Different Types of Pressure Transmitters Used in Factory Settings

Pressure transmitters are essential components in factory settings, as they play a crucial role in monitoring and controlling pressure levels in various industrial processes. These devices are used to measure the pressure of liquids, gases, and steam in pipelines, tanks, and other equipment. There are several types of pressure transmitters available on the market, each with its own unique features and capabilities. In this article, we will explore some of the different types of pressure transmitters commonly used in factory settings. One of the most common types of pressure transmitters is the piezoresistive pressure transmitter. This type of transmitter uses a diaphragm with piezoresistive elements that change resistance in response to pressure changes. The change in resistance is then converted into an electrical signal that can be transmitted to a control system for monitoring and control purposes. Piezoresistive pressure transmitters are known for their accuracy and reliability, making them ideal for a wide range of industrial applications.

Another popular type of pressure transmitter is the capacitive pressure transmitter. This type of transmitter uses a diaphragm with a capacitive element that changes capacitance in response to pressure changes. The change in capacitance is then converted into an electrical signal that can be used for pressure measurement. Capacitive pressure transmitters are known for their high accuracy and stability, making them suitable for applications where precise pressure control is required. Differential pressure transmitters are another type of pressure transmitter commonly used in factory settings. These transmitters measure the difference in pressure between two points in a system, allowing for more accurate pressure readings. Differential pressure transmitters are often used in applications where it is necessary to monitor pressure drops across filters, pumps, or valves. These transmitters are versatile and can be used in a wide range of industrial processes.

Measuring medium	Gases, vapours, liquids
Inaccuracy	±0.075%
stability	±0.1%/3 years

In addition to these types of pressure transmitters, there are also absolute pressure transmitters and gauge pressure transmitters. Absolute pressure transmitters measure pressure relative to a perfect vacuum, while gauge pressure transmitters measure pressure relative to atmospheric pressure. Both types of transmitters are used in various industrial applications, depending on the specific requirements of the process. When selecting a pressure transmitter for a factory setting, it is important to consider factors such as the type of pressure being measured, the accuracy and stability requirements, and the environmental conditions in which the transmitter will be used. It is also important to consider the communication protocol and output signal of the transmitter, as this will determine how the pressure data is transmitted to the control system. In conclusion, pressure transmitters are essential components in factory settings for monitoring and controlling pressure levels in industrial processes. There are several types of pressure transmitters available, each with its own unique features and capabilities. By understanding the different types of pressure transmitters and their applications, factory operators can select the right transmitter for their specific needs and ensure efficient and reliable operation of their processes.