Radar and Guided Wave Radar Level Transmitter are often used in tank level measurement. Radar Level Transmitter and Guided Wave Radar Level Transmitter both use the principle that electromagnetic waves will be reflected on the surface of the medium to measure the level.
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From a simple appearance, the Guided Wave Radar Level Transmitter has one more rod (cable) than the Radar Level Transmitter, and electromagnetic waves propagate along the probe rod. Next, let&#;s look in detail at the differences between radar level transmitters and guided wave radar level transmitters.
RFQ
First of all, you can learn about the detailed technical parameters, advantages and disadvantages, working principles, etc. of radar level transmitters and guided wave radar level transmitters from our product page.
Radar Level Transmitter is non-contact, and Guided Wave Radar Level Transmitter is contact.
In other words, GWR cannot be used in situations where food grade requirements are higher.
Guided Wave Radar Level Transmitter needs to consider the corrosiveness and adhesion of the medium, and it is more difficult to install and maintain a guided wave radar that is too long.
Regarding different media situations, I think &#;Doug Anderson VEGA Controls Ltd&#; summarized it very well. It&#;s available for everyone&#;s reference. Here we quote it:
Product/process requirementsNon contact RadarGuided Radar (TDR)Abrasive product10Adhesive product10Aggressive product10Agitated process/Viscous product10Extreme Product/Process temperatures10Heavy Condensation/Steam01High process Pressures11Low product reflectivity/dielectric constant <1.401Interface measurement (i.e.oil/water)01Narrow vessel01Obstructions in vessel11Standpipe/Bridle/Stilling tube01Foam on surface01Mounting/Nozzle interference10Overfill01Adaptability of a device10Ease of installation in application/maintenance10Mechanical fitting-sizeCommon Radar Level Transmitter can be used interchangeably.
The Guided Wave Radar Level Transmitter generally cannot be used interchangeably because the length of the waveguide rod (cable) is fixed according to the original working conditions. Affected by this, the selection of guided wave radar is more troublesome than that of ordinary radar.
Ordinary Radar Level Transmitter is commonly used on tanks of 30 and 40 meters, and can even measure up to 150 meters.
The guided wave radar Level Transmitter can measure up to 30m.
Guided Wave Radar Level Transmitter also needs to consider the force of the waveguide rod (cable). Due to the force, the measurement distance of guided wave radar is generally not very long.
However, in some special working conditions, the Guided Wave Radar Level Transmitter has obvious advantages. For example, there is stirring in the tank and the medium fluctuates greatly. In such working conditions, the measured value of the guided wave radar with a fixed bottom is more stable than that of the flexible radar.
There is also material level measurement in small tanks. Due to the small installation and measurement space (or there are many interference objects in the tank), ordinary Radar Level Transmitter is not suitable. At this time, the advantages of guided wave radar appear.
In order to better choose suitable liquid level measurement equipment, it is best for us to understand the Difference Between Radar and Guided Wave Radar Level Transmitter in advance, as well as their installation, maintenance and other requirements.
We, Sino-Inst, are a professional manufacturer of radar level transmitters and guided wave radar level transmitters. We produce 26GHz, 80GHz radar level transmitters and guided wave radar level transmitters in various probe rod forms. If you have any questions about the Difference Between Radar and Guided Wave Radar Level Transmitter, please feel free to contact us!
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Introduction:
Level measurement is a critical aspect of industrial processes, and choosing the right level transmitter is essential for accurate and reliable readings. In this blog post, we'll explore the advantages of RADAR (Radio Detection and Ranging) type level transmitters over Ultrasonic type level transmitters, highlighting why RADAR technology is gaining popularity in industrial applications.
1. Measurement Reliability:
RADAR level transmitters offer enhanced measurement reliability compared to ultrasonic transmitters. RADAR technology is not affected by factors such as temperature fluctuations, humidity, or vapors, which can impact ultrasonic measurements. RADAR waves are unaffected by environmental conditions, providing consistent and reliable level readings.
2. Non-Contact Measurement:
RADAR level transmitters operate on a non-contact principle, which means there is no physical contact between the transmitter and the liquid being measured. This eliminates any concerns related to corrosion, fouling, or maintenance issues caused by contact-based sensors, which are common in ultrasonic transmitters.
3. Wide Application Range:
RADAR level transmitters are suitable for a wide range of applications, including liquids, slurries, and solids. Unlike ultrasonic transmitters, RADAR transmitters can effectively measure levels in challenging environments with dust, foam, or turbulent surfaces, making them versatile for various industrial processes.
4. Accuracy and Precision:
RADAR transmitters offer high accuracy and precision in level measurement. They provide excellent resolution and can detect small changes in level, allowing for better process control and optimization. Ultrasonic transmitters may struggle with accuracy in certain conditions, such as uneven surfaces or low dielectric materials.
5. Longer Measurement Range:
RADAR level transmitters excel in applications that require long measurement ranges. They can achieve measurements over several hundred feet, whereas ultrasonic transmitters have limitations in terms of their maximum measurement range.
6. Real-Time Continuous Measurement:
RADAR transmitters provide real-time continuous level measurement, ensuring constant monitoring and immediate detection of level changes. This is particularly beneficial in processes that require quick response times and precise control, allowing for timely adjustments and preventing potential issues.
7. Easy Installation and Maintenance:
RADAR transmitters are relatively easy to install and require minimal maintenance. Unlike ultrasonic transmitters that may require regular cleaning or calibration due to contact-based sensors, RADAR transmitters eliminate these concerns, reducing downtime and overall maintenance efforts.
Conclusion:
RADAR type level transmitters offer numerous advantages over ultrasonic type level transmitters in terms of measurement reliability, non-contact operation, wide application range, accuracy, longer measurement range, real-time continuous measurement, and ease of installation and maintenance. Considering these advantages, RADAR technology is becoming increasingly popular and is a preferred choice for level measurement in various industrial sectors. When selecting a level transmitter, it's crucial to evaluate the specific requirements of your application and choose the technology that best suits your needs for accurate and efficient level measurement.
Are you interested in learning more about radar type level transmitter? Contact us today to secure an expert consultation!