In recent years, the continuous development of industrial-level measurements has occupied an extremely important position, and it has raised higher and higher requirements for the accuracy, breadth and anti-jamming of liquid level measurements. Level measurement data is used to achieve production and process control. Important parameters. The total amount of fluid stored in the tank is managed and controlled using level measurements. In the early days, due to the small scale of production in the industrial sector, mechanical measurement methods were used for liquid level measurement. However, with the expansion of production scale in many automated industrial production systems, real-time liquid level monitoring of the system is required. Ultrasonic waves have the advantages of strong directivity, low energy consumption, and no direct contact with the measured object, so they are widely used. In the liquid level measurement. Let's take a closer look at the relevant principles and applications of ultrasonic level measurement.
Ultrasonic liquid level sensors transmit and receive ultrasonic waves under the control of a microprocessor. When ultrasonic waves propagate in the air and encounter obstacles (including liquids such as water), significant reflections are generated. The use of ultrasound can not only measure the distance and speed, but also measure the liquid level and material level. Measure the ultrasonic wave in the liquid level gauge to convey a back and forth time. Through the known speed of sound, the distance from the liquid level gauge to the liquid surface can be obtained, and then the level height can be obtained according to the total height of the material level gauge. It can be seen that the ultrasonic wave has the advantages of high sensitivity, long life, and long measurement distance. However, because the ultrasonic level gauge is a sound wave reflection principle, there should be no obstacle under the sound wave, and obstacles will affect the ultrasonic emission and cause signal loss. Not recommended for use in absorbing environments such as foam.
In recent years, ultrasonic liquid level sensors have begun to be widely used in the level measurement instrument. It uses a non-contact measurement method. It has the advantages of easy installation, low failure rate, easy maintenance, high precision, and is free of media influences. . The SENIX Ultrasonic Liquid Level Sensor - ToughSonic-50 provided by Industrial Networks involves remote, solar-powered ultrasonic sensors that transmit measurements and send detection data via satellite and radio communications to a centralized management system. Not only that, the ToughSonic 50 ultrasonic sensor can detect a maximum distance of 50 feet (15.2 meters). Like all tough sensors, their durability and ease of use are used in harsh industrial environments. ToughSonic 50s can be completely immersed in water, corrosion resistance, impact resistance and toughness. They can also be fully configured with SenixVIEW software. In addition, the ToughSonic 50s can be used in three different housings, each with an RS-232 or RS-485 serial interface. These 9-wire sensors allow up to six simultaneous serial, analog and/or switching outputs. These main sensors are used throughout the world in remote level applications and harsh factory environments. The supporting PC uses the software - SenixVIEW. The sensor interface, time parameters, filters and modes can all be configured. Save costs, reduce the use of PLCs, delay circuits, and delay relays.
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