Sonar external liquid level sensor
The sonar external level sensor is a completely non-contact, low cost, easy to install product. It applies the advanced isolated liquid level measurement technology of Dinghua Electronics to the general livelihood industry, making the liquid level measurement more convenient, economical and accurate. Unlike ordinary liquid level gauges, the sonar external liquid level sensor has more restrictions on use, and its easy-to-install feature can meet most liquid level measurement needs.
Features
Completely isolated non-contact level measurement for easy installation；
1-5V and RS485 serial output;
9-36VCD power supply;
IP67 protection level;
Internal compensation algorithm can effectively improve the accuracy;
The measuring range can reach 2000mm;
Simple installation: the sensor does not need process connectors, and the liquid level measurement can be realized as soon as the magnet is attracted;
Wide application environment: the sensor has no liquid contact parts, and can be widely used in various corrosive, highly toxic, and high-purity working conditions without contact with the medium;
High product reliability: Dinghua Electronics has tens of thousands of successful cases in the more stringent petrochemical field.
It has unique advantages in oil level measurement of vehicles, trains, transformers, canned liquid level measurement in the pharmaceutical and food industry, liquid level measurement of liquid receivers in the refrigeration industry, etc.!
The sonar sensor can emit a strong sound wave pulse to penetrate the container wall. When the wave reaches the surface of the liquid level, there will be a reflected wave back to the sensor. The reflected wave is converted into an electrical signal by the sensor, and then sent to the controller. The controller calculates the time and speed of the sound wave reflection, and then converts it into a liquid level.
(Schematic diagram of measurement principle)
Working principle
Technical indicators
Sonar external liquid level sensor
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Operating Voltage
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DC9~36V | |
Operating temperature
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-25℃~70℃ | |
Measuring range
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V2.xx | 30mm~700mm |
| V5.xx | 100mm~2000mm | |
| V7.xx | 100mm~ | |
Probe installation method
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Magnetic, Adhesive
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Liquid measurement accuracy
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static:±1%
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| working environment |
Relative humidity <90%, normal temperature, normal pressure, non-corrosive gas
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output method
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One RS-485 interface; one 0~5V DC analog interface
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Protocol
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MODBUS communication protocol RTU mode
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