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Guided wave level Meter has obvious advantages in water level monitoring system, which is low in cost, maintenance-free, high in stability and accuracy. And by using the Internet cloud platform and messages, it is convenient to query the real-time water level , saving manpower and material resources, especially saving a lot of civil construction costs. Guided wave radar level meter is powered by 24VDC, the transmitted signal energy is small, but because the signal propagates along the waveguide, the signal energy loss is small. Therefore, the measurement will not be affected even if the liquid level fluctuates and there are obstacles or floating objects in the storage tank.
Compared with other water level meter,Ultrasonic water level meter and radar water level meter are non-contact measurement, with low sensitivity, and the measurement results are not accurate when the liquid level fluctuates and there are obstacles or floating objects.If the water fluctuates greatly, the measurement results will be affected and there will be a certain measurement dead zone.
Guided wave radar level meter compared with float water level meter, The float water level meter is affected by temperature , and its accuracy is not high,so it is necessary to build water level wells and management rooms. As the electronic sensor is placed underwater for a long time, the semiconductor and other electronic devices are easily damaged, which is basically impossible to repair, and the relative cost is relatively high,and the cost is relatively high. Guided wave level meter is a kind of liquid level measuring instrument in chemical industry.
Guided wave radar level meter is based on the basis of the principle of time-domain reflectometer (TDR) radar material level meter, electromagnetic pulse radar material level meter to the speed of light propagation along the wire or sonde, when encountered on the surface of measured medium, radar level meter part of the pulse is reflected echo and along the path to return to the same pulse transmitters, Launcher with distance on the surface of the measured medium is directly proportional to the propagation time of the pulse in the meantime, the liquid level height is calculated.
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