level measurement. Due to the use of advanced materials, it is very durable against extremely complicated chemical and physical conditions. It can provide accurate, reliable, long-term stable analogue or digital signals. 

5. Convenient maintenance and simple operation

The radar level gauge has fault alarm and self-diagnosis functions. Analyze the fault according to the error code prompted by the operation display module, and determine the fault in time to eliminate it, making maintenance and calibration more convenient and accurate, and ensuring the normal operation of the instrument.

6. A wide range of applications, almost all media can be measured

From the shape of the tank body, the radar level gauge can measure the liquid level of spherical tanks, horizontal tanks, cylindrical tanks, cylindrical cones, etc.; from the tank function, it can measure the liquid level of storage tanks and buffer tanks, Microwave tube, the liquid level in the by-pass tube; from the measured medium, liquid, particle, slurry, etc. can be measured.

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Application of radar level transmitter

Rika radar level transmitter not only measures many solid materials but also measures the level of liquids and slurries. The meter can be operated in a wide range of temperature, pressure, steam gas mixture and various process conditions. Main applications include:

1. Chemical and petrochemical storage containers and process storage tanks

2. Pharmaceutical industry reactor

3. Food and beverage manufacturing

4. Refining process vessel

5. Water and sewage treatment

6. Hydroelectric power generation and dams

7. Cement, powder, wood chips and other solid material measurement applications

8. Water tank measuring device

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