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Performance characteristics of ultrasonic level gauge

Author:    Source:    Date: 2021-07-14 17:29:47

The ultrasonic level gauge is a digital level gauge controlled by a microprocessor. In the measurement, ultrasonic pulses are emitted by the sensor (transducer). After the sound waves are reflected by the liquid surface, they are received by the same sensor or ultrasonic receiver. The piezoelectric crystal or magnetostrictive device converts it into an electrical signal, and calculates the distance between the sensor and the liquid surface by the time between the emission and reception of sound waves

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Due to the non-contact measurement, the measured medium is almost unlimited. Ultrasonic level gauges can be widely used to measure the height of various liquids and solid materials
The ultrasonic level gauge has strong anti-interference ability. The upper and lower limit nodes can be set arbitrarily and online output adjustment can be displayed on site. Can choose analog quantity, switch quantity, RS485 output, convenient to interface with related equipment
Use polypropylene waterproof shell. The shell is small and sturdy, and has excellent chemical resistance. For inorganic compounds, no matter acid, alkali, salt solution, except for strong oxidizing substances, there is almost no destructive effect, and almost all solvents are insoluble at room temperature. Generally, it can be used in media such as alkanes, hydrocarbons, alcohols, phenols, aldehydes, and ketones.
Ultrasonic level gauge has the advantages of light weight, no fouling, no medium pollution, non-toxic and so on. The utility model can be used for the installation of equipment in the pharmaceutical, food and other industries, and the maintenance is extremely convenient
Overview of Ultrasonic Level Gauge
The ultrasonic level gauge can adopt two-wire, three-wire or four-wire technology. The two-wire system is: the power supply and the signal output are shared; the three-wire system: the power supply circuit and the signal output circuit are independent, when the DC 24V power supply is used, a three-core cable can be used, and the negative end of the power supply and the negative end of the signal output share one core wire; four-wire system: When using AC 220V power supply, or when using DC 24V power supply, when the power supply circuit and the signal output circuit are completely isolated, a 4-core cable should be used. DC or AC power supply, 4~20mADC ultrasonic level gauge, high and low switch output

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