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16
2022.09

HS-ULC External Ultrasonic Liquid Level Switch(High-Pro Type)

【Introduction】

   HS-ULC external ultrasonic liquid level switch(High-Pro), is an enhanced liquid level measurement alarm device. It is mainly used to detect the liquid level of the storage tank. Its sensor (digital probe) acts on the outer wall of the storage tank, which can realize upper and lower limit alarm, tank temperature display or monitor whether there is liquid in the pipeline. It is suitable for the level process control of pharmaceutical, petroleum, chemical, power, food and other industries. It is an ideal choice for the monitoring of toxic and highly corrosive dangerous liquid.

Features

The signal processing method can overcome the influence of temperature drift and has stronger anti-interference;

Installation mode: adsorption+adhesive can improve the working stability of the probe;

Built in temperature sensor can monitor temperature change for 24 hours, and can also be used for temperature compensation;

Single probe mode is adopted, which is more convenient for installation and avoids repeated calibration;

Newly added hand recorder, which can debug the instrument;

The probe status can be detected to ensure the reliable installation of the probe;

Support the on-site upgrade of digital probe software;

The historical data of the secondary meter can be read wirelessly.

【Working Principle】

The sensor of the High Pro type liquid level switch couples the high-frequency ultrasonic pulse generated to the vessel wall through the couplant. The pulse is transmitted in the vessel wall and liquid, and also reflected by the inner surface of the vessel. By detecting and calculating the characteristics of the reflected signal, the measured data is transmitted to the on-site secondary meter through the 485 serial port in real time, which can judge whether the liquid level reaches the installation position of the switch.


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