With the rapid development of the petroleum industry, the automatic level measurement technology of crude oil storage tanks has received more and more attention from people. Level measurement is widely used in industrial measurement. Accurate level measurement is an important means of production process control. This is especially true in industrial tank inspections. At present, the commonly used liquid level measurement of storage tanks mainly uses high-tech such as ultrasonic, radar, sensors, etc., and the automatic measurement of oil tank liquid level has entered a new stage of multi-function and high precision. This article mainly describes the application of ultrasonic sensor monitoring in oil tank liquid level.
Ultrasonic sensors also have a wide range of applications in the industry. For example, when measuring the oil level in an oil tank, an ultrasonic liquid level sensor is needed. However, the following factors need to be considered when installing the sensor in the fuel tank.
1. Avoid obstacles-other obstacles on the tank wall or in the tank will produce inaccurate readings.
2. Placement can affect readings-our filtering protocol allows the sensor to prioritize large targets and noise on small targets. This is beneficial in liquid level monitoring applications because the liquid level tends to provide the loudest sound.
3. Pay attention to fill flow-fill flow may also be an obstacle that you might not initially consider in your application.
Therefore, when the ultrasonic sensor is installed in the fuel tank, the location of the sensor is very important to the application. The location of the sensor will affect reliability and consistent performance.
About the reflection on the side of the oil (water) tank?
Our sensor provides a narrow beam pattern to reduce the possibility of the sensor detecting the wall of the water tank, which can solve your problem according to the diameter of the water tank. If there are smooth walls inside the tank, our MB7052 sensor contains our most likely stability filter. This will allow the sensor to select the target that can produce the largest acoustic echo. This is usually the liquid level in the tank.
Measure the chemical substance (liquid/gas) in the water tank or the water with high concentration of chemical substance?
Many chemicals or gases will have an impact on electronics/metals that may cause corrosion or damage. Therefore, the F option (fluorocarbon sealant) and P option (parylene coating) are specially provided for the sensor to allow it to be near the danger or Handling chemicals or gases/smoke when it is dangerous.
What is the F option (fluorocarbon sealant) (IP68) and P option (parylene coating) in the sensor?
The F option adds additional water/particulate protection.
The P option is a parylene coating applied to the surface of the aluminum sensor to increase corrosion protection.
For example, if you are measuring the water level in a water tank and the water contains a lot of chlorine or other chemicals, it will have an adverse effect on aluminum. Depending on the chlorine content and temperature of the tank, it creates a corrosive environment. Gongjun Technology recommends that you order F and P options and sensors to prevent corrosion of aluminum sensors. We strongly recommend that customers verify whether the exposed materials on our sensors can withstand the environment they are in.
In order to better monitor the liquid level of the storage tank, it is necessary to consider the selection of the best sensor:
1. The size of the water tank to be measured.
2. Does the fuel tank have ripples or smooth walls?
3. What is the minimum range required for surveying?
4. What is stored in the oil (water) tank? Oil and gas, water, bulk storage, chemical storage, other?
5. How fast will the liquid level of the water tank change over time?
Regarding the ultrasonic sensor monitoring of the oil tank liquid level, the liquid level ultrasonic sensor-MB7389 provided by the website-MB7389 is a cost-effective solution for the applications that need to be used. Accuracy range-lookup, low voltage operation, space saving, low cost, and IP67 weather forecast resistance. The hMB7389 sensor line provides high-precision and high-resolution ultrasonic proximity detection and ranging in the air. The sensor line is characterized by 1mm resolution, target size and operating voltage compensation. In order to improve accuracy, better reject external noise sources, temperature compensation of internal speed and optional external temperature compensation. The MB7389 model is available in 5m or 10m models. This ultrasonic sensor can detect objects ranging from 1 mm to 30 cm. The largest range. Objects over 30 cm are usually reported as 30 cm. The output format of the interface is pulse width, analog voltage and digital serial in RS232 (MB7360 series) or TTL (MB7380 series). Factory calibration is standard.
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