We are independent & ad-supported. We may earn a commission for purchases made through our links.

Advertiser Disclosure

Our website is an independent, advertising-supported platform. We provide our content free of charge to our readers, and to keep it that way, we rely on revenue generated through advertisements and affiliate partnerships. This means that when you click on certain links on our site and make a purchase, we may earn a commission. Learn more.

How We Make Money

We sustain our operations through affiliate commissions and advertising. If you click on an affiliate link and make a purchase, we may receive a commission from the merchant at no additional cost to you. We also display advertisements on our website, which help generate revenue to support our work and keep our content free for readers. Our editorial team operates independently from our advertising and affiliate partnerships to ensure that our content remains unbiased and focused on providing you with the best information and recommendations based on thorough research and honest evaluations. To remain transparent, we’ve provided a list of our current affiliate partners here.

What Is a Pressure Transducer?

Andrew Kirmayer
By
Updated May 21, 2024
Our promise to you
All The Science is dedicated to creating trustworthy, high-quality content that always prioritizes transparency, integrity, and inclusivity above all else. Our ensure that our content creation and review process includes rigorous fact-checking, evidence-based, and continual updates to ensure accuracy and reliability.

Our Promise to you

Founded in 2002, our company has been a trusted resource for readers seeking informative and engaging content. Our dedication to quality remains unwavering—and will never change. We follow a strict editorial policy, ensuring that our content is authored by highly qualified professionals and edited by subject matter experts. This guarantees that everything we publish is objective, accurate, and trustworthy.

Over the years, we've refined our approach to cover a wide range of topics, providing readers with reliable and practical advice to enhance their knowledge and skills. That's why millions of readers turn to us each year. Join us in celebrating the joy of learning, guided by standards you can trust.

Editorial Standards

At All The Science, we are committed to creating content that you can trust. Our editorial process is designed to ensure that every piece of content we publish is accurate, reliable, and informative.

Our team of experienced writers and editors follows a strict set of guidelines to ensure the highest quality content. We conduct thorough research, fact-check all information, and rely on credible sources to back up our claims. Our content is reviewed by subject matter experts to ensure accuracy and clarity.

We believe in transparency and maintain editorial independence from our advertisers. Our team does not receive direct compensation from advertisers, allowing us to create unbiased content that prioritizes your interests.

A pressure transducer is a device that directly measures the force of fluid or gas and converts the value into an electrical signal. The unit typically includes a diaphragm that responds to pressure changes, which pushes or pulls on a component called a strain gauge. Electrical resistance is created which is generally representative of the pressure. There are generally three types of electrical output for a pressure transducer: millivolt, voltage, and 4-20 milliampere output. Sensors are often available in a variety of styles and can connect to processors, controllers, and computers by using an analog-to-digital converter.

The electrical output of a pressure transducer generally determines what environment the product is suited for. With a millivolt output pressure sensor, the output is completely dependent on the input power level, so fluctuations in electricity can affect the reading. Voltage output sensors have a higher output that is not directly impacted by the input power, and can be used in industrial facilities where electrical currents can often stray.

Another kind of pressure transducer is a 4-20 millampere sensor. Electrical noise doesn’t usually affect this type as much as the others, and it can sometimes transmit signals to more than 1,000 feet (more than 308.4 meters) away. All types of pressure transducer can be characterized by their range, or the lowest and highest pressures that can be measured accurately. They can also be identified by how far over the pressure range normal operation is possible. Resolution, or how small a pressure change can be detected relative to total capacity, is often another consideration.

A pressure transducer can be affected by temperature as well as Electromagnetic Interference (EMI). These can affect the output, while some transducers are shielded and grounded against EMI up to certain intensities. Materials used in the sensors such as stainless steel, plastic, silicon, or epoxies can be adversely affected by certain pressurized fluids.

Some pressure transducers can be mounted to a computer board and typically come with contacts for a solid connection. Others, specifically designed for industrial environments, often feature a thick, strong enclosure. General purpose devices usually have a standard design that allows them to be connected to commonly used equipment. Often more expensive than other varieties, a high-accuracy pressure transducer generally has very low errors, expressed as a percentage of total capacity. A different type of pressure sensor can eliminate the risk of thick fluids building up between the diaphragm and other components.

All The Science is dedicated to providing accurate and trustworthy information. We carefully select reputable sources and employ a rigorous fact-checking process to maintain the highest standards. To learn more about our commitment to accuracy, read our editorial process.
Andrew Kirmayer
By Andrew Kirmayer , Former Writer
Andrew Kirmayer, a freelance writer with his own online writing business, creates engaging content across various industries and disciplines. With a degree in Creative Writing, he is skilled at writing compelling articles, blogs, press releases, website content, web copy, and more, all with the goal of making the web a more informative and engaging place for all audiences.

Discussion Comments

Andrew Kirmayer

Andrew Kirmayer

Former Writer

Andrew Kirmayer, a freelance writer with his own online writing business, creates engaging content across various...
Learn more
All The Science, in your inbox

Our latest articles, guides, and more, delivered daily.

All The Science, in your inbox

Our latest articles, guides, and more, delivered daily.