3 Common Functions of Flow Meters

Abstract: The information on the three general functions of flow meters is provided to you by excellent flowmeter and flowmeter manufacturers. Flow meters have already constituted three elements of noise disturbance requirements for measuring equipment and detection systems, so the method of eliminating and reducing noise disturbance should also be selected according to the three elements, namely: 1. Intercepting disturbance transmission methods; 2. Eliminating or restraining noise sources 3. Weakened. More flowmeter manufacturers choose models and price quotations. You are welcome to inquire. Below are the details of the three general functions of flowmeters. Flow meters have already constituted a noise disturbance requirement for measurement equipment and detection systems“Three elements”Therefore, the method of eliminating and weakening the noise disturbance should also be selected according to three elements, namely: 1. Intercepting the transmission method of the disturbance; 2. Eliminating or restraining the noise source; 3. Reducing the sensitivity of the receiving circuit to the noise disturbance. Jinhu shared: The above three methods are all classified as hardware methods. With the application of microcomputers in industrial production and the wide application of intelligent sensors and intelligent instruments, in terms of software, more methods and methods to suppress disturbances such as digital filtering and digital processing have been used, and the safety level of instrumentation measurement and control systems has been greatly improved. The above methods generally use isolation, shielding, restraint, grounding maintenance, and software skills.——analyze. There are two main methods for the disturbance from transmission: one is through the power supply of the sensor or the power supply of the common signal instrument, that is, the power grid connected in series by the distributor; the other is that the signal line is disturbed by the induction of electromagnetic radiation in space, which will lead to components in severe cases. Corruption, logical errors and major system flaws. The disturbance from the grounding system is mainly the disturbance of the grounding system: the noise coupling disturbance caused by the shielded grounding wire of the measurement and control system, the chassis grounding wire, the signal grounding wire, the power grounding wire, and the AC power grounding wire. Shielding and restraint is to surround the shielded components, assemblies, circuits and signal lines with metal conductors, which are mainly used to restrain current noise coupling and have a certain magnetic shielding effect. In addition, replacing two parallel wires with twisted pairs is an effective way to restrain the disturbance of magnetic fields. The reliability of flow instruments and control systems directly affects the safe and stable operation of modern industrial production equipment, and the anti-disturbance adjustment of the system is the key to the reliable operation of the entire system. In the measurement process, if these troubles cannot be handled well, it will misinterpret the measurement effect, and even make the instrument or computer completely unable to work. The above is the whole content of this article. You are welcome to inquire about the flowmeter selection and quotation of our factory. '3 Common Functions of Flow Meters'

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