Which High Temperature Pressure Transmitter is Right for Your Application?

Pressure measurement is challenging enough. Add extreme temperatures to the equation and selecting the right pressure transmitter becomes critical.

Many industrial processes operate in environments where elevated temperatures are simply part of everyday operation. Whether monitoring pressures deep below the Earth’s surface, testing aerospace components or measuring process pressures in hygienic manufacturing systems, standard pressure transmitters are often unable to provide the reliability and stability required.

High temperature pressure transmitters are specifically designed to perform accurately in these demanding conditions, helping engineers maintain process efficiency, improve safety and minimise downtime.

In this article, we explore the industries that rely on high temperature pressure measurement, the challenges involved, and how ESI Technology’s range of high temperature pressure transmitters can provide the right solution for your application.

What is High Temperature Pressure Measurement?

High temperature pressure measurement refers to the accurate monitoring of pressure in applications where operating temperatures exceed the capabilities of conventional pressure sensors.

As temperatures increase, pressure transmitters can become susceptible to measurement drift, reduced accuracy and premature component failure if they are not designed to withstand extreme environments.

High temperature pressure transmitters are engineered using specialised materials and robust sensor technologies that provide long-term stability and dependable performance at elevated temperatures.

Selecting the correct pressure transmitter is essential for maintaining process integrity in demanding industrial applications.

Which Industries Require High Temperature Pressure Measurement?

High temperature pressure measurement is used across a diverse range of industries. Some of the most common applications include:

• Oil and gas exploration and production
• Downhole well monitoring
• Aerospace testing and propulsion systems
• Hydraulic systems
• Industrial process control
• Power generation
• Marine applications
• Energy production and storage
• Chemical processing
• Pharmaceutical manufacturing
• Food and beverage processing
• Research and development test facilities
• Engine and transmission testing
• Geothermal applications

In these industries, pressure transmitters are often exposed to harsh media, vibration, extreme temperatures and high operating pressures. Choosing instrumentation designed specifically for these environments is vital for ensuring accurate and reliable measurements.

What Challenges Do High Temperatures Create?

Elevated temperatures can significantly impact the performance of pressure measurement equipment.

Some of the key challenges include:

• Reduced measurement accuracy
• Sensor drift over time
• Material degradation
• Increased maintenance requirements
• Reduced product lifespan
• Process downtime and safety concerns

High temperature pressure transmitters are designed to overcome these challenges by offering excellent thermal stability, robust construction and reliable long-term performance.

For engineers working in extreme environments, selecting the correct pressure transmitter is often the difference between dependable process control and costly instrumentation failures.

What Features Should Engineers Look For?

When selecting a high temperature pressure transmitter, engineers should consider several key factors:

• Operating temperature range
• Pressure range requirements
• Media compatibility
• Environmental conditions
• Industry certifications
• Physical size and installation constraints
• Hygienic or flush diaphragm requirements
• Hazardous area approvals

Not every application has the same requirements. A compact pressure transmitter used in industrial process control will have very different demands compared with a sensor designed for permanent downhole installation.

Understanding these requirements makes selecting the right pressure measurement solution much easier.

Which High Temperature Pressure Transmitter is Right for Your Application?

ESI Technology offers a range of high temperature pressure transmitters designed to meet the demands of various industries and operating environments.

The table below provides a quick comparison of each model.

HI2200 High Temperature Pressure Transmitter

The HI2200 is a compact and versatile high temperature pressure transmitter designed for industrial applications where reliable pressure measurement is required at elevated ambient and media temperatures of up to 200°C.

Its compact form factor makes it particularly well suited to installations where space is limited whilst maintaining excellent measurement performance and long-term stability.

Typical applications include:

• Industrial process control
• Hydraulic systems
• Engine testing
• Power generation
• Research and development facilities

For engineers seeking a flexible high temperature pressure transmitter for general industrial use, the HI2200 offers an ideal balance of performance, size and reliability.

HI5000 High Temperature Pressure Transmitter

The HI5000 has been specifically developed for downhole pressure measurement applications in the oil and gas industry.

Operating deep beneath the Earth’s surface places enormous demands on pressure instrumentation. High temperatures, extreme pressures and aggressive environments require a pressure transmitter that has been designed to withstand these challenging conditions over extended periods of time.

The HI5000 delivers exceptional reliability in permanent high temperature downhole installations of up to 200°C.

Typical applications include:

• Downhole well monitoring
• Oil and gas exploration
• Reservoir pressure monitoring
• Geothermal energy systems
• High temperature borehole applications

Where durability and long-term performance are critical, the HI5000 is ideally suited to the task.

HI6000 High Temperature Pressure Transmitter

The HI6000 has been developed for applications that combine elevated temperatures of up to 135°C ( and 150°C for short periods of time) with high operating pressures.

Its rugged construction and reliable measurement capabilities make it suitable for a broad range of industrial sectors, including aerospace, marine and energy production.

Typical applications include:

• Aerospace testing
• Industrial test equipment
• High-pressure hydraulic systems
• Marine applications
• Energy production systems
• Process control applications

The HI6000 is an excellent choice for engineers working in demanding environments where both temperature and pressure extremes must be considered.

PR3860 High Temperature Pressure Transmitter

The PR3860 is designed for hygienic and high temperature pressure measurement applications of up to 250°C.

Featuring a flush diaphragm design, the PR3860 is particularly well suited to industries where cleanliness and ease of cleaning are essential. The flush diaphragm eliminates crevices where media can accumulate, making it ideal for food, beverage and pharmaceutical manufacturing processes.

For hazardous area applications, the PR3860 is also available in an intrinsically safe ATEX and IECEx certified version.

Typical applications include:

• Food and beverage processing
• Pharmaceutical manufacturing
• Chemical processing
• Hygienic process systems
• Hazardous area installations
• High temperature industrial applications

Its hygienic design and certification options make the PR3860 a versatile solution for industries with stringent process requirements.

Why Choose ESI Technology for High Temperature Pressure Measurement?

No two high temperature applications are the same. Operating conditions can vary significantly depending on the industry, process media, pressure range and environmental challenges involved.

ESI Technology’s range of high temperature pressure transmitters has been developed to provide reliable and accurate pressure measurement across some of the world’s most demanding applications. Whether you require a compact industrial transmitter, a specialist downhole solution or a hygienic pressure sensor for process industries, there is a product designed to meet your requirements.

By combining robust construction with proven sensing technologies, ESI’s high temperature pressure transmitters deliver dependable performance where standard instrumentation simply cannot.

Find the Right High Temperature Pressure Transmitter

Selecting the right pressure transmitter for elevated temperature applications is essential for ensuring process reliability, safety and long-term measurement performance.

From industrial process control and aerospace testing to downhole monitoring and hygienic manufacturing environments, ESI Technology’s high temperature pressure transmitter range provides accurate and reliable pressure measurement when operating at the extremes.

If your application demands dependable pressure measurement at elevated temperatures, ESI has a high temperature pressure transmitter designed for the job.

If you need more information of a quote for any of the products in this article, contact the sales team [email protected], +44(0)1978 262288 or find your local distributor here