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What is the working principle of the microwave frequency of the radar level gauge?

Radar level gauges work mainly through microwave frequencies. What is the working principle of microwave frequency? For the working principle of the radar level gauge, I believe everyone knows that it is based on the microwave signal to calculate the measurement results, and its microwave signal and microwave frequency are inseparable, which is mainly divided into C-band, X Band, K band three frequency bands. Let's take a brief look.

 First, different antenna frequencies have different antenna emission waves. In general, the cone horn antenna we use has a relatively high microwave frequency, and its beam concentration is also good, and the beam angle is small, which is very important for the practical use of the radar level gauge.

 Secondly, the low-frequency radar level gauge beam is relatively wide, so if it is slightly ambiguous during installation, it will receive many false echoes inside.

 In addition, the K-band frequency is currently the highest on the market (26G high-frequency radar level gauge), which will be suitable for more occasions.
Technical advantages of radar level gauge: Radar level gauge measures the continuous level of liquid, particle and slurry. The measurement is not affected by medium change, temperature change, inert gas and steam, dust, foam and so on. The radar level gauge has an accuracy of 1mm, a range of 70 meters, a high temperature of 450 degrees, and a high pressure of 40 kilograms. The radar level gauge is suitable for acid-base storage tanks, slurry storage tanks, solid particles and small oil storage tanks in explosion hazardous areas. All kinds of conductive, non-conductive media, corrosive media. Such as coal bunkers, ash silos, oil tanks, acid tanks, etc.

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