Radar Level Gauge Pressure Capability and Selection Guide

How high pressure can a radar level gauge withstand? Radar waves are electromagnetic waves, which are less affected by pressure changes, so the measurement is not sensitive to pressure. Generally, the pressure resistance of radar level gauges for storage tanks is 0-1.6bar, and the larger pressure resistance is mostly due to the bearing capacity of the sealing part, and the quality Better radar level gauges have a maximum pressure of 60bar. Advantages of radar level gauge 1. It has a wide range of applications and can measure almost all media. From the shape of the tank body, the radar level gauge can measure the liquid level of spherical tanks, horizontal tanks, cylindrical tanks, cylindrical cone tanks, etc. Measurement; in terms of tank function, it can measure the liquid level in storage tanks, buffer tanks, microwave tubes, and bypass pipes; in terms of the measured medium, it can measure liquid, particles, slurry, etc. Due to the characteristics of electromagnetic waves, the probe is almost not affected by the environment such as temperature, pressure, and gas (the effect is only 0.018% at 500°C, and 0.8% at 50bar), so its measurement application is relatively wide. The probe of the radar level gauge has no contact with the surface of the medium, which belongs to non-contact measurement and can measure different media accurately and quickly. 2. It has the function of suppressing the interference echo. The interference echo caused by the joint within 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, safe, and energy-saving In microwave level measurement equipment, the energy wave used is usually a high-frequency electromagnetic wave with a frequency of 8.3GHz (mostly around 6GHz, and there are also higher frequencies). Generally, the maximum pulse energy of the pulse energy wave is about 1mW (the average power is about 1μW), which will not cause radiation damage to other equipment and personnel. The radar level gauge can measure under vacuum and pressure, and it is accurate, safe, and reliable. It 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 very environmentally friendly. 4. No maintenance and reliability The microwave is hardly disturbed, and it is not in direct contact with the measurement medium. It can be used in almost various occasions, such as vacuum measurement, liquid level measurement or material level measurement. Due to the use of advanced materials, it is durable to extremely complex chemical and physical conditions, and it can provide accurate, reliable, long-term stable analog or digital level signals. 5. Easy maintenance and simple operation The radar level gauge has the function of fault alarm and self-diagnosis. Analyze the fault according to the error code prompted by the operation display module, determine the fault in time and eliminate it, which makes the maintenance and correction more convenient and accurate, and ensures the normal operation of the instrument. How to choose a radar level gauge correctly? When the radar level gauge is selected, it should be selected according to the temperature and pressure of the liquid. The normal temperature type of the guided wave radar level gauge can withstand liquid temperature ≤130℃; the high temperature type can withstand liquid temperature ≤200℃. If it exceeds 200℃, it is recommended to use other level gauges. Low-frequency bell mouth radar, the liquid temperature that can be tolerated by normal temperature type is ≤130℃; the liquid temperature that can be tolerated by high temperature type is ≤300℃. The customized liquid temperature that can be tolerated is less than or equal to 450°C. High-frequency bell mouth radar, normal temperature type can withstand liquid temperature ≤ 130 ℃; high temperature type can withstand liquid temperature ≤ 200 ℃. Above 200℃, the price of the high frequency bell mouth radar level gauge will be slightly higher than that of the normal temperature type.

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