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Brief introduction to the working principle of pressure transmitter

Post: 2020-02-29

Pressure transmitters are familiar to many people.Now is a very developed era of technology, we can use technology products to do a lot of very difficult things.However, it is important for us to know how a technology works if we want to use it skillfully and correctly.

Pressure transmitter is a very wide range of applications in the professional field of appliances, as a professional used to measure the pressure of the pressure medium in the closure of the induction type instrument, the original scientific principle of pressure transmitter is based on the law of voltage induction.At present, the intelligent pressure transmitter produced in China has realized the digital excitation, and CAN field bus is used on the pressure transmitter. The pressure transmitter adopts sensor embedded technology as its main technology, which is the first in China.

Compared with other ordinary pressure transmitters, the advantage and characteristic of this pressure transmitter is to make its measurable pressure range as large as possible, and its pressure loss is also very small.In general, in the midst of pressure transmitter, pressure of the ratio between the maximum and the minimum of the two for one or more than 20, if it is suitable for those words, so the range of pipe diameter will be a little more wide, the measured pressure and the output signal is to become a kind of linear relationship between measurement accuracy is high, it is also the characteristics of pressure transmitter and advantage.

According to Faraday's principle of pressure induction, if a conductor is cutting the pressure line in the pressure field, a certain induced potential will be generated in the conductor, and its size is proportional to the speed of the conductor flowing in the vertical direction in the pressure field.Moreover, in the pressure field, the conductive fluid will cut a certain induction line when it moves in the vertical direction, and finally produce the induced potential.