Guided Wave Radar Level Transmitter: Analysis Of Required Conditions For Effective Measurement

Guided wave radar level transmitters are suitable for a variety of scenarios, but not all environments meet their usage requirements. In practical applications, guided wave radar measurement can handle various harsh conditions and is suitable for complex measurement environments and operational conditions. Therefore, users need to choose appropriate guided wave radar measurement conditions based on the working principles and installation requirements of the level transmitter to ensure the device functions effectively. So, what conditions are more suitable for the use of guided wave radar level transmitters? Let's outline them below.

 

 

The working principle of the guided wave radar level transmitter involves microwave pulses propagating downward along a guiding rod. When the signal reaches the material, part of it reflects back, allowing the measurement of the time difference between the transmitted and received signals to determine the liquid level. This instrument is suitable for small-scale tanks, tanks with complex geometries or internal obstacles, as well as for measuring steam, foam, and condensate.

Here are several measurement conditions that are suitable for guided wave radar level transmitters:

1.Survey Scale: This is closely related to the characteristics of the receiving antenna.

2.Overfill Protection: A safe interval can be set in the blind zone.

3.Medium Characteristics: When the dielectric constant of the medium is low, the bottom of the tank should be clearly visible when the liquid level is low to ensure measurement accuracy.

4.Measurement Distance: The guided wave radar level transmitter can measure the position of the receiving antenna's tip, but due to the effects of erosion and adhesion, the measurement scale should be at least 100 mm away from the tip of the receiving antenna.

5.Liquid Concentration: In liquids of different concentrations, foam may absorb or reflect microwaves, but measurements can still be taken under specific conditions.

6.Survey Starting Point: The measurement range is calculated from the point where the beam reaches the bottom of the tank. However, in special cases, such as when the tank is concave or conical, measurements may not be possible when the liquid level is below this point.

Therefore, when considering the suitability of guided wave radar level transmitters, users can take the above factors into account to avoid situations where the equipment cannot be used effectively or where measurement results are unsatisfactory. If you have any questions, feel free to consult us at any time.