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Transmitter introduction and application


First, temperature transmitter
The temperature transmitter converts the temperature signal into a standard signal (such as 4 ~ 20mA, 1 ~ 5V, etc.) for output in industrial automation control systems. The temperature transmitter can be used for temperature measurement and control in various industrial occasions, such as petrochemical, metallurgy, electric power, machinery manufacturing, food and beverage.
Two, pressure transmitter
The pressure transmitter converts the pressure signal into a standard signal and outputs it to the controller. It is widely used in industrial automation systems and can be used to control hydraulic and pneumatic systems to maintain a constant pressure level. At present, the pressure transmitters on the market have absolute pressure transmitters, relative pressure transmitters and differential pressure transmitters.
Three, liquid level transmitter
Liquid level transmitter is an instrument used to measure the height of liquid level, which is widely used in industrial automation control, environmental protection, water conservancy and other fields. Liquid level transmitters are usually divided into positive displacement level transmitters, float level transmitters, capillary level transmitters and so on according to different measurement principles.
Four, flow transmitter
The flow transmitter is generally measured by pressure difference method, rotor method, vortex method, electromagnetic method and other principles. It is widely used in various occasions for conveying volume mass flow, such as petrochemical, water treatment, food and pharmaceutical, power and other industries.
Five, oxygen transmitter
The oxygen transmitter converts the oxygen concentration into a standard signal (such as 4 ~ 20mA) output, and then controls it through a controller. Oxygen transmitter is widely used in gas, medical, environmental protection and other industries of oxygen concentration control and monitoring.
6. Other types of transmitters
There are some other types of transmitters, such as PH transmitters, conductivity transmitters, vibration transmitters, humidity transmitters, etc., which are widely used in environmental protection, agriculture, food processing, pharmaceutical and other industries.
In short, the transmitter is an important part of industrial automation control, and different types of transmitters have their important application value in different fields. I hope you found this article helpful.


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