What Is a Pressure Transmitter?

Pressure transmitters are common components that are used in various industries, serving a number of important roles. Before introducing you to such a versatile instrument that is in wide use across today's industries, let us first discuss the terms transducer and transmitter. Of course, many will say that both the terms are the same, and both can be used interchangeably. However, when you perform research for these two terms, you will get a wide range of results. As such, it is important to be aware of the typical definition of each.

Transducer: An electronic instrument that transforms one form of energy into another. Some common examples of the applications of a transducer include loudspeakers, pressure sensors, microphones, etc.

Transmitter: Such a device converts the electrical signal collected from transducers into a signal with much larger energy. Some common examples of the use of these transmitters include Bluetooth, Wi-Fi, and cellular applications.

Pressure Transmitters: Pressure transmitters are instruments that are connected to the pressure transducers. According to pressure-sensitive parts, these pressure transmitters are divided into metal, ceramic, diffused silicon, monocrystalline silicon, sapphire sputtered film, and other material types.

The output of a pressure transmitter is analog electrical voltage or a current sign that defines 0 to 100% of the pressure range perceived by the transducer. Pressure transmitters have become a necessary part of the industrial sector because of their great variety of applications they benefit.

These transmitters measure the pressure of various fluids and determine any spillage. Pressure transmitters are now used in other research and development activities across multiple sectors, such as automotive and aircraft sectors. These industries also use pressure transducers to measure the pressure of water, fuel, and air, including some manufactured products. The foodservice industry has emerged as the contemporary application arena, where pressure transmitters are utilised in brewing and dairy applications to estimate bottling ends. New sensors are making their way into the market as well by creating more demand. These transmitters are also used in numerous new fields and disciplines to further meet needs. The application and environmental surroundings mainly determines the type of sensor chosen for use.

Several technologies and materials like strain gauge, capacitance, and potentiometric are the sensor elements that make contact with the pressure that is being sensed. This process is usually separated from the sensing material through the measurement of the diaphragm.

Generally, pressure transducers can measure absolute, gauge, or differential pressures.

Absolute Pressure: Transmitters are employed to calculate absolute pressure for a reference of a perfect vacuum. These absolute pressure transmitters are generally employed in areas demanding high accuracy.

Gauge Pressure: As the name signifies, they measure the gauge pressure of media by taking the total pressure and removing atmospheric pressure values. These types of transmitters are widely employed in process industries as they involve the usage of liquid and gases. The necessity to keep pressure under examination makes gauge pressure transmitters an essential part of the industry. The most standard pressure measurement method is gauge pressure which is calculated as discussed above

Differential Pressure: These transmitters are generally utilised to compare various types of pressure. Their applicability opens to both levels, including flow applications. These transmitters have always been used to measure flow rates, owing to their benefits over other alternatives.

Conclusion

The above mentioned details are everything that one needs to learn about pressure transmitters. The different types of measures also ensure in-depth knowledge on the topic. If you require any pressure transmitters, head towards NSN Sourcing. NSN Sourcing is considered one of the leading distributors of such pressure transmitters, and we are well-known for high-quality products. In addition, we are always there to assist you with the usage of these pressure transmitters with other devices. Contact us today to get the most suitable pressure transmitter for your benefit.


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September 3, 2021

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