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General application of ultrasonic flowmeter Posted by : admin / Posted on : Sep 30, 2019

  Ultrasonic level gauge is a common device for measuring liquid level. It is widely used. The ultrasonic level gauge has the characteristics of easy installation and non-contact measurement, and is not affected by the viscosity and transparency of the liquid. At the same time, the ultrasonic level gauge is transmitted by air, and its measurement accuracy is affected by ambient temperature, ambient humidity, medium temperature, medium pressure, wind speed and the like.
  According to the characteristics of the ultrasonic wave, the actual situation is more suitable for occasions where the precision is not high and the working environment is not bad.
First, the water treatment industry.
      Water treatment industry, including sewage treatment, tap water, pure water manufacturing and other occasions. The medium to be measured is basically sewage and clean water, and the accuracy of measurement is not high. Moreover, the working environment is basically not highly corrosive, there is no electromagnetic interference, and most of them work in the open air. At most, the waves in the water inlet are large, or there is a small amount of foam on the water surface.
Second, water conservancy and hydrology and water conservancy and hydrology industry, in the early years mainly used to measure the water level changes at the gate.
      In recent years, due to the increased investment by the state in the water conservancy industry, mountain flood warning and water level rainfall monitoring are required in the small and medium-sized river basins. These occasions basically require 12VDC power supply and 485 output. Because they are all measured on the water surface, there is no requirement for the emission angle of the ultrasonic level gauge, and there is no volatility or foam.
Third, farmland irrigation With the lack of water resources, farmland irrigation has begun to implement water level and flow monitoring.
      They are generally carried out on relatively wide channels, and small channels generally do not require measurement. Common channel widths are more than 1 meter.
Fourth, chemical companies are mainly anti-corrosion, explosion-proof ultrasonic level gauge.
      The liquids of chemical companies are measured by ultrasonic waves and are basically in storage tanks. For example: sulfuric acid, hydrochloric acid, liquid alkali, toluene, xylene, olefins, ammonia, acetone, and the like.
      These occasions can be solved with an ultrasonic level gauge. If it is in the reaction kettle, the effect of using the ultrasonic level gauge will be poor because of the effects of stirring, high temperature, vacuum, steam, mist, foam, and the like. It is better to use radar level gauge, pressure level gauge, RF admittance level gauge, etc.
Orifice plate flowmeter