|信息来源： 液位变送器 | 2020-06-02 点击量： 1934|
How to install high quality flange liquid level transmitter / single flange liquid level transmitter is a kind of field transmitter directly installed on the pipeline or vessel. Single flange liquid level transmitter can accurately measure the liquid level and density of various vessels, which can be divided into two types: flat flange and plug-in flange. Because the isolation diaphragm directly contacts with the liquid medium, the positive pressure side does not need to be led out by the impulse pipe, so it is suitable for the measurement of high temperature, high viscosity, easy crystallization, easy precipitation, strong corrosion and other media.
How to install high quality flange liquid level transmitter,
The differential pressure transmitter is applicable to the following measurement and control conditions:
● viscous media at high temperature
● easily crystallized media
How to install high-quality flange liquid level transmitter / whether it is plug-in single flange liquid level transmitter or flat flange liquid level transmitter, in the final analysis, all belong to differential pressure transmitter. The principle of measuring liquid level is to calculate the pressure of medium at full liquid level through the formula P = pGH, and then calculate the height of liquid level in the container through differential pressure after the range of the transmitter is negatively shifted. Therefore, only if the pressure measurement is accurate, the liquid level オ may be correct. The advantages of the plug-in single flange liquid level transmitter are that it is not easy to block the pipe in the medium with high viscosity and large particles, but it is still weak in the environment with more serious fluid impact. To sum up, in the process of instrument selection, we should not only consider the price, brand, material and other issues of the instrument, but also focus on whether the working conditions of the area where the instrument is located can make it operate stably and reliably.
● bulk media with solid particles or suspended matter
● highly corrosive or highly toxic media
The utility model can eliminate the occurrence of the leakage of the impulse pipe polluting the surrounding environment, and can eliminate the tedious operation of the barrier fluid due to the unstable measurement signal when the barrier fluid is selected.
How to install high-quality flange type liquid level transmitter / there are many ways to measure the liquid level in the closed vessel at present. The common measuring instruments are magnetic flap liquid level meter, double flange differential pressure transmitter, single flange differential pressure transmitter, differential pressure transmitter, radar liquid level meter, etc. In some circumstances, the magnetic flap liquid level meter is easy to lose its magnetism, which leads to the liquid level meter failure; the radar liquid level meter has high precision, but large investment, and has great influence on the measurement due to many signal interference sources at the initial stage of operation
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