15NCLPT-2E

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15NCLPT-2E is a non-contacting capacitance level-pressure transmitter used to measure the level of liquid and gas media in industrial processes. It has the advantages of high precision and long-term stability. It has been widely used in power plants, petroleum and petrochemical plants, metallurgical plants, paper mills, pharmaceutical factories and water treatment plants. This paper will discuss the application field and working principle of 15NCLPT-2E.

The application of 15NCLPT-2E is very wide. In terms of liquid level measurement, it can be used in process tanks, storage water tanks and production fields. It can also be used when measuring the level of various media such as water, oil and slurry. In addition, it is an important tool for the measurement of small capacity tanks and high pressure vessels. Furthermore, it can be used for liquid-gas two-phase measurement, gas density measurement and gas pressure measurement (30-2500KPa). For example, it is used in the analysis and control of the pressure of natural gas, liquefied gas and chlorine gas. It is also used in the measurement of air pressure in vertical pipelines and wind speed in field measurements.

The working principle of 15NCLPT-2E is based on the principle of capacitance. The pressure sensor consists mainly of a pressure measuring diaphragm, a pressure bellows, an internal pressure cavity and an electrode. The pressure measuring diaphragm is sealed between the medium and the internal pressure cavity. When the medium pressure applied to the diaphragm changes, the pressure bellows deforms to compensate for volume for pressure changes. The internal pressure cavity functions as a capacitor. As the pressure changes, the distance between the diaphragm and the electrode also changes. The change in distance will change the capacitance of the cavity, which is proportional to the external pressure. The capacitance change is converted into a 4-20mA DC signal proportional to pressure, and then output externally. This pressure output signal can be directly used for the measurement and control of pressure parameters.

In conclusion, 15NCLPT-2E is a non-contacting capacitance level-pressure transmitter which has the advantages of high precision and long-term stability. It is widely used in various fields involving liquid and gas media such as power plants, petroleum and petrochemical plants, metallurgical plants, paper mills, pharmaceutical factories and water treatment plants. Its working principle is based on the principle of capacitance. When the pressure of the medium changes, the distance between the diaphragm and the electrode changes, which will cause the capacitance of the internal pressure cavity to change. The capacitance change will be converted into a 4-20mA DC signal which can be used for the measurement and control of pressure parameters.

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